1933 search results - page 48 / 387 » Query Containment Using Views |
102
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BIRTHDAY
2005
Springer
15 years 7 months ago
2005
Springer
To get a better understanding of the influence of the media on current political events, researchers in Communication Science have recently reported on several case studies, in w...
107
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PODS
2002
ACM
16 years 2 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
118
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DAWAK
1999
Springer
15 years 6 months ago
1999
Springer
One of the most challenging problems in data manipulation in the future is to be able to e ciently handle very large databases but also multiple induced properties or generalizatio...
115
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SIGMOD
2011
ACM
14 years 5 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
90
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CCCG
2008
15 years 3 months ago
2008
We present data structures for triangular emptiness and reporting queries for a planar point set, where the query triangle contains the origin. The data structures use near-linear...