1039 search results - page 136 / 208 » Query reformulation with constraints |
135
Voted
SSDBM
2008
IEEE
15 years 11 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
165
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Moving objects databases (MOD) have been receiving increasing attention from the database community in recent years, mainly due to the wide variety of applications that technology...
119
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ICDT
1995
ACM
15 years 8 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
148
Voted
ER
2010
Springer
15 years 3 months ago
2010
Springer
Multidimensional models are at the core of data warehouse systems, since they allow decision makers to early define the relevant information and queries that are required to satis...
138
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PVLDB
2010
15 years 3 months ago
2010
Independence analysis is the problem of determining whether an update affects the result of a query, e.g. a constraint or materialized view. We develop a new, modular framework fo...