2229 search results - page 48 / 446 » The Case for Grounding Databases |
109
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PODS
2007
ACM
16 years 1 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...
104
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CAISE
2006
Springer
15 years 5 months ago
2006
Springer
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...
114
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IJCIS
1998
15 years 1 months ago
1998
The problem of integrating information from con icting sources comes up in many current applications, such as cooperative information systems, heterogeneous databases, and multi-a...
127
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CIIA
2009
15 years 2 months ago
2009
Vertical partition is an important technique in database design used to enhance performance in database systems. Vertical fragmentation is a combinatorial optimization problem that...
121
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SIGMOD
2000
ACM
15 years 5 months ago
2000
ACM
This paper addresses the problem of finding the K closest pairs between two spatial data sets, where each set is stored in a structure belonging in the R-tree family. Five diffe...