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» An Empirical Study of Query Specificity
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JMLR
2010
125views more  JMLR 2010»
13 years 2 months ago
Maximum Likelihood in Cost-Sensitive Learning: Model Specification, Approximations, and Upper Bounds
The presence of asymmetry in the misclassification costs or class prevalences is a common occurrence in the pattern classification domain. While much interest has been devoted to ...
Jacek P. Dmochowski, Paul Sajda, Lucas C. Parra
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 8 months ago
Robust and efficient algorithms for rank join evaluation
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
Jonathan Finger, Neoklis Polyzotis
SIGIR
2006
ACM
14 years 1 months ago
A study of statistical models for query translation: finding a good unit of translation
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
Jianfeng Gao, Jian-Yun Nie
ICSE
2004
IEEE-ACM
14 years 7 months ago
An Empirical Comparison of Dynamic Impact Analysis Algorithms
Impact analysis -- determining the potential effects of changes on a software system -- plays an important role in software engineering tasks such as maintenance, regression testi...
Alessandro Orso, Taweesup Apiwattanapong, James La...
ICDE
2010
IEEE
172views Database» more  ICDE 2010»
14 years 2 months ago
Rule profiling for query optimizers and their implications
—Many modern optimizers use a transformation rule based framework. While there has been a lot of work on identifying new transformation rules, there has been little work focused ...
Surajit Chaudhuri, Leo Giakoumakis, Vivek R. Naras...