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# CLA 2004
Concept Lattices and their Applications

### Proceedings of the CLA 2004 International Workshop on
Concept Lattices and their Applications
Ostrava, Czech Republic, September 23-24, 2004.

Edited by

### Vaclav Snasel *
Radim Belohlavek #

* Amphora Research Group, Department of Computer Science, VSB-Technical University of Ostrava, Ostrava, Czech Republic
# Department of Computer Science, Palacky University, Olomouc, Czech Republic

## Table of Contents

1. A Semi-automatic Method to Ontology Design by Using FCA
   Hele-Mai Haav
2. A Fuzzy FCA-based Approach to Conceptual Clustering for Automatic Generation of Concept Hierarchy on Uncertainty Data
   Thanh Tho Quan, Siu Cheung Hui, Tru Hoang Cao
3. The Basic Theorem on Generalized Concept Lattice
   Stanislav Krajci
4. Emulating a Cooperative Behavior in a Generic Association Rule Visualization Tool
   I. Nsir, S. Ben Yahia, E. Mephu Nguifo
5. Fast Factorization of Concept Lattices by Similarity: Solution and an Open Problem
   Radim Belohlavek, Jiri Dvorak, Jan Outrata
6. Concept Lattices Constrained by Equivalence Relations
   Radim Belohlavek, Vladimir Sklenar, Jiri Zacpal
7. A new Informative Generic Base of Association Rules
   Gh. Gasmi, S. Ben Yahia, E. Mephu Nguifo, Y. Slimani
8. The Fuzzy Classifier by Concept Localization in a Lattice of Concepts
   S. Elloumi, Ch. Ben Youssef, S. Ben Yahia
9. Binary Factor Analysis with Help of Formal Concepts
   Ales Keprt, Vaclav Snasel
10. Concept Lattice Generation by Singular Value Decomposition
    Petr Gajdos, Pavel Moravec, Vaclav Snasel
11. Ontology Design with Formal Concept Analysis
    Marek Obitko, Vaclav Snasel, Jan Smid
12. Using Concept Formal Analysis for Cooperative Information Retrieval
    Ibtissem Nafkha, Samir Elloumi, Ali Jaoua
13. Planarity of Additively Drawn Concept Lattices
    Christian Zschalig

submitted by V. Snasel, September 6, 2004