| Vol-38 © 2001 for the individual papers by the papers' authors. Copying permitted for private and scientific purposes. Re-publication of material on this page requires permission by the copyright owners.

# IJCAI'2001 Workshop on

# Ontology Learning

### Proceedings of the Second Workshop on Ontology Learning OL'2001
Seattle, USA, August 4, 2001.

### Held in conjunction with the 17th International Conference on Artificial Intelligence IJCAI'2001, Seattle, USA

Edited by

### Alexander Maedche*
Steffen Staab*
Claire Nedellec #*
Ed Hovy

### * University of Karlsruhe, Institute AIFB, 76128 Karlsruhe, Germany
# Université Paris Sud, LRI, 91405-ORSAY, France
+ University of Southern California, Information Sciences Institute, California, USA

## Table of Contents

### Full Papers

> 1. Automatic Construction and Refinement of a Class Hierarchy over Semi-Structured Data
>    N. Pernelle, M-C. Rousset, V. Ventos.
> 2. Learning Ontologies from RDF annotations.
>    A. Delteil, C. Faron-Zucker, R. Dieng.
> 3. Acquiring Conceptual Relationships from Domain-Specific Texts
>    T. Yamaguchi.
> 4. Learning Relations Using Collocations.
>    G. Heyer, M. Läuter, U. Quasthoff, T. Wittig, C. Wolf
> 5. Rule Induction for Concept Hierarchy Alignment
>    R. Ichise, H. Takeda, S. Honiden

### Short/Position Papers

> 1. Knowledge Acquisition for Knowledge Management
>    C. Brewster, F.Ciravegna, Y. Wilks
> 2. Using Information Extraction Rules for Extending Domain Ontologies
>    M. Sintek, M. Junker, L. van Elst, A. Abecker
> 3. Template Driven Information Extraction for Populating Ontologies
>    M. Vargas-Vera, J. Domingue, Y.Kalfoglou, E. Motta, S. Buckingham-Shum
> 4. Acquisition of Ontological Knowledge from Canonical Documents
>    R. Malyankar
> 5. Combining Statistics and Semantics for Word and Document Clustering
>    A. Termier, M. Sebag, M.-C. Rousset
> 6. Constructing and Refining Ontologies within Explanation-Capable Agents
>    M. Minock
> 7. An Information Theoretic Approach for Ontology-based Interest Matching
>    W. Koh, L. Mui

submitted by A. Maedche, April 25, 2001.