Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Giorgio Orsi, Andreas Pieris. Optimizing Query Answering under Ontological Constraints. PVLDB, 4(11):1004-1015, 2011. [doi]
Abstract is missing.