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SIGMOD
2010
ACM
154views Database» more  SIGMOD 2010»
15 years 6 months ago
Unbiased estimation of size and other aggregates over hidden web databases
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
Arjun Dasgupta, Xin Jin, Bradley Jewell, Nan Zhang...
ACL
2012
13 years 9 months ago
Social Event Radar: A Bilingual Context Mining and Sentiment Analysis Summarization System
Social Event Radar is a new social networking-based service platform, that aim to alert as well as monitor any merchandise flaws, food-safety related issues, unexpected eruption o...
Wen-Tai Hsieh, Chen Ming Wu, Tsun Ku, Seng-cho Tim...
GECCO
2007
Springer
185views Optimization» more  GECCO 2007»
16 years 22 days ago
Enhanced forma analysis of permutation problems
Forma analysis provides an approach to formally derive domain specific operators based on domain-independent operator templates by manipulating a set of equivalence relations (i....
Tao Gong, Andrew Tuson
GECCO
2005
Springer
207views Optimization» more  GECCO 2005»
16 years 2 days ago
Adaptive crossover and mutation in genetic algorithms based on clustering technique
Instead of having fixed px and pm, this paper presents the use of fuzzy logic to adaptively tune px and pm for optimization of power electronic circuits throughout the process. By...
Jun Zhang, Henry Shu-Hung Chung, Jinghui Zhong
CIVR
2006
Springer
144views Image Analysis» more  CIVR 2006»
15 years 10 months ago
A Linear-Algebraic Technique with an Application in Semantic Image Retrieval
Abstract. This paper presents a novel technique for learning the underlying structure that links visual observations with semantics. The technique, inspired by a text-retrieval tec...
Jonathon S. Hare, Paul H. Lewis, Peter G. B. Enser...