5 search results - page 1 / 1 » A Decomposition-Based Approach to Optimizing Conjunctive Que... |
SEMWEB
2009
Springer
13 years 9 months ago
2009
Springer
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...
DLOG
2011
12 years 8 months ago
2011
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...
EDBT
2006
ACM
14 years 4 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
SEMWEB
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
OTM
2007
Springer
13 years 10 months ago
2007
Springer
Practical scalability of Description Logic (DL) reasoning is an important premise for the adoption of OWL in a real-world setting. Many highly efficient optimizations for the DL ta...