3891 search results - page 594 / 779 » Query Models |
114
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Sovereign information sharing allows autonomous entities to compute queries across their databases in such a way that nothing apart from the result is revealed. We describe an imp...
105
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PODS
2004
ACM
16 years 3 months ago
2004
ACM
d abstract) Michael Benedikt Bell Labs Jan Van den Bussche Limburgs Universitair Centrum Christof L?oding Lehrstuhl Informatik VII RWTH Aachen Thomas Wilke Institut f?ur Informatik...
126
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PODS
2007
ACM
16 years 3 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
130
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PEPM
2009
ACM
15 years 12 months ago
2009
ACM
Abstract. This paper presents techniques and tools to transform spreadsheets into relational databases and back. A set of data refinement rules is introduced to map a tabular data...
120
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HICSS
2010
IEEE
15 years 10 months ago
2010
IEEE
Geographic information retrieval (GIR) is, as a branch of traditional information retrieval, a discipline that tries to enrich data with geographical information to make it suitab...