6654 search results - page 1185 / 1331 » Querying Faceted Databases |
131
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
In this paper, we introduce self-tuning histograms. Although similar in structure to traditional histograms, these histograms infer data distributions not by examining the data or...
126
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
129
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DL
1999
Springer
15 years 8 months ago
1999
Springer
Existing web search engines provide users with the ability to query an off-line database of indices in order to decide on an entry point for further manual navigation. Results are...
140
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VLDB
1999
ACM
15 years 8 months ago
1999
ACM
We present a pipelining, dynamically usercontrollable reorder operator, for use in dataintensive applications. Allowing the user to reorder the data delivery on the fly increases...
135
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SIGMOD
1998
ACM
15 years 8 months ago
1998
ACM
Semistructured data is characterized by the lack of any fixed and rigid schema, although typically the data hassomeimplicitstructure. While thelack offixedschemamakesextracting ...