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» Evaluating Window Joins over Unbounded Streams
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EDBT
2008
ACM
137views Database» more  EDBT 2008»
14 years 5 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
ACIIDS
2009
IEEE
144views Database» more  ACIIDS 2009»
13 years 10 months ago
Processing Exact Results for Sliding Window Joins over Time-Sequence, Streaming Data Using a Disk Archive
— We consider the problem of processing exact results for sliding window joins over data streams with limited memory. Existing approaches deal with memory limitations by shedding...
Abhirup Chakraborty, Ajit Singh
ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
13 years 12 months ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
ICDE
2005
IEEE
183views Database» more  ICDE 2005»
14 years 6 months ago
Adaptive Caching for Continuous Queries
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
Shivnath Babu, Kamesh Munagala, Jennifer Widom, Ra...
VLDB
2004
ACM
134views Database» more  VLDB 2004»
13 years 10 months ago
Memory-Limited Execution of Windowed Stream Joins
We address the problem of computing approximate answers to continuous sliding-window joins over data streams when the available memory may be insufficient to keep the entire join...
Utkarsh Srivastava, Jennifer Widom