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Optimization of Continuous Queries with Shared Expensive Filters

Summary: Adaptive shared execution of expensive filters across many continuous conjunctive queries beats any fixed-order strategy as filter costs rise, despite adaptivity overhead. Shows optimal adaptive planning is NP-hard and ln m-inapproximable; gives a greedy algorithm with O(log^2 m log n) approximation and a precomputation technique to cut runtime overhead. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
h66db154d17e7ca32
Venue
PODS
Year
2007
Pagerank
6.5764656e-05
Overall Rank
4,489 | 69.83%
DOI
10.1145/1265530.1265561

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{munagala_pods07,
        address = {New York, NY, USA},
        series = {{PODS} '07},
        title = {{Optimization of Continuous Queries with Shared Expensive Filters}},
        url = {https://dl.acm.org/doi/10.1145/1265530.1265561},
        doi = {10.1145/1265530.1265561},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Munagala, Kamesh and Srivastava, Utkarsh and Widom, Jennifer},
        year = {2007}
}

Incoming Citations (Sorted by Pagerank)

Showing 4 of 4 citing papers.

Rank Citing Paper Year Venue Pagerank
271 NoScope: Optimizing Neural Network Queries over Video at Scale 2017 VLDB 0.0002256866
1,273 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011243661
7,028 Near-Optimal Algorithms for Shared Filter Evaluation in Data Stream Systems 2008 SIGMOD 5.6153559e-05
8,606 A Generic Flow Algorithm for Shared Filter Ordering Problems 2008 PODS 5.303032e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 11 of 11 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
25 NiagaraCQ: A Scalable Continuous Query System for Internet Databases 2000 SIGMOD 0.00053906051
26 Models and Issues in Data Stream Systems 2002 PODS 0.00052097907
53 Eddies: Continuously Adaptive Query Processing 2000 SIGMOD 0.000408505
125 Predicate Migration: Optimizing Queries with Expensive Predicates 1993 SIGMOD 0.00030462671
200 Continuously Adaptive Continuous Queries over Streams 2002 SIGMOD 0.00025444144
343 Model-Driven Data Acquisition in Sensor Networks 2004 VLDB 0.00020510274
827 Adaptive Ordering of Pipelined Stream Filters 2004 SIGMOD 0.00013629035
831 Pipelining in Multi-Query Optimization 2001 PODS 0.00013583882
1,286 Resource Sharing in Continuous Sliding-Window Aggregates 2004 VLDB 0.00011188038
2,059 Rule Condition Testing and Action Execution in Ariel 1992 SIGMOD 9.1060398e-05
4,108 Content-Based Routing: Different Plans for Different Data 2005 VLDB 6.8000756e-05
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