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» Runtime Optimization of Continuous Queries
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INFFUS
2008
175views more  INFFUS 2008»
14 years 11 months ago
Adaptive optimization of join trees for multi-join queries over sensor streams
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
Joseph S. Gomes, Hyeong-Ah Choi
EDBT
2011
ACM
209views Database» more  EDBT 2011»
14 years 3 months ago
An optimal strategy for monitoring top-k queries in streaming windows
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
Di Yang, Avani Shastri, Elke A. Rundensteiner, Mat...
ICDE
2007
IEEE
104views Database» more  ICDE 2007»
15 years 6 months ago
Dynamic Metadata Management for Scalable Stream Processing Systems
Adaptive query processing is of utmost importance for the scalability of data stream processing systems due to the long-running queries and fluctuating stream characteristics. An...
Michael Cammert, Jürgen Krämer, Bernhard...
ADC
2005
Springer
114views Database» more  ADC 2005»
15 years 5 months ago
Optimization of Relational Preference Queries
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
Bernd Hafenrichter, Werner Kießling
EMSOFT
2005
Springer
15 years 5 months ago
Semantics-based optimization across uncoordinated tasks in networked embedded systems
Microservers are networked embedded devices that accept user tasks on demand and execute them on real world information collected by sensors. Sharing intermediate sensing and comp...
Jie Liu, Elaine Cheong, Feng Zhao