Towards a general theory of action and time
Artificial Intelligence
Set-oriented constructs: from Rete rule bases to database systems
SIGMOD '91 Proceedings of the 1991 ACM SIGMOD international conference on Management of data
Snoop: an expressive event specification language for active databases
Data & Knowledge Engineering
The SAMOS active DBMS prototype
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
The JEDI Event-Based Infrastructure and Its Application to the Development of the OPSS WFMS
IEEE Transactions on Software Engineering
A modular approach to build structured event-based systems
Proceedings of the 2002 ACM symposium on Applied computing
The Power of Events: An Introduction to Complex Event Processing in Distributed Enterprise Systems
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Composite Event Specification in Active Databases: Model & Implementation
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
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DEXA '02 Proceedings of the 13th International Conference on Database and Expert Systems Applications
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ACM SIGMOD Record
Extending the RETE Algorithm for Event Management
TIME '02 Proceedings of the Ninth International Symposium on Temporal Representation and Reasoning (TIME'02)
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VLDB '05 Proceedings of the 31st international conference on Very large data bases
High-performance complex event processing over streams
Proceedings of the 2006 ACM SIGMOD international conference on Management of data
Distributed Event-Based Systems
Distributed Event-Based Systems
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Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Temporal order optimizations of incremental joins for composite event detection
Proceedings of the 2007 inaugural international conference on Distributed event-based systems
Composite subscriptions in content-based publish/subscribe systems
Proceedings of the ACM/IFIP/USENIX 2005 International Conference on Middleware
A framework for event composition in distributed systems
Proceedings of the ACM/IFIP/USENIX 2003 International Conference on Middleware
Unified semantics for event correlation over time and space in hybrid network environments
OTM'05 Proceedings of the 2005 Confederated international conference on On the Move to Meaningful Internet Systems - Volume >Part I
Bridging physical and virtual worlds: complex event processing for RFID data streams
EDBT'06 Proceedings of the 10th international conference on Advances in Database Technology
Towards expressive publish/subscribe systems
EDBT'06 Proceedings of the 10th international conference on Advances in Database Technology
Expressive completeness of an event-pattern reactive programming language
FORTE'05 Proceedings of the 25th IFIP WG 6.1 international conference on Formal Techniques for Networked and Distributed Systems
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Complex event processing (CEP) is an important technology for event-driven systems with a broad application space ranging from supply chain management for RFID, systems monitoring, and stock market analysis to news services. The purpose of CEP is the identification of patterns of events with logical, temporal or causal relationships out of single occurring events. The Rete algorithm is commonly used in rule-based systems to trigger certain actions if a corresponding rule holds. It allows for a high number of rules and is therefore ideally suited for event processing systems. However, traditional Rete networks are limited to operations such as unification and the extraction of predicates from a knowledge base. There is no support for temporal operators. We propose an extension of the Rete algorithm for support of temporal operators. Thereby, we are using interval time semantics. We present the issues created by this extension as well as our pursued methodology to address them. A description language is used to specify the patterns of interest. This specification is also called subscription to a complex event. On the occurrence of the specified event pattern, an action such as the creation of a new event or the execution of certain function is performed.