521 search results - page 19 / 105 » Answering Queries by Semantic Caches |
TIME
2007
IEEE
15 years 4 months ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...
SEMWEB
2010
Springer
14 years 7 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
ICDT
2007
ACM
15 years 4 months ago
2007
ACM
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
SEMWEB
2010
Springer
14 years 7 months ago
2010
Springer
This paper presents our work on supporting evaluation of integrity constraint issues in semantic web instance data. We propose an alternative semantics for the ontology language, i...
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ADC
2009
Springer
15 years 4 months ago
2009
Springer
Whenever a client frequently has to retrieve, to query and to locally transform large parts of a huge XML document that is stored on a remote web information server, data exchange...