2169 search results - page 291 / 434 » Inferencing in Database Semantics |
136
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ICDT
2010
ACM
15 years 9 months ago
2010
ACM
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
146
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BTW
2001
Springer
15 years 8 months ago
2001
Springer
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
130
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CIKM
2001
Springer
15 years 8 months ago
2001
Springer
Managing trust is a problem of particular importance in peer-to-peer environments where one frequently encounters unknown agents. Existing methods for trust management, that are b...
132
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DEXA
2001
Springer
15 years 8 months ago
2001
Springer
Image mining systems that can automatically extract semantically meaningful information (knowledge) from image data are increasingly in demand. The fundamental challenge in image m...
141
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VLDB
1999
ACM
15 years 8 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...