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» Continuous Queries in Oracle
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166
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ICDE
2003
IEEE
144views Database» more  ICDE 2003»
15 years 11 months ago
Flux: An Adaptive Partitioning Operator for Continuous Query Systems
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...
Mehul A. Shah, Joseph M. Hellerstein, Sirish Chand...
WWW
2005
ACM
15 years 10 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham
PODS
2007
ACM
151views Database» more  PODS 2007»
15 years 9 months ago
Optimization of continuous queries with shared expensive filters
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
Kamesh Munagala, Utkarsh Srivastava, Jennifer Wido...
132
Voted
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
15 years 9 months ago
Mashup Feeds: : continuous queries over web services
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
Arsany Sawires, Divyakant Agrawal, Jun'ichi Tatemu...
SIGMOD
2005
ACM
146views Database» more  SIGMOD 2005»
15 years 9 months ago
Predicate Result Range Caching for Continuous Queries
Many analysis and monitoring applications require the repeated execution of expensive modeling functions over streams of rapidly changing data. These applications can often be exp...
Matthew Denny, Michael J. Franklin