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cost</title> <meta name="description" content="Search results for: deletion cost"> <meta name="keywords" content="deletion cost"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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style="font-size:.9rem"><span class="badge badge-info">6153</span> A Deletion-Cost Based Fast Compression Algorithm for Linear Vector Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Qiuxiao%20Chen">Qiuxiao Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Yan%20Hou"> Yan Hou</a>, <a href="https://publications.waset.org/abstracts/search?q=Ning%20Wu"> Ning Wu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As there are deficiencies of the classic Douglas-Peucker Algorithm (DPA), such as high risks of deleting key nodes by mistake, high complexity, time consumption and relatively slow execution speed, a new Deletion-Cost Based Compression Algorithm (DCA) for linear vector data was proposed. For each curve — the basic element of linear vector data, all the deletion costs of its middle nodes were calculated, and the minimum deletion cost was compared with the pre-defined threshold. If the former was greater than or equal to the latter, all remaining nodes were reserved and the curve’s compression process was finished. Otherwise, the node with the minimal deletion cost was deleted, its two neighbors' deletion costs were updated, and the same loop on the compressed curve was repeated till the termination. By several comparative experiments using different types of linear vector data, the comparison between DPA and DCA was performed from the aspects of compression quality and computing efficiency. Experiment results showed that DCA outperformed DPA in compression accuracy and execution efficiency as well. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Douglas-Peucker%20algorithm" title="Douglas-Peucker algorithm">Douglas-Peucker algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20vector%20data" title=" linear vector data"> linear vector data</a>, <a href="https://publications.waset.org/abstracts/search?q=compression" title=" compression"> compression</a>, <a href="https://publications.waset.org/abstracts/search?q=deletion%20cost" title=" deletion cost"> deletion cost</a> </p> <a href="https://publications.waset.org/abstracts/8376/a-deletion-cost-based-fast-compression-algorithm-for-linear-vector-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8376.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">251</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6152</span> A Microfluidic Biosensor for Detection of EGFR 19 Deletion Mutation Targeting Non-Small Cell Lung Cancer on Rolling Circle Amplification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ji%20Su%20Kim">Ji Su Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Ram%20Choi"> Bo Ram Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Yeon%20Cho"> Ju Yeon Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyukjin%20Lee"> Hyukjin Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Epidermal growth factor receptor (EGFR) 19 deletion mutation gene is over-expressed in carcinoma patient. EGFR 19 deletion mutation is known as typical biomarker of non-small cell lung cancer (NSCLC), which one section in the coding exon 19 of EGFR is deleted. Therefore, there have been many attempts over the years to detect EGFR 19 deletion mutation for replacing conventional diagnostic method such as PCR and tissue biopsy. We developed a simple and facile detection platform based on Rolling Circle Amplification (RCA), which provides highly amplified products in isothermal amplification of the ligated DNA template. Limit of detection (~50 nM) and a faster detection time (~30 min) could be achieved by introducing RCA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=EGFR19" title="EGFR19">EGFR19</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer" title=" cancer"> cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnosis" title=" diagnosis"> diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rolling%20circle%20amplification%20%28RCA%29" title=" rolling circle amplification (RCA)"> rolling circle amplification (RCA)</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogel" title=" hydrogel"> hydrogel</a> </p> <a href="https://publications.waset.org/abstracts/72641/a-microfluidic-biosensor-for-detection-of-egfr-19-deletion-mutation-targeting-non-small-cell-lung-cancer-on-rolling-circle-amplification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72641.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6151</span> Monoallelic and Biallelic Deletions of 13q14 in a Group of 36 CLL Patients Investigated by CGH Haematological Cancer and SNP Array (8x60K)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Grygalewicz">B. Grygalewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Woroniecka"> R. Woroniecka</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Rygier"> J. Rygier</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Borkowska"> K. Borkowska</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Labak"> A. Labak</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Nowakowska"> B. Nowakowska</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Pienkowska-Grela"> B. Pienkowska-Grela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Chronic lymphocytic leukemia (CLL) is the most common form of adult leukemia in the Western world. Hemizygous and or homozygous loss at 13q14 occur in more than half of cases and constitute the most frequent chromosomal abnormality in CLL. It is believed that deletions 13q14 play a role in CLL pathogenesis. Two microRNA genes miR-15a and miR- 16-1 are targets of 13q14 deletions and plays a tumor suppressor role by targeting antiapoptotic BCL2 gene. Deletion size, as a single change detected in FISH analysis, has haprognostic significance. Patients with small deletions, without RB1 gene involvement, have the best prognosis and the longest overall survival time (OS 133 months). In patients with bigger deletion region, containing RB1 gene, prognosis drops to intermediate, like in patients with normal karyotype and without changes in FISH with overall survival 111 months. Aim: Precise delineation of 13q14 deletions regions in two groups of CLL patients, with mono- and biallelic deletions and qualifications of their prognostic significance. Methods: Detection of 13q14 deletions was performed by FISH analysis with CLL probe panel (D13S319, LAMP1, TP53, ATM, CEP-12). Accurate deletion size detection was performed by CGH Haematological Cancer and SNP array (8x60K). Results: Our investigated group of CLL patients with the 13q14 deletion, detected by FISH analysis, comprised two groups: 18 patients with monoallelic deletions and 18 patients with biallelic deletions. In FISH analysis, in the monoallelic group the range of cells with deletion, was 43% to 97%, while in biallelic group deletion was detected in 11% to 94% of cells. Microarray analysis revealed precise deletion regions. In the monoallelic group, the range of size was 348,12 Kb to 34,82 Mb, with median deletion size 7,93 Mb. In biallelic group discrepancy of total deletions, size was 135,27 Kb to 33,33 Mb, with median deletion size 2,52 Mb. The median size of smaller deletion regions on one copy chromosome 13 was 1,08 Mb while the average region of bigger deletion on the second chromosome 13 was 4,04 Mb. In the monoallelic group, in 8/18 deletion region covered RB1 gene. In the biallelic group, in 4/18 cases, revealed deletion on one copy of biallelic deletion and in 2/18 showed deletion of RB1 gene on both deleted 13q14 regions. All minimal deleted regions included miR-15a and miR-16-1 genes. Genetic results will be correlated with clinical data. Conclusions: Application of CGH microarrays technique in CLL allows accurately delineate the size of 13q14 deletion regions, what have a prognostic value. All deleted regions included miR15a and miR-16-1, what confirms the essential role of these genes in CLL pathogenesis. In our investigated groups of CLL patients with mono- and biallelic 13q14 deletions, patients with biallelic deletion presented smaller deletion sizes (2,52 Mb vs 7,93 Mb), what is connected with better prognosis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CLL" title="CLL">CLL</a>, <a href="https://publications.waset.org/abstracts/search?q=deletion%2013q14" title=" deletion 13q14"> deletion 13q14</a>, <a href="https://publications.waset.org/abstracts/search?q=CGH%20microarrays" title=" CGH microarrays"> CGH microarrays</a>, <a href="https://publications.waset.org/abstracts/search?q=SNP%20array" title=" SNP array"> SNP array</a> </p> <a href="https://publications.waset.org/abstracts/29716/monoallelic-and-biallelic-deletions-of-13q14-in-a-group-of-36-cll-patients-investigated-by-cgh-haematological-cancer-and-snp-array-8x60k" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29716.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6150</span> Association between a Serotonin Re-Uptake Transporter Gene Polymorphism and Mucosal Serotonin Level in Women Patients with Irritable Bowel Syndrome and Healthy Control: A Pilot Study from Northern India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sunil%20Kumar">Sunil Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Uday%20C.%20Ghoshal"> Uday C. Ghoshal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and aims: Serotonin (5-hydroxtryptamine, 5-HT) is an important factor in gut function, playing key roles in intestinal peristalsis and secretion, and in sensory signaling in the brain-gut axis. Removal from its sites of action is mediated by a specific protein called the serotonin reuptake transporter (SERT). Polymorphisms in the promoter region of the SERT gene have effects on transcriptional activity, resulting in altered 5-HT reuptake efficiency. Functional polymorphisms may underlie disturbance in gut function in individuals suffering with disorders such as irritable bowel syndrome (IBS). The aim of this study was to assess the potential association between SERT polymorphisms and the diarrhea predominant IBS (D-IBS) phenotype Subjects: A total of 36 northern Indian female patients and 55 female northern Indian healthy controls (HC) were subjected to genotyping. Methods: Leucocyte DNA of all subjects was analyzed by polymerase chain reaction based technologies for SERT polymorphisms, specifically the insertion/deletion polymorphism in the promoter (SERT-P). Statistical analysis was performed to assess association of SERT polymorphism allele with the D-IBS phenotype. Results: The frequency of distribution of SERT-P gene was comparable between female patients with IBS and HC (p = 0.086). However, frequency of SERT-P deletion/deletion genotype was significantly higher in female patients with D-IBS compared to C-IBS and A-IBS [17/19 (89.5%) vs. 4/12 (33.3%) vs. 1/5 (20%), p=0.001, respectively]. The mucosal level of serotonin was higher in D-IBS compared to C-IBS and A-IBS [Median, range (159.26, 98.78–212.1) vs. 110.4, 67.87–143.53 vs. 92.34, 78.8–166.3 pmol/mL, p=0.001, respectively]. The mucosal level of serotonin was higher in female patients with IBS with SERT-P deletion/deletion genotype compared deletion/insertion and insertion/insertion [157.65, 67.87–212.1 vs. 110.4, 78.1–143.32 vs. 100.5, 69.1–132.03 pmol/mL, p=0.001, respectively]. Patients with D-IBS with deletion/deletion genotype more often reported symptoms of abdominal pain, discomfort (p=0.025) and bloating (p=0.039). Symptoms development following lactose ingestion was strongly associated with D-IBS and SERT-P deletion/deletion genotype (p=0.004). Conclusions: Significant association was observed between D-IBS and the SERT-P deletion/deletion genotype, suggesting that the serotonin transporter is a potential candidate gene for D-IBS in women. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=serotonin" title="serotonin">serotonin</a>, <a href="https://publications.waset.org/abstracts/search?q=SERT" title=" SERT"> SERT</a>, <a href="https://publications.waset.org/abstracts/search?q=inflammatory%20bowel%20disease" title=" inflammatory bowel disease"> inflammatory bowel disease</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20polymorphism" title=" genetic polymorphism"> genetic polymorphism</a> </p> <a href="https://publications.waset.org/abstracts/21586/association-between-a-serotonin-re-uptake-transporter-gene-polymorphism-and-mucosal-serotonin-level-in-women-patients-with-irritable-bowel-syndrome-and-healthy-control-a-pilot-study-from-northern-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21586.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">333</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6149</span> A Deletion in Duchenne Muscular Dystrophy Gene Found Through Whole Exome Sequencing in Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Negin%20Parsamanesh">Negin Parsamanesh</a>, <a href="https://publications.waset.org/abstracts/search?q=Saman%20Ameri-Mahabadi"> Saman Ameri-Mahabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Nikfar"> Ali Nikfar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojdeh%20Mansouri"> Mojdeh Mansouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Chiti"> Hossein Chiti</a>, <a href="https://publications.waset.org/abstracts/search?q=Gita%20Fatemi%20Abhari"> Gita Fatemi Abhari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Duchenne muscular dystrophy (DMD) is a severe progressive X-linked neuromuscular illness that affects movement through mutations in dystrophin gene. The mutation leads to insufficient, lack of or dysfunction of dystrophin. The cause of DMD was determined in an Iranian family. Exome sequencing was carried out along with a complete physical examination of the family. In silico methods were applied to find the alteration in the protein structure. The homozygous variant in DMD gene (NM-004006.2) was defined as c.2732-2733delTT (p.Phe911CysfsX8) in exon 21. In addition, phylogenetic conservation study of the human dystrophin protein sequence revealed that phenylalanine 911 is one of the evolutionarily conserved amino acids. In conclusion, our study indicated a new deletion in the DMD gene in the affected family. This deletion with an X-linked inheritance pattern is new in Iran. These findings could facilitate genetic counseling for this family and other patients in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=duchenne%20muscular%20dystrophy" title="duchenne muscular dystrophy">duchenne muscular dystrophy</a>, <a href="https://publications.waset.org/abstracts/search?q=whole%20exome%20sequencing" title=" whole exome sequencing"> whole exome sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=iran" title=" iran"> iran</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolic%20syndrome" title=" metabolic syndrome"> metabolic syndrome</a> </p> <a href="https://publications.waset.org/abstracts/166749/a-deletion-in-duchenne-muscular-dystrophy-gene-found-through-whole-exome-sequencing-in-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166749.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">71</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6148</span> Glutathione S-Transferase (Gstt1) Gene Polymorphism and Lipid Profile in Type 2 Diabetes Mellitus Patients Attending Murtala Muhammad Specialist Hospital Kano, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rasheed%20F.%20G.">Rasheed F. G.</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassan%20H.%20A."> Hassan H. A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Shehu%20F.%20A."> Shehu F. A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukhtar%20M.%20M."> Mukhtar M. M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Y.%20Y."> Muhammad Y. Y.</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20S.%20S."> Ibrahim S. S.</a>, <a href="https://publications.waset.org/abstracts/search?q=Shehu%20D."> Shehu D.</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulsalam%20K."> Abdulsalam K.</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Abdullahi"> N. Abdullahi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A cross sectional randomized, descriptive cross sectional study was conducted on the frequency of GSTT1 null alleles in patients diagnosed with type-2-diabetes mellitus (T2DM). A total of 40 patients with T2DM and 10 non-diabetic controls were included in the study. GSTT1 null-alleles genotyping was carried out using multiplex PCR amplification to amplify GSTT1 gene (460bp) while using β-globulin (250bp) as an internal control. The results showed that 55% of T2DM patients had BMI within reference limits, 13% are overweight. Additionally, patients with T2DM were found to have significantly higher (p<0.05) serum levels of glucose, total cholesterol, triglyceride and low density lipoprotein. Furthermore, the presence of null genotype of GSTT1 (deletion in GSTT1) was observed in 28% of diabetic patients. Subjects with GSTT1 deletion have significantly higher (p<0.05) levels of serum glucose, low-density lipoprotein and total cholesterol when compared with individuals without deletion (diabetic and non-diabetic). This results suggests that the deletion of GSTT1 gene might serve as a predisposing factor in the development of T2DM and dyslipideamia <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetes" title="diabetes">diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=glutathione-S-transferase" title=" glutathione-S-transferase"> glutathione-S-transferase</a>, <a href="https://publications.waset.org/abstracts/search?q=lipid%20profile" title=" lipid profile"> lipid profile</a>, <a href="https://publications.waset.org/abstracts/search?q=PCR" title=" PCR"> PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=polymorphism." title=" polymorphism."> polymorphism.</a> </p> <a href="https://publications.waset.org/abstracts/161555/glutathione-s-transferase-gstt1-gene-polymorphism-and-lipid-profile-in-type-2-diabetes-mellitus-patients-attending-murtala-muhammad-specialist-hospital-kano-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161555.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">97</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6147</span> Characterization of Enterotoxigenic Escherichia coli CS6 Promoter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mondal%20Indranil">Mondal Indranil</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhakat%20Debjyoti"> Bhakat Debjyoti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukhopadayay%20Asish%20K."> Mukhopadayay Asish K.</a>, <a href="https://publications.waset.org/abstracts/search?q=Chatterjee%20Nabendu%20S."> Chatterjee Nabendu S.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> CS6 is the prevalent CF in our region and deciphering its molecular regulators would play a pivotal role in reducing the burden of ETEC pathogenesis. In prokaryotes, most of the genes are under the control of one operon and the promoter present upstream of the gene regulates the transcription of that gene. Here the promoter of CS6 was characterized by computational method and further analyzed by β-galactosidase assay and sequencing. Promoter constructs and deletions were prepared as required to analyze promoter activity. The effect of different additives on the CS6 promoter was analysed by the β-galactosidase assay. Bioinformatics analysis done by Softberry/BPROM predicted fur, lrp, and crp boxes, -10 and -35 region upstream of the CS6 gene. The promoter construction in no promoter plasmid pTL61T showed that region -573 to +1 is actually the promoter region as predicted. Sequential deletion of the region upstream of CS6 revealed that promoter activity remains the same when -573bp to -350bp is deleted. But after the deletion of the upstream region -350 bp to -255bp, promoter expression decreases drastically to 26%. Further deletion also decreases promoter activity up to a little range. So the region -355bp to -255bp holds the promoter sequence for the CS6 gene. Additives like iron, NaCl, etc., modulate promoter activity in a dose-dependent manner. From the promoter analysis, it can be said that the minimum region lies between -254 and +1. Important region(s) lies between -350 bp to -255 bp upstream in the promoter, which might have important elements needed to control CS6 gene expression. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microbiology" title="microbiology">microbiology</a>, <a href="https://publications.waset.org/abstracts/search?q=promoter" title=" promoter"> promoter</a>, <a href="https://publications.waset.org/abstracts/search?q=colonization%20factor" title=" colonization factor"> colonization factor</a>, <a href="https://publications.waset.org/abstracts/search?q=ETEC" title=" ETEC"> ETEC</a> </p> <a href="https://publications.waset.org/abstracts/143103/characterization-of-enterotoxigenic-escherichia-coli-cs6-promoter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143103.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">162</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6146</span> Angiotensin Converting Enzyme Gene Polymorphism Studies: A Case-Control Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salina%20Y.%20Saddick">Salina Y. Saddick</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mild gestational hyperglycemia (MGH) is a very common complication of pregnancy that is characterized by intolerance to glucose. The association of angiotensin-converting enzyme (ACE) insertion/deletion (I/D) polymorphism to MGH has been previously reported. In this study, we evaluated the association between ACE polymorphism and the risk of MGH in a Saudi population. We conducted a case-control study in a population of 100 MGH patients and 100 control subjects. ACE gene polymorphism was analyzed by the novel approach of tetraprimer amplification refractory mutation system (ARMS)-polymerase chain reaction (PCR). The frequency of ACE polymorphism was not associated with either alleles or genotypes in MGH patients. Glucose concentration was found to be significantly associated with the MGH group. Our study suggests that ACE genotypes were not associated with ACE polymorphism in a Saudi population. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MGH" title="MGH">MGH</a>, <a href="https://publications.waset.org/abstracts/search?q=ACE" title=" ACE"> ACE</a>, <a href="https://publications.waset.org/abstracts/search?q=insertion%20polymorphism" title=" insertion polymorphism"> insertion polymorphism</a>, <a href="https://publications.waset.org/abstracts/search?q=deletion%20polymorphism" title=" deletion polymorphism"> deletion polymorphism</a> </p> <a href="https://publications.waset.org/abstracts/38316/angiotensin-converting-enzyme-gene-polymorphism-studies-a-case-control-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38316.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">319</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6145</span> Reliability-Based Life-Cycle Cost Model for Engineering Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Lotfalian">Reza Lotfalian</a>, <a href="https://publications.waset.org/abstracts/search?q=Sudarshan%20Martins"> Sudarshan Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Radziszewski"> Peter Radziszewski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of reliability on life-cycle cost, including initial and maintenance cost of a system is studied. The failure probability of a component is used to calculate the average maintenance cost during the operation cycle of the component. The standard deviation of the life-cycle cost is also calculated as an error measure for the average life-cycle cost. As a numerical example, the model is used to study the average life cycle cost of an electric motor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=initial%20cost" title="initial cost">initial cost</a>, <a href="https://publications.waset.org/abstracts/search?q=life-cycle%20cost" title=" life-cycle cost"> life-cycle cost</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance%20cost" title=" maintenance cost"> maintenance cost</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a> </p> <a href="https://publications.waset.org/abstracts/11947/reliability-based-life-cycle-cost-model-for-engineering-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11947.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">605</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6144</span> Recursion, Merge and Event Sequence: A Bio-Mathematical Perspective </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noury%20Bakrim">Noury Bakrim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Formalization is indeed a foundational Mathematical Linguistics as demonstrated by the pioneering works. While dialoguing with this frame, we nonetheless propone, in our approach of language as a real object, a mathematical linguistics/biosemiotics defined as a dialectical synthesis between induction and computational deduction. Therefore, relying on the parametric interaction of cycles, rules, and features giving way to a sub-hypothetic biological point of view, we first hypothesize a factorial equation as an explanatory principle within Category Mathematics of the Ergobrain: our computation proposal of Universal Grammar rules per cycle or a scalar determination (multiplying right/left columns of the determinant matrix and right/left columns of the logarithmic matrix) of the transformable matrix for rule addition/deletion and cycles within representational mapping/cycle heredity basing on the factorial example, being the logarithmic exponent or power of rule deletion/addition. It enables us to propone an extension of minimalist merge/label notions to a Language Merge (as a computing principle) within cycle recursion relying on combinatorial mapping of rules hierarchies on external Entax of the Event Sequence. Therefore, to define combinatorial maps as language merge of features and combinatorial hierarchical restrictions (governing, commanding, and other rules), we secondly hypothesize from our results feature/hierarchy exponentiation on graph representation deriving from Gromov's Symbolic Dynamics where combinatorial vertices from Fe are set to combinatorial vertices of Hie and edges from Fe to Hie such as for all combinatorial group, there are restriction maps representing different derivational levels that are subgraphs: the intersection on I defines pullbacks and deletion rules (under restriction maps) then under disjunction edges H such that for the combinatorial map P belonging to Hie exponentiation by intersection there are pullbacks and projections that are equal to restriction maps RM₁ and RM₂. The model will draw on experimental biomathematics as well as structural frames with focus on Amazigh and English (cases from phonology/micro-semantics, Syntax) shift from Structure to event (especially Amazigh formant principle resolving its morphological heterogeneity). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rule%2Fcycle%20addition%2Fdeletion" title="rule/cycle addition/deletion">rule/cycle addition/deletion</a>, <a href="https://publications.waset.org/abstracts/search?q=bio-mathematical%20methodology" title=" bio-mathematical methodology"> bio-mathematical methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=general%20merge%20calculation" title=" general merge calculation"> general merge calculation</a>, <a href="https://publications.waset.org/abstracts/search?q=feature%20exponentiation" title=" feature exponentiation"> feature exponentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=combinatorial%20maps" title=" combinatorial maps"> combinatorial maps</a>, <a href="https://publications.waset.org/abstracts/search?q=event%20sequence" title=" event sequence"> event sequence</a> </p> <a href="https://publications.waset.org/abstracts/131433/recursion-merge-and-event-sequence-a-bio-mathematical-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131433.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">127</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6143</span> Effect of Cost Control and Cost Reduction Techniques in Organizational Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Babatunde%20Akeem%20Lawal">Babatunde Akeem Lawal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In any organization, the primary aim is to maximize profit, but the major challenges facing them is the increase in cost of operation because of this there is increase in cost of production that could lead to inevitable cost control and cost reduction scheme which make it difficult for most organizations to operate at the cost efficient frontier. The study aims to critically examine and evaluate the application of cost control and cost reduction in organization performance and also to review budget as an effective tool of cost control and cost reduction. A descriptive survey research was adopted. A total number of 40 respondent retrieved were used for the study. The analysis of data collected was undertaken by applying appropriate statistical tools. Regression analysis was used to test the hypothesis with the use of SPSS. Based on the findings; it was evident that cost control has a positive impact on organizational performance and also the style of management has a positive impact on organizational performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=organization" title="organization">organization</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20reduction" title=" cost reduction"> cost reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20control" title=" cost control"> cost control</a>, <a href="https://publications.waset.org/abstracts/search?q=performance" title=" performance"> performance</a>, <a href="https://publications.waset.org/abstracts/search?q=budget" title=" budget"> budget</a>, <a href="https://publications.waset.org/abstracts/search?q=profit" title=" profit"> profit</a> </p> <a href="https://publications.waset.org/abstracts/62265/effect-of-cost-control-and-cost-reduction-techniques-in-organizational-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62265.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">603</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6142</span> Scheduled Maintenance and Downtime Cost in Aircraft Maintenance Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Remzi%20Saltoglu">Remzi Saltoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Nazmia%20Humaira"> Nazmia Humaira</a>, <a href="https://publications.waset.org/abstracts/search?q=Gokhan%20Inalhan"> Gokhan Inalhan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During aircraft maintenance scheduling, operator calculates the budget of the maintenance. Usually, this calculation includes only the costs that are directly related to the maintenance process such as cost of labor, material, and equipment. In some cases, overhead cost is also included. However, in some of those, downtime cost is neglected claiming that grounding is a natural fact of maintenance; therefore, it is not considered as part of the analytical decision-making process. Based on the normalized data, we introduce downtime cost with its monetary value and add its seasonal character. We envision that the rest of the model, which works together with the downtime cost, could be checked with the real life cases, through the review of MRO cost and airline spending in the particular and scheduled maintenance events. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aircraft%20maintenance" title="aircraft maintenance">aircraft maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=downtime" title=" downtime"> downtime</a>, <a href="https://publications.waset.org/abstracts/search?q=downtime%20cost" title=" downtime cost"> downtime cost</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance%20cost" title=" maintenance cost"> maintenance cost</a> </p> <a href="https://publications.waset.org/abstracts/47046/scheduled-maintenance-and-downtime-cost-in-aircraft-maintenance-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47046.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">353</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6141</span> Correlation between Resistance to Non-Specific Inhibitor and Mammalian Pathogenicity of an Egg Adapted H9N2 Virus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chung-Young%20Lee">Chung-Young Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Se-Hee%20Ahn"> Se-Hee Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Jun-Gu%20Choi"> Jun-Gu Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Youn-Jeong%20Lee"> Youn-Jeong Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyuk-Joon%20Kwon"> Hyuk-Joon Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Hong%20Kim"> Jae-Hong Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A/chicken/Korea/01310/2001 (H9N2) (01310) was passaged through embryonated chicken eggs (ECEs) by 20 times (01310-E20), and it has been used for an inactivated oil emulsion vaccine in Korea. After sequential passages, 01310-E20 showed higher pathogenicity in ECEs and acquired multiple mutations including a potential N-glycosylation at position 133 (H3 numbering) in HA and 18aa-deletion in NA stalk. To evaluate the effect of these mutations on the mammalian pathogenicity and resistance to non-specific inhibitors, we generated four PR8-derived recombinant viruses with different combinations of HA and NA from 01310-E2 and 01310-E20 (rH2N2, rH2N20, rH20N2, and rH20N20). According to our results, recombinant viruses containing 01310 E20 HA showed higher growth property in MDCK cells and higher virulence on mice than those containing 01310 E2 HA regardless of NA. The hemagglutination activity of rH20N20 was less inhibited by egg white and mouse lung extract than that of other recombinant viruses. Thus, the increased pathogenicity of 01310-E20 may be related to both higher replication efficiency and resistance to non-specific inhibitors in mice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=avian%20influenza%20virus" title="avian influenza virus">avian influenza virus</a>, <a href="https://publications.waset.org/abstracts/search?q=egg%20adaptation" title=" egg adaptation"> egg adaptation</a>, <a href="https://publications.waset.org/abstracts/search?q=H9N2" title=" H9N2"> H9N2</a>, <a href="https://publications.waset.org/abstracts/search?q=N-glycosylation" title=" N-glycosylation"> N-glycosylation</a>, <a href="https://publications.waset.org/abstracts/search?q=stalk%20deletion%20of%20neuraminidase" title=" stalk deletion of neuraminidase"> stalk deletion of neuraminidase</a> </p> <a href="https://publications.waset.org/abstracts/74841/correlation-between-resistance-to-non-specific-inhibitor-and-mammalian-pathogenicity-of-an-egg-adapted-h9n2-virus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74841.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">287</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6140</span> A Review of the Factors Causing Cost Overrun in Construction Projects in Malaysia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kaleem%20Ullah">Kaleem Ullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Abd%20Halid%20Bin%20Abdullah"> Abd Halid Bin Abdullah </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines previous literature on cost overrun in construction projects with the specific aim of determining the frequently observed causes of cost overruns in Malaysian construction projects. Cost overrun is one of the major problems in construction projects. Cost overrun is frequently observed in almost every construction projects. This cost overrun in construction projects occurs due to various reasons and many researchers have carried out various studies to identify the cause factors of this issue. The causes of construction cost overrun could vary from country to country because of the difference in political, economic, social and environmental conditions. Likewise, other countries construction projects in Malaysia have also the issue of cost overrun. The concept of cost overrun in construction projects has attracted much attention in recent years and researches are trying to understand the causes of these overruns and their effects to the construction industry as whole. This paper review various research studies carried out in Malaysia which surveyed the cost performance and cause factors of cost overruns in construction projects in Malaysia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cause%20of%20cost%20overrun" title="cause of cost overrun">cause of cost overrun</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20overrun" title=" cost overrun"> cost overrun</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20industry%20in%20Malaysia" title=" construction industry in Malaysia"> construction industry in Malaysia</a>, <a href="https://publications.waset.org/abstracts/search?q=effects%20of%20cost%20overrun" title=" effects of cost overrun"> effects of cost overrun</a> </p> <a href="https://publications.waset.org/abstracts/44973/a-review-of-the-factors-causing-cost-overrun-in-construction-projects-in-malaysia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44973.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">282</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6139</span> Construction Time - Cost Trade-Off Analysis Using Fuzzy Set Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20S.%20S.%20Kumar">V. S. S. Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Vikram"> B. Vikram</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20C.%20S.%20Reddy"> G. C. S. Reddy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Time and cost are the two critical objectives of construction project management and are not independent but intricately related. Trade-off between project duration and cost are extensively discussed during project scheduling because of practical relevance. Generally when the project duration is compressed, the project calls for an increase in labor and more productive equipments, which increases the cost. Thus, the construction time-cost optimization is defined as a process to identify suitable construction activities for speeding up to attain the best possible savings in both time and cost. As there is hidden tradeoff relationship between project time and cost, it might be difficult to predict whether the total cost would increase or decrease as a result of compressing the schedule. Different combinations of duration and cost for the activities associated with the project determine the best set in the time-cost optimization. Therefore, the contractors need to select the best combination of time and cost to perform each activity, all of which will ultimately determine the project duration and cost. In this paper, the fuzzy set theory is used to model the uncertainties in the project environment for time-cost trade off analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20sets" title="fuzzy sets">fuzzy sets</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty" title=" uncertainty"> uncertainty</a>, <a href="https://publications.waset.org/abstracts/search?q=qualitative%20factors" title=" qualitative factors"> qualitative factors</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title=" decision making"> decision making</a> </p> <a href="https://publications.waset.org/abstracts/14733/construction-time-cost-trade-off-analysis-using-fuzzy-set-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14733.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">652</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6138</span> A Prediction of Electrical Cost for High-Rise Building Construction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Picha%20Sriprachan">Picha Sriprachan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The increase in electricity prices affects the cost of high-rise building construction. The objectives of this research are to study the electrical cost, trend of electrical cost and to forecast electrical cost of high-rise building construction. The methods of this research are: 1) to study electrical payment formats, cost data collection methods, and the factors affecting electrical cost of high-rise building construction, 2) to study the quantity and trend of cumulative percentage of the electrical cost, and 3) to forecast the electrical cost for different types of high-rise buildings. The results of this research show that the average proportion between electrical cost and the value of the construction project is 0.87 percent. The proportion of electrical cost for residential, office and commercial, and hotel buildings are closely proportional. If construction project value increases, the proportion of electrical cost and the value of the construction project will decrease. However, there is a relationship between the amount of electrical cost and the value of the construction project. During the structural construction phase, the amount of electrical cost will increase and during structural and architectural construction phase, electrical cost will be maximum. The cumulative percentage of the electrical cost is related to the cumulative percentage of the high-rise building construction cost in the same direction. The amount of service space of the building, number of floors and the duration of the construction affect the electrical cost of construction. The electrical cost of construction forecasted by using linear regression equation is close to the electrical cost forecasted by using the proportion of electrical cost and value of the project. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high-rise%20building%20construction" title="high-rise building construction">high-rise building construction</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20cost" title=" electrical cost"> electrical cost</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20phase" title=" construction phase"> construction phase</a>, <a href="https://publications.waset.org/abstracts/search?q=architectural%20phase" title=" architectural phase"> architectural phase</a> </p> <a href="https://publications.waset.org/abstracts/9483/a-prediction-of-electrical-cost-for-high-rise-building-construction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9483.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">390</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6137</span> Cost Overrun Causes in Public Construction Projects in Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Mahamid">Ibrahim Mahamid</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Al-Ghonamy"> A. Al-Ghonamy</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Aichouni"> M. Aichouni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is conducted to identify causes of cost deviations in public construction projects in Saudi Arabia from contractors’ perspective. 41 factors that might affect cost estimating accuracy were identified through literature review and discussion with some construction experts. The factors were tabulated in a questionnaire form and a field survey included 51 contractors from the Northern Province of Saudi Arabia was performed. The results show that the top five important causes are: wrong estimation method, long period between design and time of implementation, cost of labor, cost of machinary and absence of construction-cost data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20deviation" title="cost deviation">cost deviation</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20construction" title=" public construction"> public construction</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20estimating" title=" cost estimating"> cost estimating</a>, <a href="https://publications.waset.org/abstracts/search?q=Saudi%20Arabia" title=" Saudi Arabia"> Saudi Arabia</a>, <a href="https://publications.waset.org/abstracts/search?q=contractors" title=" contractors"> contractors</a> </p> <a href="https://publications.waset.org/abstracts/22361/cost-overrun-causes-in-public-construction-projects-in-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22361.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">475</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6136</span> Chaotic Dynamics of Cost Overruns in Oil and Gas Megaprojects: A Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20J.%20Olaniran">O. J. Olaniran</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20E.%20D.%20Love"> P. E. D. Love</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20J.%20Edwards"> D. J. Edwards</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Olatunji"> O. Olatunji</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Matthews"> J. Matthews</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost overruns are a persistent problem in oil and gas megaprojects. Whilst the extant literature is filled with studies on incidents and causes of cost overruns, underlying theories to explain their emergence in oil and gas megaprojects are few. Yet, a way to contain the syndrome of cost overruns is to understand the bases of ‘how and why’ they occur. Such knowledge will also help to develop pragmatic techniques for better overall management of oil and gas megaprojects. The aim of this paper is to explain the development of cost overruns in hydrocarbon megaprojects through the perspective of chaos theory. The underlying principles of chaos theory and its implications for cost overruns are examined and practical recommendations proposed. In addition, directions for future research in this fertile area provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaos%20theory" title="chaos theory">chaos theory</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20and%20gas" title=" oil and gas"> oil and gas</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20overruns" title=" cost overruns"> cost overruns</a>, <a href="https://publications.waset.org/abstracts/search?q=megaprojects" title=" megaprojects "> megaprojects </a> </p> <a href="https://publications.waset.org/abstracts/25395/chaotic-dynamics-of-cost-overruns-in-oil-and-gas-megaprojects-a-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25395.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">559</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6135</span> Identification of Factors Influencing Costs in Green Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nazirah%20Zainul%20Abidin">Nazirah Zainul Abidin</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurul%20Zahirah%20Mokhtar%20Azizi"> Nurul Zahirah Mokhtar Azizi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost has always been the leading concern in green building development. The perception that construction cost for green building is higher than conventional buildings has only made the discussion of green building cost more difficult. Understanding the factors that will influence the cost of green construction is expected to shed light into what makes green construction more or at par with conventional projects, or perhaps, where cost can be optimised. This paper identifies the elements of cost before shifting the attention to the influencing factors. Findings from past studies uncovered various factors related to cost which are grouped into five focal themes i.e. awareness, knowledge, financial, technical, and government support. A conceptual framework is produced in a form of a flower diagram indicating the cost influencing factors of green building development. These factors were found to be both physical and non-physical aspects of a project. The framework provides ground for the next stage of research that is to further explore how these factors influence the project cost and decision making. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20project" title="green project">green project</a>, <a href="https://publications.waset.org/abstracts/search?q=factors%20influencing%20cost" title=" factors influencing cost"> factors influencing cost</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20cost" title=" hard cost"> hard cost</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20cost" title=" soft cost"> soft cost</a> </p> <a href="https://publications.waset.org/abstracts/49827/identification-of-factors-influencing-costs-in-green-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49827.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6134</span> Generativism in Language Design and Their Effects on String of Constructions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christian%20Uchechukwu%20Gilbert">Christian Uchechukwu Gilbert</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Generativism in language design investigates the framework on which varying sentence structures are built in the English language. Propounded by Noam Chomsky in 1965, the theory transforms sentences from an active structure to a passive one by the application of established rules of the theory. Resident in the body of syntax, the rules include movement, insertion, substitution, and deletion rules. Using the movement rule, the analysis is armed with the qualitative research method, on which the works of scholars were duly consulted for more insight and in line with the academic practice in research activities. The investigation showed that the rules of competent grammar explain the formulation of sentences in a language and how transformation takes place among sentences from a deep structure to a surface structure with accurate results. The structural differences that could be got through dative movement and the deletion of the preposition; passivisation got from an active sentence by the insertion of the preposition “by” a “be verb” and the aspect tense marker “–en”, held as the creative aspect of language vocabulary and the subject-auxiliary inversion that exchanges the auxiliary of a sentence with the subject of the same sentence thereby transforming a kennel sentence to a polar question, viewed as an external argument under θ-theory. Generativism in language design, therefore, changes available types of sentences and relates one form of linguistic category with others in language design. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=language" title="language">language</a>, <a href="https://publications.waset.org/abstracts/search?q=generate" title=" generate"> generate</a>, <a href="https://publications.waset.org/abstracts/search?q=transformation" title=" transformation"> transformation</a>, <a href="https://publications.waset.org/abstracts/search?q=structure" title=" structure"> structure</a>, <a href="https://publications.waset.org/abstracts/search?q=design" title=" design"> design</a> </p> <a href="https://publications.waset.org/abstracts/180413/generativism-in-language-design-and-their-effects-on-string-of-constructions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/180413.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">68</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6133</span> Maintenance Alternatives Related to Costs of Wind Turbines Using Finite State Markov Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boukelkoul%20Lahcen">Boukelkoul Lahcen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The cumulative costs for O&M may represent as much as 65%-90% of the turbine's investment cost. Nowadays the cost effectiveness concept becomes a decision-making and technology evaluation metric. The cost of energy metric accounts for the effect replacement cost and unscheduled maintenance cost parameters. One key of the proposed approach is the idea of maintaining the WTs which can be captured via use of a finite state Markov chain. Such a model can be embedded within a probabilistic operation and maintenance simulation reflecting the action to be done. In this paper, an approach of estimating the cost of O&M is presented. The finite state Markov model is used for decision problems with number of determined periods (life cycle) to predict the cost according to various options of maintenance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost" title="cost">cost</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20state" title=" finite state"> finite state</a>, <a href="https://publications.waset.org/abstracts/search?q=Markov%20model" title=" Markov model"> Markov model</a>, <a href="https://publications.waset.org/abstracts/search?q=operation%20and%20maintenance" title=" operation and maintenance"> operation and maintenance</a> </p> <a href="https://publications.waset.org/abstracts/35860/maintenance-alternatives-related-to-costs-of-wind-turbines-using-finite-state-markov-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35860.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">533</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6132</span> Genome-Wide Functional Analysis of Phosphatase in Cryptococcus neoformans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jae-Hyung%20Jin">Jae-Hyung Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyung-Tae%20Lee"> Kyung-Tae Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yee-Seul%20So"> Yee-Seul So</a>, <a href="https://publications.waset.org/abstracts/search?q=Eunji%20Jeong"> Eunji Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Yeonseon%20Lee"> Yeonseon Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongpil%20Lee"> Dongpil Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Gi%20Lee"> Dong-Gi Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong-Sun%20Bahn"> Yong-Sun Bahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cryptococcus neoformans causes cryptococcal meningoencephalitis mainly in immunocompromised patients as well as immunocompetent people. But therapeutic options are limited to treat cryptococcosis. Some signaling pathways including cyclic AMP pathway, MAPK pathway, and calcineurin pathway play a central role in the regulation of the growth, differentiation, and virulence of C. neoformans. To understand signaling networks regulating the virulence of C. neoformans, we selected the 114 putative phosphatase genes, one of the major components of signaling networks, in the genome of C. neoformans. We identified putative phosphatases based on annotation in C. neoformans var. grubii genome database provided by the Broad Institute and National Center for Biotechnology Information (NCBI) and performed a BLAST search of phosphatases of Saccharomyces cerevisiae, Aspergillus nidulans, Candida albicans and Fusarium graminearum to Cryptococcus neoformans. We classified putative phosphatases into 14 groups based on InterPro phosphatase domain annotation. Here, we constructed 170 signature-tagged gene-deletion strains through homologous recombination methods for 91 putative phosphatases. We examined their phenotypic traits under 30 different in vitro conditions, including growth, differentiation, stress response, antifungal resistance and virulence-factor production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20fungal%20pathogen" title="human fungal pathogen">human fungal pathogen</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphatase" title=" phosphatase"> phosphatase</a>, <a href="https://publications.waset.org/abstracts/search?q=deletion%20library" title=" deletion library"> deletion library</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20genomics" title=" functional genomics"> functional genomics</a> </p> <a href="https://publications.waset.org/abstracts/63313/genome-wide-functional-analysis-of-phosphatase-in-cryptococcus-neoformans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63313.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">364</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6131</span> Cognitive Deficits and Association with Autism Spectrum Disorder and Attention Deficit Hyperactivity Disorder in 22q11.2 Deletion Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sinead%20Morrison">Sinead Morrison</a>, <a href="https://publications.waset.org/abstracts/search?q=Ann%20Swillen"> Ann Swillen</a>, <a href="https://publications.waset.org/abstracts/search?q=Therese%20Van%20Amelsvoort"> Therese Van Amelsvoort</a>, <a href="https://publications.waset.org/abstracts/search?q=Samuel%20Chawner"> Samuel Chawner</a>, <a href="https://publications.waset.org/abstracts/search?q=Elfi%20Vergaelen"> Elfi Vergaelen</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Owen"> Michael Owen</a>, <a href="https://publications.waset.org/abstracts/search?q=Marianne%20Van%20Den%20Bree"> Marianne Van Den Bree</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 22q11.2 Deletion Syndrome (22q11.2DS) is caused by the deletion of approximately 60 genes on chromosome 22 and is associated with high rates of neurodevelopmental disorders such as Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorders (ASD). The presentation of these disorders in 22q11.2DS is reported to be comparable to idiopathic forms and therefore presents a valuable model for understanding mechanisms of neurodevelopmental disorders. Cognitive deficits are thought to be a core feature of neurodevelopmental disorders, and possibly manifest in behavioural and emotional problems. There have been mixed findings in 22q11.2DS on whether the presence of ADHD or ASD is associated with greater cognitive deficits. Furthermore, the influence of developmental stage has never been taken into account. The aim was therefore to examine whether the presence of ADHD or ASD was associated with cognitive deficits in childhood and/or adolescence in 22q11.2DS. We conducted the largest study to date of this kind in 22q11.2DS. The same battery of tasks measuring processing speed, attention and spatial working memory were completed by 135 participants with 22q11.2DS. Wechsler IQ tests were completed, yielding Full Scale (FSIQ), Verbal (VIQ) and Performance IQ (PIQ). Age-standardised difference scores were produced for each participant. Developmental stages were defined as children (6-10 years) and adolescents (10-18 years). ADHD diagnosis was ascertained from a semi-structured interview with a parent. ASD status was ascertained from a questionnaire completed by a parent. Interaction and main effects of cognitive performance of those with or without a diagnosis of ADHD or ASD in childhood or adolescence were conducted with 2x2 ANOVA. Significant interactions were followed up with t-tests of simple effects. Adolescents with ASD displayed greater deficits in all measures (processing speed, p = 0.022; sustained attention, p = 0.016; working memory, p = 0.006) than adolescents without ASD; there was no difference between children with and without ASD. There were no significant differences on IQ measures. Both children and adolescents with ADHD displayed greater deficits on sustained attention (p = 0.002) than those without ADHD. There were no significant differences on any other measures for ADHD. Magnitude of cognitive deficit in individuals with 22q11.2DS varied by cognitive domain, developmental stage and presence of neurodevelopmental disorder. Adolescents with 22q11.2DS and ASD showed greater deficits on all measures, which suggests there may be a sensitive period in childhood to acquire these domains, or reflect increasing social and academic demands in adolescence. The finding of poorer sustained attention in children and adolescents with ADHD supports previous research and suggests a specific deficit which can be separated from processing speed and working memory. This research provides unique insights into the association of ASD and ADHD with cognitive deficits in a group at high genomic risk of neurodevelopmental disorders. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=22q11.2%20deletion%20syndrome" title="22q11.2 deletion syndrome">22q11.2 deletion syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=attention%20deficit%20hyperactivity%20disorder" title=" attention deficit hyperactivity disorder"> attention deficit hyperactivity disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=autism%20spectrum%20disorder" title=" autism spectrum disorder"> autism spectrum disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20development" title=" cognitive development"> cognitive development</a> </p> <a href="https://publications.waset.org/abstracts/88092/cognitive-deficits-and-association-with-autism-spectrum-disorder-and-attention-deficit-hyperactivity-disorder-in-22q112-deletion-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88092.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6130</span> The Role of Glutamine-Rich Region of Candida Albicans Tec1p in Mediating Morphological Transition and Invasive Growth</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=W.%20Abu%20Rayyan">W. Abu Rayyan</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Singh"> A. Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Al-Jaafreh"> A. M. Al-Jaafreh</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Abu%20Dayyih"> W. Abu Dayyih</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bustami"> M. Bustami</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Salem"> S. Salem</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Seder"> N. Seder</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Schr%C3%B6ppel"> K. Schröppel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hyphal growth and the transcriptional regulation to the host environment are key issues during the pathogenesis of C. albicans. Tec1p is the C. albicans homolog of a TEA transcription factor family, which share a conserved DNA-binding TEA domain in their N-terminal. In order to define a structure-function relationship of the C. albicans Tec1p protein, we constructed several mutations on the N terminal, C terminal or in the TEA binding domain itself by homologous recombination technology. The modifications in the open reading frame of TEC1 were tested for reconstitution of the morphogenetic development of the tec1/tec1 mutant strain CaAS12. Mutation in the TEA consensus sequence did not confer transition to hyphae whereas the reconstitution of the full-length Tec1p has reconstituted hyphal development. A deletion in one of glutamine-rich regions either in the Tec1p N-terminal or the C-terminal in regions of 53-212 or 637–744 aa, respectively, did not restore morphological development in mutant CaAS12 strain. Whereas, the reconstitution with Tec1p mutants other than the glutamate-rich region has restored the morphogenetic switch. Additionally, the deletion of the glutamine-rich region has attenuated the invasive growth and the heat shock resistance of C. albicans. In conclusion, we show that a glutamine-rich region of Tec1p is essential for the hyphal development and mediating adaptation to the host environment of C. albicans. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Candida%20albicans" title="Candida albicans">Candida albicans</a>, <a href="https://publications.waset.org/abstracts/search?q=morphogenetic%20development" title=" morphogenetic development"> morphogenetic development</a>, <a href="https://publications.waset.org/abstracts/search?q=TEA%20domain" title=" TEA domain"> TEA domain</a>, <a href="https://publications.waset.org/abstracts/search?q=hyphal%20formation" title=" hyphal formation"> hyphal formation</a>, <a href="https://publications.waset.org/abstracts/search?q=TEC1" title=" TEC1"> TEC1</a> </p> <a href="https://publications.waset.org/abstracts/100003/the-role-of-glutamine-rich-region-of-candida-albicans-tec1p-in-mediating-morphological-transition-and-invasive-growth" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100003.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6129</span> Optimal Replacement Period for a One-Unit System with Double Repair Cost Limits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Min-Tsai%20Lai">Min-Tsai Lai</a>, <a href="https://publications.waset.org/abstracts/search?q=Taqwa%20Hariguna"> Taqwa Hariguna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a periodical replacement model for a system, considering the concept of single and cumulative repair cost limits simultaneously. The failures are divided into two types. Minor failure can be corrected by minimal repair and serious failure makes the system breakdown completely. When a minor failure occurs, if the repair cost is less than a single repair cost limit L1 and the accumulated repair cost is less than a cumulative repair cost limit L2, then minimal repair is executed, otherwise, the system is preventively replaced. The system is also replaced at time T or at serious failure. The optimal period T minimizing the long-run expected cost per unit time is verified to be finite and unique under some specific conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=repair-cost%20limit" title="repair-cost limit">repair-cost limit</a>, <a href="https://publications.waset.org/abstracts/search?q=cumulative%20repair-cost%20limit" title=" cumulative repair-cost limit"> cumulative repair-cost limit</a>, <a href="https://publications.waset.org/abstracts/search?q=minimal%20repair" title=" minimal repair"> minimal repair</a>, <a href="https://publications.waset.org/abstracts/search?q=periodical%20replacement%20policy" title=" periodical replacement policy"> periodical replacement policy</a> </p> <a href="https://publications.waset.org/abstracts/28802/optimal-replacement-period-for-a-one-unit-system-with-double-repair-cost-limits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28802.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">365</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6128</span> Faults in the Projects, Deviation in the Cost</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Ahmed">S. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Dlask"> P. Dlask</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Hasan"> B. Hasan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are several ways to estimate the cost of the construction project: simple and detailed. The process of estimating cost is usually done during the design stage, which should take long-time and the designer must give attention to all details. This paper explain the causes of the deviations occurring in the cost of the construction project, and determines the reasons of these differences between contractual cost and final cost of the construction project, through the study of literature review related to this field, and benefiting from the experience of workers in the field of building (owners, contractors) through designing a questionnaire, and finding the most ten important reasons and explain the relation between the contractual cost and the final cost according to these reasons. The difference between those values will be showed through diagrams drawn using the statistical program. In addition to studying the effects of overrun costs on the advancing of the project, and identify the most five important effects. According to the results, we can propose the right direction for the final cost evaluation and propose some measures that would help to control and adjust the deviation in the costs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20projects" title="construction projects">construction projects</a>, <a href="https://publications.waset.org/abstracts/search?q=building" title=" building"> building</a>, <a href="https://publications.waset.org/abstracts/search?q=cost" title=" cost"> cost</a>, <a href="https://publications.waset.org/abstracts/search?q=estimating%20costs" title=" estimating costs"> estimating costs</a>, <a href="https://publications.waset.org/abstracts/search?q=delay" title=" delay"> delay</a>, <a href="https://publications.waset.org/abstracts/search?q=overrun" title=" overrun "> overrun </a> </p> <a href="https://publications.waset.org/abstracts/25664/faults-in-the-projects-deviation-in-the-cost" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25664.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6127</span> A Review of the Major Factors of Cost Overrun in Construction Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Abdelgadir">Hassan Abdelgadir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost overruns have harmed the economies and reputations of several construction companies around the world. Many project management systems have been developed to keep track of a project's budget. However, due to several cost overrun difficulties in the construction industry, cost management is still deemed inadequate. As a result, the goal of this term paper is to identify and group prospective construction project cost overrun reasons based on their origin groups.Basically, all potential cost overrun elements were rigorously checked through 1iterature analysis before being divided into seven (7) groups of originating components, including project, contract, client, contractor, consultant, labor, and external. Each potential factor was completely defined with examples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20projects" title="construction projects">construction projects</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20overruns" title=" cost overruns"> cost overruns</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20company" title=" construction company"> construction company</a>, <a href="https://publications.waset.org/abstracts/search?q=factors%20effect%20costoverruns" title=" factors effect costoverruns"> factors effect costoverruns</a> </p> <a href="https://publications.waset.org/abstracts/173461/a-review-of-the-major-factors-of-cost-overrun-in-construction-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173461.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6126</span> An Analytical Method for Maintenance Cost Estimating Relationships of Helicopters Using Linear Programming</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meesun%20Sun">Meesun Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongmin%20Kim"> Yongmin Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Estimating maintenance cost is crucial in defense management because it affects military budgets and availability of equipment. When it comes to estimating maintenance cost of the deployed equipment, time series forecasting can be applied with the actual historical cost data. It is more difficult issue to estimate maintenance cost of new equipment for which the actual costs are not provided. In this underlying context, this study proposes an analytical method for maintenance cost estimating relationships (CERs) development of helicopters using linear programming. The CERs can be applied to a new helicopter because they use non-cost independent variables such as the number of engines, the empty weight and so on. In the Republic of Korea, the maintenance cost of new equipment has been usually estimated by reflecting maintenance cost to unit price ratio of the legacy equipment. This study confirms that the CERs perform well for the 10 types of airmobile helicopters in terms of mean absolute percentage error by applying leave-one-out cross-validation. The suggested method is very useful to estimate the maintenance cost of new equipment and can help in the affordability assessment of acquisition program portfolios for total life cycle systems management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=affordability%20analysis" title="affordability analysis">affordability analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20estimating%20relationship" title=" cost estimating relationship"> cost estimating relationship</a>, <a href="https://publications.waset.org/abstracts/search?q=helicopter" title=" helicopter"> helicopter</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20programming" title=" linear programming"> linear programming</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance%20cost" title=" maintenance cost"> maintenance cost</a> </p> <a href="https://publications.waset.org/abstracts/121012/an-analytical-method-for-maintenance-cost-estimating-relationships-of-helicopters-using-linear-programming" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121012.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6125</span> Matrix Completion with Heterogeneous Cost</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilqar%20Ramazanli">Ilqar Ramazanli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The matrix completion problem has been studied broadly under many underlying conditions. The problem has been explored under adaptive or non-adaptive, exact or estimation, single-phase or multi-phase, and many other categories. In most of these cases, the observation cost of each entry is uniform and has the same cost across the columns. However, in many real-life scenarios, we could expect elements from distinct columns or distinct positions to have a different cost. In this paper, we explore this generalization under adaptive conditions. We approach the problem under two different cost models. The first one is that entries from different columns have different observation costs, but within the same column, each entry has a uniform cost. The second one is any two entry has different observation cost, despite being the same or different columns. We provide complexity analysis of our algorithms and provide tightness guarantees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=matroid%20optimization" title="matroid optimization">matroid optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=matrix%20completion" title=" matrix completion"> matrix completion</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20algebra" title=" linear algebra"> linear algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=algorithms" title=" algorithms"> algorithms</a> </p> <a href="https://publications.waset.org/abstracts/149618/matrix-completion-with-heterogeneous-cost" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149618.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">109</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6124</span> Productive Efficiency in Asean Banking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suhartono%20Suhartono">Suhartono Suhartono</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Issue of cost efficiency is then becoming pivotal point because public expect cost of banking operation reducing and benefited of consumers. This study examines the determinants of cost efficiency of banks operating in 8 member countries of the Association of Southeast Asian Nations (ASEAN). This study uses economics theory approach to examine the existence of economies of scale in the ASEAN Banking market especially on its impact on cost efficiency. We apply concept of average cost (AC) as a proxy for the cost efficiency. We find that economies of scale is existing in the banking market indicating scale and scope economies should be considered in the industrial policy. The stronger capital position is also positive to efficiency means stronger capitalized banks are more efficient. Bank that remunerates better tend to be more efficient as result economic capital effect. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20efficiency" title="cost efficiency">cost efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=ASEAN" title=" ASEAN"> ASEAN</a>, <a href="https://publications.waset.org/abstracts/search?q=economies%20of%20scale" title=" economies of scale"> economies of scale</a>, <a href="https://publications.waset.org/abstracts/search?q=issue%20of%20cost" title=" issue of cost "> issue of cost </a> </p> <a href="https://publications.waset.org/abstracts/29902/productive-efficiency-in-asean-banking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29902.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">379</span> </span> 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