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.
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Contents
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
Part VI. Information Search
Planning to Guide Concept Understanding in the WWW / 121
Seiji Yamada and Yukio Osawa
Part VII. Evaluating Web Data
From HTML to Usable Data: Problems in Meaning and Credibility in the WWW / 127
Joshua Grass and Shlomo Zilberstein
Part VIII. Information Extraction
Information Extraction from Online XML-encoded Documents / 132
Patricia Lutsky
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
Knowledge Base and Database Integration / 153
Alun Preece
Squeal: SQL Access to Information on the Web / 155
Ellen Spertus
Handling Inconsistency for Multi-Source Integration / 157
Sheila Tejada
Index
Craig Knoblock and Alon Levy
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