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» Managing the operator ordering problem in parallel databases
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ICDE
2008
IEEE
395views Database» more  ICDE 2008»
17 years 11 days ago
PermJoin: An Efficient Algorithm for Producing Early Results in Multi-join Query Plans
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the case of ...
Justin J. Levandoski, Mohamed E. Khalefa, Mohamed ...
183
Voted
SIGMOD
2008
ACM
125views Database» more  SIGMOD 2008»
16 years 23 days ago
Categorical skylines for streaming data
The problem of skyline computation has attracted considerable research attention. In the categorical domain the problem becomes more complicated, primarily due to the partially-or...
Nikos Sarkas, Gautam Das, Nick Koudas, Anthony K. ...
121
Voted
CIKM
2004
Springer
15 years 6 months ago
RStar: an RDF storage and query system for enterprise resource management
Modern corporations operate in an extremely complex environment and strongly depend on all kinds of information resources across the enterprise. Unfortunately, with the growth of ...
Li Ma, Zhong Su, Yue Pan, Li Zhang, Tao Liu
131
Voted
ISORC
2007
IEEE
15 years 7 months ago
QoS Management of Real-Time Data Stream Queries in Distributed Environments
Many emerging applications operate on continuous unbounded data streams and need real-time data services. Providing deadline guarantees for queries over dynamic data streams is a ...
Yuan Wei, Vibha Prasad, Sang Hyuk Son
98
Voted
SIGMOD
2011
ACM
234views Database» more  SIGMOD 2011»
14 years 3 months ago
Ranking with uncertain scoring functions: semantics and sensitivity measures
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
Mohamed A. Soliman, Ihab F. Ilyas, Davide Martinen...