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» Answering Conjunctive Queries over DL Aboxes: A Preliminary ...
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SEMWEB
2009
Springer
13 years 9 months ago
A Decomposition-Based Approach to Optimizing Conjunctive Query Answering in OWL DL
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
Jianfeng Du, Guilin Qi, Jeff Z. Pan, Yi-Dong Shen
DLOG
2011
12 years 8 months ago
Query Answering over SROIQ Knowledge Bases with SPARQL
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
Ilianna Kollia, Birte Glimm, Ian Horrocks
AAAI
2007
13 years 7 months ago
Answering Regular Path Queries in Expressive Description Logics: An Automata-Theoretic Approach
Expressive Description Logics (DLs) have been advocated as formalisms for modeling the domain of interest in various application areas. An important requirement is the ability to ...
Diego Calvanese, Thomas Eiter, Magdalena Ortiz
DLOG
2003
13 years 6 months ago
Incremental Query Answering for Implementing Document Retrieval Services
Agent systems that search the Semantic Web are seen as killer applications for description logic (DL) inference engines. The guiding examples for the Semantic Web involve informat...
Volker Haarslev, Ralf Möller