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ADBIS
2004
Springer
94views Database» more  ADBIS 2004»
14 years 1 months ago
Formalization and Detection of Events over a Sliding Window in Active Databases Using Interval-Based Semantics
Trend analysis and forecasting applications (e.g., securities trading, stock market, and after-the-fact diagnosis) need event detection along a moving time window. Event-driven app...
Raman Adaikkalavan, Sharma Chakravarthy
ICDE
1999
IEEE
109views Database» more  ICDE 1999»
14 years 11 months ago
On the Semantics of Complex Events in Active Database Management Systems
Active database management systems have been developed for applications needing an automatic reaction in response to certain events. Events can be simple in nature or complex. Com...
Detlef Zimmer, Rainer Unland
EDBT
2010
ACM
177views Database» more  EDBT 2010»
14 years 4 months ago
Bridging the gap between intensional and extensional query evaluation in probabilistic databases
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
Abhay Jha, Dan Olteanu, Dan Suciu