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» A New Heuristic for Optimizing Large Queries
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EDBT
2006
ACM
120views Database» more  EDBT 2006»
14 years 7 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
EDBTW
2006
Springer
13 years 11 months ago
Dynamic Plan Migration for Snapshot-Equivalent Continuous Queries in Data Stream Systems
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
Jürgen Krämer, Yin Yang, Michael Cammert...
VLDB
2008
ACM
103views Database» more  VLDB 2008»
14 years 7 months ago
The optimal sequenced route query
Several variations of nearest neighbor (NN) query have been investigated by the database community. However, realworld applications often result in the formulation of new variatio...
Mehdi Sharifzadeh, Mohammad R. Kolahdouzan, Cyrus ...
OOPSLA
1997
Springer
13 years 11 months ago
Query-Based Debugging of Object-Oriented Programs
Object relationships in modern software systems are becoming increasingly numerous and complex. Programmers who try to find violations of such relationships need new tools that al...
Raimondas Lencevicius, Urs Hölzle, Ambuj K. S...
CIKM
2005
Springer
14 years 1 months ago
Optimizing candidate check costs for bitmap indices
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...
Doron Rotem, Kurt Stockinger, Kesheng Wu