AI and Information Integration

Papers from the AAAI Workshop

Craig Knoblock and Alon Levy, Program Chair

Technical Report WS-98-14 published by The AAAI Press, Menlo Park, California

This technical report is also available in book and CD format.

Please Note: Abstracts are linked to individual titles, and will appear in a separate browser window. Full-text versions of the papers are linked to the abstract text. Access to full text may be restricted to AAAI members. PDF file sizes may be large!

Part I. Semi-Structured Data Integration

The WHIRL Approach to Integration: An Overview / 1
William Cohen

Part II. Query Optimization

Efficiently Executing Information Gathering Plans / 9
Eric Lambrecht and Subbarao Kambhampati

Optimizing Information Agents by Selectively Materializing Data / 17
Naveen Ashish, Craig Knoblock, and Cyrus Shahabi

Query Planning with Disjunctive Sources / 23
Oliver Duschka and Michael Genesereth

Using Knowledge of Redundancy for Query Optimization in Mediators / 29
Vasiis Vassalos and Yannis Papakonstantinou

Part III. Representation

Ontobroker: How to Enable Intelligent Access to the WWW / 36
Dieter Fensel, Stefan Decker, Michael Erdmann, and Rudi Studer

Encapsulation and Composition of Ontologies / 43
Jan Jannink, Srinivasan Pichai, Danladi Verheijen, and Gio Wiederhold

Reading Between the Lines: Using SHOE to Discover Implicit Knowledge from the Web / 51
Jeff Heflin, James Hendler, and Sean Luke

Knowledge Representation Approach to Information Integration / 58
Diego Calvanese, Giuseppe De Giacomo, Maurizio Lenzerini, Daniele Nardi, and Riccardo Rosati

Part IV. Wrapper Learning

Initial Results on Wrapping Semistructured Web Pages with Finite-State Transducers and Contextual Rules / 66
Chun-Nan Hsu

STALKER: Learning Wrappers for Semistructured, Web-based Information Sources / 74
Ion Muslea, Steve Minton, and Craig Knoblock

Wrapper Induction: Efficiency and Expressiveness / 82
Nick Kushmerick

TrIAs--An Architecture for Trainable Information Assistants / 90
Mathias Bauer and Dietmar Dengler

Part V. Applications

Reasoning About Web-Site Structure / 98
Mary Fernandez, Daniela Florescu, Alon Levy and Dan Suciu

A Framework for Classifying Environmental Metadata / 106
Helena Galhardas, Eric Simon and Anthony Tomasic

Problems in Heterogeneous Knowledge Source Integration / 114
Terrence Harvey

Information Extraction and the Casual User / 137
Peter Vanderheyden and Robin Cohen

Part VIII. Research Statements

Flexible and Scalable Query Planning in Mediators / 143
Jose Luis Ambite

Statement of Interest / 145
Yigal Arens

WIP:. Warfighter Information Packaging / 147
Jon Dukes-Schlossberg, Yongwon Lee, Marc Zev, Costas Tsatsoulis, Huseyin Sevay, Yigal Arens, Hector Garcia-Molina, Michael Rys

Query Optimization and Caching / 149
Jarek Gryz

A Resource-Bounded Interpretation-Centric Approach to Information Gathering / 151
Victor Lesser, Bryan Horling, Frank Klassner, Anita Raja, Thomas Wagner, Shelley Zhang