7690 search results - page 128 / 1538 » On the semantics of informational independence |
152
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IPM
2000
15 years 6 months ago
2000
Intelligent Information Retrieval is concerned with the application of intelligent techniques, like for example semantic networks, neural networks and inference nets to Informatio...
189
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
182
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WER
1998
Springer
15 years 10 months ago
1998
Springer
Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
169
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OPODIS
2004
15 years 7 months ago
2004
Abstract. We present a formalism for modeling replication in a distributed system with concurrent users sharing information. It is based on actions, which represent operations requ...
175
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Several approaches to collaborative filtering have been studied but seldom have studies been reported for large (several million users and items) and dynamic (the underlying item ...