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» Efficient Query Evaluation on Probabilistic Databases
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191
Voted
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
16 years 20 days ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...
97
Voted
SSD
2007
Springer
124views Database» more  SSD 2007»
15 years 6 months ago
Querying Objects Modeled by Arbitrary Probability Distributions
In many modern applications such as biometric identification systems, sensor networks, medical imaging, geology, and multimedia databases, the data objects are not described exact...
Christian Böhm, Peter Kunath, Alexey Pryakhin...
196
Voted
ICDE
2009
IEEE
165views Database» more  ICDE 2009»
16 years 2 months ago
Expressive Location-Based Continuous Query Evaluation with Binary Decision Diagrams
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
Zhengdao Xu, Hans-Arno Jacobsen
175
Voted
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 20 days ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
WSMAI
2004
15 years 1 months ago
Scalable Continuous Query System for Web Databases
Continuous Queries (CQ) help users to retrieve results as soon as they become available. The CQ keeps track of two important events. If there is any change in the source informatio...
Ather Saeed, Savitri Bevinakoppa