3710 search results - page 660 / 742 » A new calculus of contexts |
261
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
238
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The concept of dominance has recently attracted much interest in the context of skyline computation. Given an Ndimensional data set S, a point p is said to dominate q if p is bett...
247
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper discusses ongoing research on scientific workflows at the Institute of Computing, University of Campinas (IC - UNICAMP) Brazil. Our projects with bio-scientists have le...
168
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
188
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...