<?xml version="1.0" encoding="US-ASCII"?> <dblp> <inproceedings key="conf/btw/LudwigWLMG89" mdate="2017-05-25"> <author>Thomas Ludwig 0001</author> <author>Bernd Walter</author> <author>Michael Ley</author> <author>Albert Maier</author> <author>Erich Gehlen</author> <title>LILOG-DB: Database Support for Knowledge-Based Systems.</title> <pages>176-195</pages> <year>1989</year> <crossref>conf/btw/89</crossref> <booktitle>BTW</booktitle> <url>db/conf/btw/btw89.html#LudwigWLMG89</url> <ee>https://doi.org/10.1007/978-3-642-74571-3_15</ee> </inproceedings></dblp>