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» Optimizing Frequency Queries for Data Mining Applications
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ICDE
1999
IEEE
151views Database» more  ICDE 1999»
14 years 10 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
BTW
2007
Springer
154views Database» more  BTW 2007»
14 years 3 months ago
Integrating Query-Feedback Based Statistics into Informix Dynamic Server
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
Alexander Behm, Volker Markl, Peter J. Haas, Kesha...
BMCBI
2010
120views more  BMCBI 2010»
13 years 9 months ago
Modeling expression quantitative trait loci in data combining ethnic populations
Background: Combining data from different ethnic populations in a study can increase efficacy of methods designed to identify expression quantitative trait loci (eQTL) compared to...
Ching-Lin Hsiao, Ie-Bin Lian, Ai-Ru Hsieh, Cathy S...
IDEAS
2006
IEEE
100views Database» more  IDEAS 2006»
14 years 3 months ago
Data-Driven Publication of Relational Databases
The paper presents a framework for publishing relational databases in textual documents such as mails, HTML pages, LATEX or BibTex files, plain texts, etc. The publication proces...
Sonia Guehis, Philippe Rigaux, Emmanuel Waller
EDBT
2006
ACM
129views Database» more  EDBT 2006»
14 years 9 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao