686 search results - page 21 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
157
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ICDE
2004
IEEE
15 years 10 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
EDBT
2009
ACM
15 years 22 days ago
2009
ACM
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
101
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APWEB
2008
Springer
14 years 11 months ago
2008
Springer
Information exchanges in P2P networks have become very popular in recent years. However, tracing how data circulates between peers and how data modifications are performed during t...
FQAS
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...
152
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...