2063 search results - page 139 / 413 » Containment of Aggregate Queries |
118
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CN
2000
15 years 4 months ago
2000
The Web contains an abundance of useful semi-structured information that can and should be mined. Types of structure include hyperlinks between pages, structure within hypertext p...
181
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CORR
2004
Springer
15 years 4 months ago
2004
Springer
Analyzing and controlling large distributed services under a wide range of conditions is difficult. Yet these capabilities are essential to a number of important development and o...
120
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FCT
2001
Springer
15 years 9 months ago
2001
Springer
This paper presents the prediction-preserving reducibility with membership queries (pwm-reducibility) on formal languages, in particular, simple CFGs and finite unions of regular ...
122
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EUROPAR
2000
Springer
15 years 8 months ago
2000
Springer
Tertiary storage systems are used when secondary storage can not satisfy the data storage requirements and/or it is a more cost effective option. The new application domains requir...
146
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KDD
2004
ACM
16 years 4 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...