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» Query Processing Using Ontologies
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GECCO
2007
Springer
179views Optimization» more  GECCO 2007»
15 years 11 months ago
Genetic algorithms for large join query optimization
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
Hongbin Dong, Yiwen Liang
WWW
2010
ACM
15 years 10 months ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
DEBS
2008
ACM
15 years 6 months ago
A framework for performance evaluation of complex event processing systems
Several new Complex Event Processing (CEP) engines have been recently released, many of which are intended to be used in performance sensitive scenarios - like fraud detection, tr...
Marcelo R. N. Mendes, Pedro Bizarro, Paulo Marques
CINQ
2004
Springer
163views Database» more  CINQ 2004»
15 years 10 months ago
Frequent Itemset Discovery with SQL Using Universal Quantification
Algorithms for finding frequent itemsets fall into two broad classes: (1) algorithms that are based on non-trivial SQL statements to query and update a database, and (2) algorithms...
Ralf Rantzau
CASCON
2008
111views Education» more  CASCON 2008»
15 years 6 months ago
DBMS workload control using throttling: experimental insights
Today's database management systems (DBMSs) are required to handle diverse, mixed workloads and to provide differentiated levels of service to ensure that critical work takes...
Wendy Powley, Patrick Martin, Paul Bird