A predicate matching algorithm for database rule systems
SIGMOD '90 Proceedings of the 1990 ACM SIGMOD international conference on Management of data
Matching events in a content-based subscription system
Proceedings of the eighteenth annual ACM symposium on Principles of distributed computing
Indexing transaction time databases
Information Sciences: an International Journal
The SIFT information dissemination system
ACM Transactions on Database Systems (TODS)
NiagaraCQ: a scalable continuous query system for Internet databases
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Filtering algorithms and implementation for very fast publish/subscribe systems
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Models and issues in data stream systems
Proceedings of the twenty-first ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Continuously adaptive continuous queries over streams
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
R-trees: a dynamic index structure for spatial searching
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
The Time Index: An Access Structure for Temporal Data
VLDB '90 Proceedings of the 16th International Conference on Very Large Data Bases
Efficient Distribution-Based Event Filtering
ICDCSW '02 Proceedings of the 22nd International Conference on Distributed Computing Systems
Dynamic Algorithms in Computational Geometry
Dynamic Algorithms in Computational Geometry
Streaming queries over streaming data
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
DASFAA'05 Proceedings of the 10th international conference on Database Systems for Advanced Applications
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Efficient event matching algorithms are the core of publish/subscribe systems. Such algorithms are typically designed based on memory structure for performance reasons. Given the explosive growth of information, it is not always practically feasible to keep the index for event filtering memory-resident, thereby necessitating the need for a secondary storage structure. Incidentally, even though search algorithms designed for active databases and spatio-temporal databases are applicable to publish/subscribe systems, these algorithms are not specifically designed for publish/subscribe systems which require both fast search as well as efficient support for dynamic insertions and deletions. To address this problem, we propose a predicate index for secondary storage structures with space complexity O(n) and search time complexity O(log n). Analytical comparison of our proposed algorithms with existing work indicates that our secondary storage predicate index is efficient for event matching.