4874 search results - page 352 / 975 » Information theory for data management |
211
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CIKM
2001
Springer
15 years 11 months ago
2001
Springer
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
155
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
In this paper, a language model adapted to graph-based representation of image content is proposed and assessed. The full indexing and retrieval processes are evaluated on two di�...
157
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ACISICIS
2005
IEEE
15 years 8 months ago
2005
IEEE
This paper introduces a strategy and its theory proof to transform non-linear concept graph: Directed Acyclic Concept Graph (DACG) into a linear concept tree. The transformation i...
293
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
279
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
The problem of privacy-preserving data mining has been studied extensively in recent years because of the increased amount of personal information which is available to corporation...