| Vol-29 © 2000 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.

# Proceedings of the

| # 7th International Workshop on Knowledge Representation meets Databases (KRDB2000)

Berlin, Germany
August 21, 1999

### Edited by:
Mokrane Bouzeghoub, Universite de Versailles, France (`Mokrane.Bouzeghoub@prism.uvsq.fr`)
Matthias Klusch, German Research Center for Artificial Intelligence (DFKI), Germany (`klusch@dfki.de`)
Werner Nutt, German Research Center for Artificial Intelligence (DFKI), Germany (`nutt@dfki.de`)
Ulrike Sattler, LuFG Theoretical Computer Science, RWTH Aachen, Germany (`sattler@informatik.rwth-aachen.de`)

KRDB2000 is an affiliate event with European Conference on Artificial Intelligence (ECAI2000, Berlin, August 20 - 25, 2000),
shortly after the International Workshop on Description Logics (DL2000, Aachen, August 17 - 19, 2000).
KRDB2000 is supported by the International Workshop on Cooperative Information Agents (CIA-2000).

## Table of Contents

Preface

Semistructured data schemas with expressive constraints. A. Calì, D. Calvanese, and M. Lenzerini (3-16)

What is View-Based Query Rewriting? D. Calvanese, G. De Giacomo, M. Lenzerini, and M. Vardi (17-27)

Modelling Uncertainty in Physical Database Design. S. Choenni and H. Blanken (31-44)

The i.com tool for Intelligent Conceptual Modeling. E. Franconi and G. Ng (45-53)

How to decide Query Containment under Constraints using a Description Logic. I. Horrocks, U. Sattler, S. Tessaris, and S. Tobies (59-72)

Conceptual Modeling Using Conceptual Graphs G. Mineau, R. Missaoui, and R. Godin (73-86)

Inductive Classification Using Taxonomy I. Shioya and T. Miura (87-98)

What can XML do for textual information retrieval on the WEB? E. Nauer, R. Al Hulou, and A. Napoli (101-114)

Context Modeling and Transformation for Semantic Interoperability H. Stuckenschmidt and H. Wache (115-126)

Fast Computation of Concept lattices Using Data Mining Techniques G. Stumme, R. Taouil, Y. Bastide, N. Pasquier, and L. Lakhal (129-139)

VIGILANT: A semantic Model for Content and Event Based Indexing and Retrieval of Surveillance Video K. Zerzour, G. Frazier, and F. Marir (143-154)

submitted to CEUR-WS by Ulrike Sattler, July 11, 2000