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» Worst-Case Optimal Algorithms for Parallel Query Processing
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ICDE
2009
IEEE
129views Database» more  ICDE 2009»
16 years 4 months ago
Evaluating TOP-K Queries over Business Processes
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specifica...
Daniel Deutch, Tova Milo
125
Voted
PVLDB
2010
123views more  PVLDB 2010»
15 years 21 days ago
Sharing-Aware Horizontal Partitioning for Exploiting Correlations During Query Processing
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
Kostas Tzoumas, Amol Deshpande, Christian S. Jense...
RAID
2009
Springer
15 years 8 months ago
Adaptive Anomaly Detection via Self-calibration and Dynamic Updating
The deployment and use of Anomaly Detection (AD) sensors often requires the intervention of a human expert to manually calibrate and optimize their performance. Depending on the si...
Gabriela F. Cretu-Ciocarlie, Angelos Stavrou, Mich...
GRID
2007
Springer
15 years 6 months ago
Optimizing multiple queries on scientific datasets with partial replicas
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...
Li Weng, Ümit V. Çatalyürek, Tahs...
ICDE
2008
IEEE
2751views Database» more  ICDE 2008»
17 years 2 months ago
Skyline Query Processing for Incomplete Data
Recently, there has been much interest in processing skyline queries for various applications that include decision making, personalized services, and search pruning. Skyline queri...
Justin J. Levandoski, Mohamed E. Khalefa, Mohamed ...