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» Algebras and Update Strategies
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DOLAP
2005
ACM
13 years 9 months ago
Optimizing the incremental maintenance of multiple join views
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
Ki Yong Lee, Myoung-Ho Kim
LICS
2009
IEEE
14 years 2 months ago
The Structure of First-Order Causality
Game semantics describe the interactive behavior of proofs by interpreting formulas as games on which proofs induce strategies. Such a semantics is introduced here for capturing d...
Samuel Mimram
ICDE
2010
IEEE
194views Database» more  ICDE 2010»
14 years 2 months ago
Visualizing cost-based XQuery optimization
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
Andreas M. Weiner, Theo Härder, Renato Olivei...
SSD
1993
Springer
152views Database» more  SSD 1993»
13 years 12 months ago
Realms: A Foundation for Spatial Data Types in Database Systems
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Ralf Hartmut Güting, Markus Schneider
DIAGRAMS
2006
Springer
13 years 11 months ago
The Mathematics of Boundaries: A Beginning
The intuitive properties of configurations of planar non-overlapping closed curves (boundaries) are presented as a pure boundary mathematics. The mathematics, which is not incorpor...
William Bricken