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Virtuoso SPARQL Query Editor | RDF Views
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html version="-//W3C//DTD XHTML 1.1//EN" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > <head> <title>Virtuoso SPARQL Query Editor | RDF Views</title> <meta name="Copyright" content="Copyright © 2024 OpenLink Software" /> <meta name="Keywords" content="OpenLink Virtuoso Sparql" /> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <style type="text/css"> /*<![CDATA[*/ html { padding: 0; } body { padding: 0; margin: 0; font-family:Arial, Helvetica, sans-serif; font-size: 9pt; color: #333; background-color: #FDFDFD; } #header { padding: 0; margin: 0; background-color: #86B9D9; color: #FFFFFF; border-bottom: 1px solid #AAA; } #header h1 { font-size: 16pt; font-weight: normal; text-align: left; vertical-align: middle; padding: 4px 8px 4px 8px; margin: 0px 0px 0px 0px; } #menu { margin-left: 8px; margin-right: 8px; margin-top: 0px; clear: right; float: right; } #intro,#main { margin-left: 8px; margin-right: 8px; } #help { margin-left: 8px; margin-right: 8px; width: 80% } #footer { width: 100%; float: left; clear: left; margin: 2em 0 0; padding-top: 0.7ex; border-top: 1px solid #AAA; font-size: 8pt; text-align: center; } fieldset { border: 0; padding: 0; margin: 0; } fieldset label { font-weight: normal; white-space: nowrap; font-size: 11pt; color: #000; } fieldset label.n { display: block; vertical-align: bottom; margin-top:5px; width: 160px; float:left; white-space: nowrap; } fieldset label.n:after { content: ":"; } fieldset label.n1 { display: block; vertical-align: bottom; margin-top:5px; width: 160px; float:left; white-space: nowrap; } fieldset label.ckb { width: 160px; font-weight: normal; font-size: 10pt; } fieldset label.ckb:after { content: ""; } fieldset textarea { width: 99%; font-family: monospace; font-size: 10pt; } #cxml { clear: both; display: block; } #savefs { clear: both; display: block; } span.info { font-size: 9pt; white-space: nowrap; height: 2em; } br { clear: both; } /*]]>*/ </style> </head> <body> <div id="header"> <h1 id="title">Virtuoso SPARQL Query Editor | RDF Views</h1> </div> <div id="help"> <h3>How To Let Virtuoso Render Relational Data As RDF?</h3><p>By default, Virtuoso stores all RDF data in a single "RDF Storage" that consists of one four-column relational table containing all triples of all graphs.</p><p><b>The Virtuoso instance seems to be in the default configuration now, probably you do not have to inspect the rest of this page.</b></p><p>System Administrator can extend this basic schema with more storages and more groups of triples to represent a variety of SQL tables and views stored in Virtuoso or in attached data sources.</p><h3>Storage <http://www.openlinksw.com/schemas/virtrdf#DefaultQuadStorage></h3><p>This pre-defined storage is used by default by all SPARQL queries.</p></p> <p>The storage contains no RDF Views.</p> <p>The storage has a default quad map <http://www.openlinksw.com/schemas/virtrdf#DefaultQuadMap><br/> The quad map provides triples for <nobr>various graphs named by format <http://www.openlinksw.com/virtrdf-data-formats#default-iid-nonblank></nobr>.<br/>The data come from <nobr>DB.DBA.RDF_QUAD</nobr> </p><h3>Storage <http://www.openlinksw.com/schemas/virtrdf#DefaultServiceStorage></h3><p>This pre-defined storage is used internally for SERVICE {...} clauses of SPARQL queries; not for regular use.</p></p> <p>The storage contains no RDF Views.</p> <p>The storage has a default quad map <http://www.openlinksw.com/schemas/virtrdf#DefaultServiceMap><br/> The quad map provides triples for <nobr>various graphs named by format <http://www.openlinksw.com/virtrdf-data-formats#default-iid-nonblank></nobr>.<br/>The data come from system procedure views that compose and send HTTP requests to remote SPARQL service endpoints and then parse answers </p><h3>Storage <http://www.openlinksw.com/schemas/virtrdf#SyncToQuads></h3><p>This pre-defined storage is to enumerate quad maps mentioned by triggers based on RDF Views; these triggers track changes in source tables of RDF Views and materialize updated content of views as "physical" triples.</p></p> <p>The storage contains no RDF Views.</p> <p>The storage has no default quad map.</p> <p>To close this help, press <button type="button" name="back" value="Back" onclick="javascript:history.go(-1);">Back</button> or use the "back" button of the browser.</p> </div> <div id="footer"> Copyright © 2024 <a href="http://www.openlinksw.com/virtuoso">OpenLink Software</a><br />Virtuoso version 07.20.3229 on Linux (x86_64-pc-linux-gnu), Single Server Edition </div> </body> </html>