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» Querying Distributed Data in a Super-Peer Based Architecture
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INFFUS
2008
175views more  INFFUS 2008»
14 years 10 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
CIKM
2008
Springer
15 years 2 days ago
Tag data and personalized information retrieval
Researchers investigating personalization techniques for Web Information Retrieval face a challenge; that the data required to perform evaluations, namely query logs and clickthro...
Mark James Carman, Mark Baillie, Fabio Crestani
VLDB
2001
ACM
114views Database» more  VLDB 2001»
15 years 2 months ago
Distinct Sampling for Highly-Accurate Answers to Distinct Values Queries and Event Reports
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
Phillip B. Gibbons
CCGRID
2010
IEEE
14 years 9 months ago
An Adaptive Data Prefetcher for High-Performance Processors
—While computing speed continues increasing rapidly, data-access technology is lagging behind. Data-access delay, not the processor speed, becomes the leading performance bottlen...
Yong Chen, Huaiyu Zhu, Xian-He Sun
120
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EDBT
2009
ACM
165views Database» more  EDBT 2009»
14 years 8 months ago
Exploiting the power of relational databases for efficient stream processing
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...
Erietta Liarou, Romulo Goncalves, Stratos Idreos