5122 search results - page 642 / 1025 » Comparing Consequence Relations |
268
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
201
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
186
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EDBT
2002
ACM
16 years 7 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...
207
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EDBT
2006
ACM
16 years 7 months ago
2006
ACM
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
173
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EDBT
2008
ACM
16 years 7 months ago
2008
ACM
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...