<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/dlog/LiebigR97" mdate="2004-03-11">
<author>Thorsten Liebig</author>
<author>Dietmar R&#246;sner</author>
<title>Action Hierarchies in Description Logics.</title>
<year>1997</year>
<crossref>conf/dlog/1997</crossref>
<booktitle>Description Logics</booktitle>
<ee>http://dl.kr.org/dl97/proceedings/liebig.ps.gz</ee>
<url>db/conf/dlog/dlog1997.html#LiebigR97</url>
</inproceedings>
</dblp>
