| Vol-450 Copyright © 2009 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. Re-publication of material from this volume requires permission by the copyright owners.

# Alberto Mendelzon International Workshop on
Foundations of Data Management (AMW09)

### Proceedings of the 3rd Alberto Mendelzon International Workshop on Foundations of Data Management
Arequipa, Peru, May 12-15, 2009.

Edited by

### Marcelo Arenas *
Leopoldo Bertossi #

* Pontificia Universidad Catolica de Chile, Department of Computer Science, Vicuna Mackenna 4860, 7820436 Macul, Santiago, Chile
# Carleton University, School of Computer Science, Herzberg Building, 1125 Colonel By Drive, Ottawa, Canada K1S 5B6

## Table of Contents

1. Temporal Support in Sequential Pattern Mining
   Leticia I. Gomez, Bart Kuijpers and Alejandro A. Vaisman
2. Schema Design for Uncertain Databases
   Anish Das Sarma, Jeffrey Ullman and Jennifer Widom
3. Stop the Chase: Short Contribution
   Michael Meier, Michael Schmidt and Georg Lausen
4. From Database Repair Programs to Consistent Query Answering in Classical Logic (extended abstract)
   Leopoldo Bertossi
5. Using Patterns for Faster and Scalable Rewriting of Conjunctive Queries
   Ali Kiani and Nematollaah Shiri
6. Identifying Algebraic Properties to Support Optimization of Unary Similarity Queries
   Monica Ribeiro Porto Ferreira, Agma J. M. Traina, Ires Dias, Richard Chbeir and Caetano Traina Junior
7. Data Expiration and Aggregate Queries
   David Toman
8. Semantic Integrity Constraints for Spatial Databases
   Loreto Bravo and M. Andrea Rodriguez
9. T3: On Mapping Text To Time Series
   Tao Yang and Dongwon Lee
10. A Nested Graph Model for Visualizing RDF Data
    Renzo Angles
11. Consistent Query Answering in Data Warehouses
    Leopoldo Bertossi, Loreto Bravo and Monica Caniupan
12. Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
    Md. Anisur Rahman, Md. Mehedi Masud, Iluju Kiringa, and Abdulmotaleb El Saddik
13. Checking Containment of Schema Mappings (Preliminary Report)
    Andrea Cali and Riccardo Torlone

05-May-2009: submitted by Marcelo Arenas
05-May-2009: published on CEUR-WS.org