2043 search results - page 174 / 409 » The Limits of Querying Ontologies |
EDBT
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
ER
2007
Springer
14 years 3 months ago
2007
Springer
Provability-based semantic interoperability (PBSI) is a kind of interoperability that transcends mere syntactic translation to allow for robust, meaningful information exchange acr...
SSDBM
2005
IEEE
14 years 2 months ago
2005
IEEE
The tools used to analyze scientific data are often distinct from those used to archive, retrieve, and query data. A scientific workflow environment, however, allows one to seamles...
SEMWEB
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. The shift from Web pages to Web services enables programmatic access to the near limitless information on the World Wide Web. Autonomous agents should generate concise an...