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» Phenomenon-aware Stream Query Processing
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EDBT
2009
ACM
136views Database» more  EDBT 2009»
14 years 4 months ago
Rule-based multi-query optimization
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
Mingsheng Hong, Mirek Riedewald, Christoph Koch, J...
SIGMOD
2008
ACM
161views Database» more  SIGMOD 2008»
14 years 10 months ago
Efficient pattern matching over event streams
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
Jagrati Agrawal, Yanlei Diao, Daniel Gyllstrom, Ne...
COMAD
2008
13 years 11 months ago
Efficient Evaluation of Forward XPath Axes over XML Streams
Although many algorithms have been proposed for evaluating XPath queries containing un-ordered axes (child, descendant, parent and ancestor) against streaming XML data, there are ...
Abdul Nizar, P. Sreenivasa Kumar
SAC
2009
ACM
14 years 4 months ago
Adaptive burst detection in a stream engine
Detecting bursts in data streams is an important and challenging task. Due to the complexity of this task, usually burst detection cannot be formulated using standard query operat...
Marcel Karnstedt, Daniel Klan, Christian Pöli...
SIGMOD
2007
ACM
188views Database» more  SIGMOD 2007»
14 years 10 months ago
Keyword search on relational data streams
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
Alexander Markowetz, Yin Yang, Dimitris Papadias