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» A Theory of Stream Queries
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SIGIR
2002
ACM
13 years 8 months ago
Predicting query performance
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
ICPADS
2008
IEEE
14 years 3 months ago
Integrating Sensor Streams in pHealth Networks
Personal Health (pHealth) sensor networks are generally used to monitor the wellbeing of both athletes and the general public to inform health specialists of future and often seri...
Mark Roantree, Dónall McCann, Niall Moyna
CIDR
2009
157views Algorithms» more  CIDR 2009»
13 years 10 months ago
Capturing Data Uncertainty in High-Volume Stream Processing
We present the design and development of a data stream system that captures data uncertainty from data collection to query processing to final result generation. Our system focuse...
Yanlei Diao, Boduo Li, Anna Liu, Liping Peng, Char...
ICDE
2008
IEEE
119views Database» more  ICDE 2008»
14 years 10 months ago
Toward Simulation-Based Optimization in Data Stream Management Systems
Abstract-- Our demonstration introduces a novel system architecture which massively facilitates optimization in data stream management systems (DSMS). The basic idea is to decouple...
Bernhard Seeger, Christoph Heinz, Jürgen Kr&a...
EDBT
2008
ACM
159views Database» more  EDBT 2008»
14 years 9 months ago
Automaton in or out: run-time plan optimization for XML stream processing
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
Hong Su, Elke A. Rundensteiner, Murali Mani