409 search results - page 27 / 82 » Plan Databases: Model and Algebra |
DBPL
2003
Springer
15 years 5 months ago
2003
Springer
The increased usage of mobile devices coupled with an unprecedented demand for information has pushed the scalability problem of pull-based data service to the focus. A broadcast ...
193
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
105
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IJIIDS
2010
14 years 6 months ago
2010
Abstract. This paper presents the semantics of database mappings in the relational database (DB) category, based on the power-view monad T and monadic algebras. The semantics can b...
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
128
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KRDB
1997
15 years 1 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...