3969 search results - page 614 / 794 » Query Processing Using Ontologies |
166
Voted
DEXA
1998
Springer
15 years 9 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
145
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BDA
2006
15 years 6 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...
149
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VLDB
2002
ACM
15 years 4 months ago
2002
ACM
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
170
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
144
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CIKM
2003
Springer
15 years 10 months ago
2003
Springer
Distributed heterogeneous search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers d...