2229 search results - page 267 / 446 » The Case for Grounding Databases |
175
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
221
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
In recent years, privacy preserving data mining has become an important problem because of the large amount of personal data which is tracked by many business applications. In many...
180
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
XML suffers from the major limitation of high redundancy. Even if compression can be beneficial for XML data, however, once compressed, the data can be seldom browsed and queried i...
179
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Peer-to-peer (P2P) systems are gaining increasing popularity as a scalable means to share data among a large number of autonomous nodes. In this paper, we consider the case in whic...
185
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...