8763 search results - page 406 / 1753 » Querying Database Knowledge |
182
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
In this poster we introduce ProThes, a pilot meta-search engine (MSE) for a specific application domain. ProThes combines three approaches: meta-search, graphical user interface (...
163
Voted
SIGMOD
2001
ACM
16 years 7 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
164
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MMM
2008
Springer
16 years 1 months ago
2008
Springer
In this paper, we propose a novel query language for video indexing and retrieval that (1) enables to make queries both at the image level and at the semantic level (2) enables the...
202
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MDM
2005
Springer
16 years 10 days ago
2005
Springer
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
166
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ICDT
1995
ACM
15 years 10 months ago
1995
ACM
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...