Program of the ECAI'02 Workshop on 
Machine Learning and Natural Language Processing
for Ontology Engineering

Monday, July 22, 2002

09:00 to 09:10

Welcome, registration

09:10 to 09:20


SESSION 1, terminology and ontology

09:20 to 10:00

How far Association Rules and Statistical Indices help Structure Terminology?
Hacène Cherfi, Yannick Toussaint, LORIA (Nancy, France)

10:00 to 10:20

Morning refreshments

10:20 to 11:00

Terminology Extraction from Text to Build an Ontology in Surgical Intensive Care
Sophie Le Moigno, Jean Charlet, Didier Bourigault, Patrice Degoulet,
Marie-Christine Jaulent, AP-HP et INSERM (Paris, France) et ERSS (Toulouse, France)

11:00 to 11:45

Invited speaker
Bruno Bachimont (INA and UTC, France)
From texts to conceptual structures: the gaps between texts, semantic descriptions and conceptual structures

11:45 to 12:20


12:20 to 14:00


SESSION 3, learning semantic relations from patterns

14:00 to 14:40

Automatic Acquisition of Hyponyms and Meronyms from Question Corpora
Häkan Sundblad, Dept. of Computer Science (Linköping, Sweden)

14:40 to 15:20

Information Extraction and Ontology Learning Guided by Web Directory
Martin Kavalec, Vojtèch Svàtek, DIKE, University of Economics (Prague, Czech Republic)

15:20 to 15:30


15:30 to 15:50

Afternoon refreshments

SESSION 2, learning semantic classes

15:50 to 16:30

Mapping Syntactic Dependencies onto Semantic Relations
Pablo Gamallo, Marco Gonzalez, Alexandre Agustini, Gabriel Lopes,
Vera S. de Lima, Universidade Nova de Lisboa (Portugal) and PUCRS (Brazil)

16:30 to 17:10

A Galois Lattice based Approach to Lexical Inheritance Hierarchy Learning
Caroline Sporleder, Univ. Edinburgh (U.K.)

17:10 to 17:50

Ontology and Lexicon Evolution by Text Understanding
Udo Hahn, Kornél G. Marko, TKE (Freiburg, Germany)

17:50 to 18:30 Discussion


Tuesday, July 23, 2002


8:45 to 9:30

Invited speaker
Roberto Basili

9:30 to 10:00 Discussion

10:00 to 10:20

Morning refreshments

SESSION 4, ontology enrichment and evolution

10:20 to 11:00

Combining Disambiguation Techniques to Enrich an Ontology
Mark Stevenson, Reuters Ltd. (London, U.K.)

11:00 to 11:40

A Differential Approach for Knowledge Management
Bernard Rothenburger, IRIT (Toulouse, France)

11:40 to 12:20

Final Discussion, concluding remarks, perspectives

12:20 to 14:00