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CORR
2012
Springer
250views Education» more  CORR 2012»
12 years 4 months ago
Mining Attribute-structure Correlated Patterns in Large Attributed Graphs
In this work, we study the correlation between attribute sets and the occurrence of dense subgraphs in large attributed graphs, a task we call structural correlation pattern minin...
Arlei Silva, Wagner Meira Jr., Mohammed J. Zaki
IJCNN
2006
IEEE
14 years 2 months ago
A Heuristic for Free Parameter Optimization with Support Vector Machines
— A heuristic is proposed to address free parameter selection for Support Vector Machines, with the goals of improving generalization performance and providing greater insensitiv...
Matthew Boardman, Thomas P. Trappenberg
ESWA
2007
131views more  ESWA 2007»
13 years 8 months ago
Case-based selection of initialisation heuristics for metaheuristic examination timetabling
Examination timetabling problems are often solved by a two-phase procedure combining a sequential construction heuristic with a metaheuristic improvement search. There can be many...
Sanja Petrovic, Yong Yang, Moshe Dror
ITS
2004
Springer
153views Multimedia» more  ITS 2004»
14 years 2 months ago
Modeling Students' Reasoning About Qualitative Physics: Heuristics for Abductive Proof Search
Abstract. We describe a theorem prover that is used in the Why2Atlas tutoring system for the purposes of evaluating the correctness of a student’s essay and for guiding feedback ...
Maxim Makatchev, Pamela W. Jordan, Kurt VanLehn
CNSR
2004
IEEE
180views Communications» more  CNSR 2004»
14 years 11 days ago
The Reconstruction of User Sessions from a Server Log Using Improved Time-Oriented Heuristics
Web usage mining plays an important role in the personalization of Web services, adaptation of Web sites, and the improvement of Web server performance. It applies data mining tec...
Jie Zhang, Ali A. Ghorbani