Title	A Feature Selection Methods Based on Concept Extraction and SOM Text Clustering Analysis
Author	Lin Wang, Minghu Jiang, Shasha Liao, Yinghua Lu
Citation	Vol. 6  No. 1  pp. 20~28
Keywords	Concept Attributes, Self-Organizing Map, Clustering, Text Classification

Title	Combination of Bidirectional Conceptual Map and Genetic Algorithm for E-Learning Evaluation System
Author	Chin-Ling Lee, Cheng-Jian Lin
Citation	Vol. 6  No. 9  pp. 1-7
Keywords	E-learning, bidirectional concept, genetic algorithm

Title	A New Lattice Structure and Method for Extracting Association rules Based on Concept Lattice
Author	JiYe Liang, JunHong Wang
Citation	Vol. 6  No. 11  pp. 107-114
Keywords	Concept lattice, closed itemsets, frequent itemsets, association rules

Title	Nonrestrictive Concept-Acquisition by Representational Redescription
Author	Wei Hui, Yuan Liang
Citation	Vol. 6  No. 12  pp. 55-59
Keywords	Concept acquisition, Representational redescription, Knowledge representation