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» Instance-Based Query Answering with Semantic Knowledge Bases
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GPC
2010
Springer
14 years 2 months ago
Distributed Island-Based Query Answering for Expressive Ontologies
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
Sebastian Wandelt, Ralf Möller
DEXAW
2006
IEEE
126views Database» more  DEXAW 2006»
14 years 1 months ago
Consistent Query Answering: Opportunities and Limitations
This paper briefly reviews the recent literature on consistent query answering, an approach to handle database inconsistency in a systematic and logical manner based on the notio...
Jan Chomicki
DLOG
2004
13 years 9 months ago
Extended Query Facilities for Racer and an Application to Software-Engineering Problems
er reports on a pragmatic query language for Racer. The abstract syntax and semantics of this query language is defined. Next, the practical relevance of this query language is sh...
Volker Haarslev, Ralf Möller, Ragnhild Van De...
AAAI
2007
13 years 10 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
SEMWEB
2009
Springer
14 years 7 days 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