How to Decide Query Containment Under Constraints Using a Description Logic
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\begin{bibtex} @inproceedings{DBLP:conf/lpar/HorrocksSTT00, title={How to Decide Query Containment Under Constraints Using a Description Logic}, pages={326-343}, ee={http://link.springer.de/link/service/series/0558/bibs/1955/19550326.htm}, year={2000}, crossref={DBLP:conf/lpar/2000}, booktitle={LPAR}, url={http://www.informatik.uni-trier.de/~ley/db/conf/lpar/lpar2000.html#HorrocksSTT00}, author={Ian Horrocks and Ulrike Sattler and Sergio Tessaris and Stephan Tobies} }\end{bibtex}
