409 search results - page 6 / 82 » Plan Databases: Model and Algebra |
175
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
Contraflow, or lane reversal, is a way of increasing outbound capacity of a real network by reversing the direction of inbound roads during evacuations. The contraflow is consider...
170
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ICDE
2000
IEEE
15 years 10 months ago
2000
IEEE
Most real-world database applications contain a substantial portion of time-referenced, or temporal, data. Recent advances in temporal query languages show that such database appl...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
This paper describes a query algebra for queries over XML p2p databases that provides explicit mechanisms for modeling data dissemination, replication constraints, and for capturi...
ER
2000
Springer
15 years 1 months ago
2000
Springer
Relational database systems represent the current standard technology for implementing database applications. Now that the object-oriented paradigm becomes more and more mature in...
AMAST
2008
Springer
14 years 11 months ago
2008
Springer
The authors have proposed using category-theoretic sketches to enhance database design and integration methodologies. The algebraic context is called the Sketch Data Model (SkDM) a...