183 search results - page 23 / 37 » Improving Query Answering over DL-Lite Ontologies |
DLOG
2011
12 years 10 months ago
2011
Abstract. The pressing need for scalable query answering has motivated the development of many incomplete ontology-based reasoners. Improving the completeness of such systems witho...
TLSDKCS
2010
13 years 1 months ago
2010
Abstract. With increasing volumes of data, much effort has been devoted to finding the most suitable answer to an information need. However, in many domains, the question whether a...
DLOG
2007
13 years 9 months ago
2007
We present cq-programs, which enhance nonmonotonic description logics (dl-) programs by conjunctive queries (CQ) and union of conjunctive queries (UCQ) over Description Logics kno...
WWW
2011
ACM
13 years 1 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
ADC
2000
Springer
13 years 10 months ago
2000
Springer
Answering range queries is a common database operation. Methods based on hashing techniques to minimise the cost of answering range queries by taking the query distribution into a...