1125 search results - page 126 / 225 » Query Answering in Inconsistent Databases |
146
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VLDB
2010
ACM
15 years 21 days ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
204
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
140
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ICDT
2010
ACM
15 years 11 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
207
Voted
SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
153
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BTW
2005
Springer
15 years 8 months ago
2005
Springer
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...