3319 search results - page 465 / 664 » Type Theoretical Databases |
150
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ICDM
2009
IEEE
15 years 11 months ago
2009
IEEE
This paper offers a local distributed algorithm for expectation maximization in large peer-to-peer environments. The algorithm can be used for a variety of well-known data mining...
173
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DBPL
1993
Springer
15 years 8 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
142
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DBPL
1995
Springer
15 years 8 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
147
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CIDR
2007
15 years 6 months ago
2007
Fragmentation leads to unpredictable and degraded application performance. While these problems have been studied in detail for desktop filesystem workloads, this study examines n...
239
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DEBU
2007
15 years 4 months ago
2007
The volume of information in natural languages in electronic format is increasing exponentially. The demographics of users of information management systems are becoming increasin...