726 search results - page 50 / 146 » Extended Query Answering Using Integrity Rules |
ECAI
2004
Springer
14 years 12 days ago
2004
Springer
We present a user interface, the OntoRefiner1 system, for helping the user to navigate numerous retrieved documents after a search querying a semantic portal which integrates a ver...
AICOM
2004
13 years 8 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
OTM
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
EUSFLAT
2003
13 years 10 months ago
2003
In this paper, some considerations on extension of the Datalog language are proposed in order to apply this language on a GEFRED fuzzy relational database. For this integration, w...
ICDT
2003
ACM
14 years 1 months ago
2003
ACM
All the languages for querying semistructured data and the web use as an integral part regular expressions. Based on practical observations, finding the paths that satisfy those r...