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CIKM
1999
Springer
13 years 12 months ago
Rule-Based Query Optimization, Revisited
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
Lane Warshaw, Daniel P. Miranker
KDD
2012
ACM
212views Data Mining» more  KDD 2012»
11 years 10 months ago
Harnessing the wisdom of the crowds for accurate web page clipping
Clipping Web pages, namely extracting the informative clips (areas) from Web pages, has many applications, such as Web printing and e-reading on small handheld devices. Although m...
Lei Zhang, Linpeng Tang, Ping Luo, Enhong Chen, Li...
ICDE
2002
IEEE
106views Database» more  ICDE 2002»
14 years 9 months ago
OSSM: A Segmentation Approach to Optimize Frequency Counting
Computing the frequency of a pattern is one of the key operations in data mining algorithms. We describe a simple yet powerful way of speeding up any form of frequency counting sa...
Carson Kai-Sang Leung, Raymond T. Ng, Heikki Manni...
ICDE
2012
IEEE
196views Database» more  ICDE 2012»
11 years 10 months ago
Scalable Multi-query Optimization for SPARQL
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
Wangchao Le, Anastasios Kementsietsidis, Songyun D...
BMCBI
2007
107views more  BMCBI 2007»
13 years 7 months ago
antiCODE: a natural sense-antisense transcripts database
Background: Natural antisense transcripts (NATs) are endogenous RNA molecules that exhibit partial or complete complementarity to other RNAs, and that may contribute to the regula...
Yifei Yin, Yi Zhao, Jie Wang, Changning Liu, Shugu...