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SIGMOD
2009
ACM
235views Database» more  SIGMOD 2009»
16 years 5 months ago
Quality and efficiency in high dimensional nearest neighbor search
Nearest neighbor (NN) search in high dimensional space is an important problem in many applications. Ideally, a practical solution (i) should be implementable in a relational data...
Yufei Tao, Ke Yi, Cheng Sheng, Panos Kalnis
ICDM
2003
IEEE
130views Data Mining» more  ICDM 2003»
15 years 10 months ago
Information Theoretic Clustering of Sparse Co-Occurrence Data
A novel approach to clustering co-occurrence data poses it as an optimization problem in information theory which minimizes the resulting loss in mutual information. A divisive cl...
Inderjit S. Dhillon, Yuqiang Guan
CEC
2008
IEEE
15 years 11 months ago
Differential evolution for discrete optimization: An experimental study on Combinatorial Auction problems
: Differential evolutionary (DE) mutates solution vectors by the weighted difference of other vectors using arithmetic operations. As these operations cannot be directly extended t...
Jingqiao Zhang, Viswanath Avasarala, Arthur C. San...
CEC
2008
IEEE
15 years 11 months ago
A self-adaptive cellular memetic algorithm for the DNA fragment assembly problem
Abstract— The DNA fragment assembly problem is to reconstruct a DNA chain from multiple fragments that have previously been sequenced in a laboratory. This is a critical step in ...
Bernabé Dorronsoro, Enrique Alba, Gabriel L...
ECMDAFA
2010
Springer
228views Hardware» more  ECMDAFA 2010»
15 years 8 months ago
Example-Based Sequence Diagrams to Colored Petri Nets Transformation Using Heuristic Search
Dynamic UML models like sequence diagrams (SD) lack sufficient formal semantics, making it difficult to build automated tools for their analysis, simulation and validation. A commo...
Marouane Kessentini, Arbi Bouchoucha, Houari A. Sa...