Snoop: an expressive event specification language for active databases
Data & Knowledge Engineering
A tour on the TriGS active database system — architectue and implementation
SAC '98 Proceedings of the 1998 ACM symposium on Applied Computing
A General Model for Event Specification in Active Database Management Systems
DOOD '97 Proceedings of the 5th International Conference on Deductive and Object-Oriented Databases
Composite Event Specification in Active Databases: Model & Implementation
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
NAOS - Efficient and Modular Reactive Capabilities in an Object-Oriented Database System
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
High speed and robust event correlation
IEEE Communications Magazine
EventScript: an event-processing language based on regular expressions with actions
Proceedings of the 2008 ACM SIGPLAN-SIGBED conference on Languages, compilers, and tools for embedded systems
Industry experience with the IBM Active Middleware Technology (AMiT) Complex Event Processing engine
Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems
A taxonomy and representation of sources of uncertainty in active systems
NGITS'06 Proceedings of the 6th international conference on Next Generation Information Technologies and Systems
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Reactive applications are applications that include a substantial processing that is triggered by events. This paper describes an application development tool that resolves a major problem in this area: the gap that exists between events that are reported by various channels, and the reactive situations that are the cases to which the system should react. These situations are composition of events or other situations (e.g. "when at least four events of the same type occurred") or content filtering on events (e.g. "only events that relates to IBM stocks") or both ("when at least four purchases of more than 50,000 shares have been performed on IBM stocks in a single week"). The paper describes the generic application development tool that is being developed within Amit (active middleware technologies) project in HRL, describes its language and features and demonstrate some of its capabilities using examples.