6846 search results - page 92 / 1370 » Querying a summary of database |
100
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BDA
1993
14 years 11 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
187
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing perf...
155
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
GLOBE
2009
Springer
15 years 2 months ago
2009
Springer
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. A challenging problem is to support skylin...
CIKM
2004
Springer
15 years 3 months ago
2004
Springer
Indexing XML is crucial for efficient XML query processing. We propose a compact tree (Ctree) for XML indexing, which provides not only concise path summaries at group level but a...