Sciweavers

353 search results - page 18 / 71
» A query index for continuous queries on RFID streaming data
Sort
View
BNCOD
2011
356views Database» more  BNCOD 2011»
12 years 8 months ago
Achieving High Freshness and Optimal Throughput in CPU-Limited Execution of Multi-join Continuous Queries
Due to high data volumes and unpredictable arrival rates, continuous query systems processing expensive queries in real-time may fail to keep up with the input data streams - resul...
Abhishek Mukherji, Elke A. Rundensteiner, Matthew ...
WEBDB
2005
Springer
107views Database» more  WEBDB 2005»
14 years 1 months ago
Freshness-Aware Scheduling of Continuous Queries in the Dynamic Web
The dynamics of the Web and the demand for new, active services are imposing new requirements on Web servers. One such new service is the processing of continuous queries whose ou...
Mohamed A. Sharaf, Alexandros Labrinidis, Panos K....
ICDE
2007
IEEE
137views Database» more  ICDE 2007»
14 years 9 months ago
SAO: A Stream Index for Answering Linear Optimization Queries
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
Gang Luo, Kun-Lung Wu, Philip S. Yu
AICCSA
2005
IEEE
86views Hardware» more  AICCSA 2005»
14 years 1 months ago
Preemptive rate-based operator scheduling in a data stream management system
Data Stream Management Systems are being developed to process continuous queries over multiple data streams. These continuous queries are typically used for monitoring purposes wh...
Mohamed A. Sharaf, Panos K. Chrysanthis, Alexandro...
COMAD
2008
13 years 9 months ago
Runtime Optimization of Continuous Queries
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
Balakumar Kendai, Sharma Chakravarthy