@article{journals/corr/abs-cs-0507067,
	title = {Conjunctive Query Containment and Answering under Description Logics Constraints},
	author = {Diego Calvanese and Giuseppe De Giacomo and Maurizio Lenzerini},
	journal = {CoRR},
	note = {informal publication},
	url = {http://dblp.uni-trier.de/db/journals/corr/corr0507.html#abs-cs-0507067},
	volume = {abs/cs/0507067},
	year = {2005},
	biburl = {http://www.bibsonomy.org/bibtex/2dbb5fa82dbefe476069f7218f27ec05c/dblp},
	description = {dblp},
	ee = {http://arxiv.org/abs/cs/0507067}, date = {2008-01-02},
	keywords = {dblp }
}