4180 search results - page 449 / 836 » A Query Language for XML |
159
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...
187
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PODS
1998
ACM
15 years 11 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
178
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IDEAS
1997
IEEE
15 years 11 months ago
1997
IEEE
The ROL system is a novel deductive object-oriented database system that has been implemented at the University of Regina. It provides a uniform rule-based declarative language fo...
159
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ICDT
1997
ACM
15 years 11 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
161
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IJCAI
2003
15 years 8 months ago
2003
In this paper, we define a simple but scalable framework for peer-to-peer data sharing systems, in which the problem of answering queries over a network of semantically related p...