---------------------------------------- SIGIR'95 PROGRAM ---------------------------------------- REGISTRATION TIMES Registration will take place at the following times: Saturday, July 8: 4:00 p.m. - 8:00 p.m. Sunday, July 9: 8:00 a.m. - 10:00 a.m. 1:00 p.m. - 3:00 p.m. 5:00 p.m. - 7:00 p.m. Monday, July 10: 8:00 a.m. - Noon Tuesday, July 11: 8:00 a.m. - 10:00 a.m. Wednesday, July 12: 8:00 a.m. - 10:00 p.m. 5:00 p.m. - 7:00 p.m. Thursday, July 13: 8:00 a.m. - Noon ---------------------------------------- Saturday, July 8 8:00 a.m. - 6:00 p.m. Tour to Mount Rainier (from the Sheraton's lobby) ---------------------------------------- Sunday, July 9 8:30 a.m. - 12:30 p.m. TUTORIALS INTRODUCTION TO INFORMATION RETRIEVAL Peter Willett, University of Sheffield and Peter Ingwersen, Royal School of Librarianship, Copenhagen QUERY-DOCUMENT SYMMETRY AND DUALITY Stephen Robertson, City University, London WHAT DIFFERENCES ARE SIGNIFICANT? STATISTICAL ANALYSIS OF IR TESTS Jean Tague-Sutcliffe, James Blustein, University of Western Ontario, and Paul Kantor, Rutgers University 1:30 p.m. - 5:30 p.m. TUTORIALS EVALUATION OF IR SYSTEMS William Hersh, Oregon Health Sciences University and Micheline Hancock-Beaulieu, City University, London DESIGNING INFORMATION FOR THE COMPUTER SCREEN Paul Kahn, Dynamic Diagrams DATA FUSION IN IR Paul Kantor, Rutgers University 6:00 p.m. - 8:00 p.m. RECEPTION Celebrating the 50th anniversary of Vannevar Bush's "As We May Think" --------------------------------------- Monday, July 10 7:30 a.m. - 8:30 a.m. Newcomers breakfast 8:45 a.m. - 10:00 a.m. SESSION 1 Chair: Raya Fidel Opening remarks: Edward Fox Keynote Address: DIGITAL VS. LIBRARIES: BRIDGING THE TWO CULTURES Terry Winograd, Stanford University New projects under the label Digital Libraries illustrate the issues involved in the interaction between the computing research community and the library community. Prof. Winograd will discuss these issues and suggest some potential directions for building standards and systems that can bridge the gap between the two cultures. 10:30 a.m. - 12:00 p.m. SESSION 2 DISTRIBUTED IR AND THE INTERNET (Chair: Paul Lindner) Netserf: Using Semantic Knowledge to Find Internet Information Archives Anil S. Chakravarthy, Kenneth B. Haase, MIT Media Laboratory, USA Dissemination of Collection Wide Information in a Distributed Information Retrieval System Charles L. Viles, James C. French, U. of Virginia, USA Searching Distributed Collections with Inference Networks James P. Callan, Zhihong Lu, W. Bruce Croft, U. Mass. Amherst, USA 1:30 p.m. - 2:30 p.m. SESSION 3 EFFICIENCY TECHNIQUES (Chair: Peter Willett) Fast Evaluation of Structured Queries for Information Retrieval Eric W. Brown, U. Mass. Amherst, USA Efficient Recompression Techniques for Dynamic Full-Text Retrieval Systems Shmuel T. Klein, Bar-Ilan U., Israel 2:30 p.m. - 3:30 p.m. SESSION 4 ADVANCED SYSTEMS (Chair: IJsbrand Jan Aalbersberg) Design of a Reusable IR Framework Gabriele Sonnenberger, Hans-Peter Frei, Union Bank of Switzerland Parallel Text Retrieval on a High Performance Super Computer Using the Vector Space Model Pavlos Efraimidis, Christos Glymidakis, Basilis Mamalis, Paul Spirakis, Basil Tampakas, University of Patras, Greece 2:30 p.m. - 3:30 p.m. SESSION 5 TEXT SUMMARIZATION (Chair: Karen Sparck-Jones) A Trainable Document Summarizer Julian Kupiec, Jan Pedersen, Francine Chen, Xerox Palo Alto Research Center, USA Generating Summaries of Multiple News Articles Kathleen McKeown, Dragomir R. Radev, Columbia U., USA 4:00 p.m. - 5:30 p.m. SESSION 6 INTEGRATING STRUCTURED AND UNSTRUCTURED INFORMATION (Chair: E. J. Yannakoudakis) Integrating IR and RDBMS Using Cooperative Indexing Samuel DeFazio, Amjad Daoud, Lisa Ann Smith, Jagannathan Srinivasan, Oracle Corporation, and W. Bruce Croft, Jamie Callan, U. Mass. Amherst, USA A Language for Queries on Structure and Contents of Textual Databases Gonzalo Navarro, Ricardo Baeza-Yates, Universidad de Chile An NF2 Relational Interface For Document Retrieval, Restructuring and Aggregation Kalervo Jarvelin, Timo Niemi, U. of Tampere, Finland 4:00 p.m. - 5:30 p.m. SESSION 7 NATURAL LANGUAGE PROCESSING (Chair: Haruo Kimoto) Fast and Quasi-Natural Language Search for Gigabits of Chinese Texts Lee-Feng Chien, Academia Sinica, Taiwan A New Character-based Indexing Organization using Frequency Data for Japanese Documents Yasushi Ogawa, Ricoh Co., Ltd., Japan Little Words Can Make a Big Difference for Text Classification Ellen Riloff, U. of Utah, USA 5:30 p.m. - 10:00 p.m. DEMONSTRATIONS 5:30 p.m. - 10:00 p.m. POSTER SESSION 6:00 p.m. - 8:00 p.m. RECEPTION --------------------------------------- Tuesday, July 11 9:00 a.m. - 10:00 a.m. SESSION 8 Chair: Peter Ingwersen Keynote Address EVALUATION OF EVALUATION IN INFORMATION RETRIEVAL Tefko Saracevic, Rutgers University A historical overview of evaluation of IR systems and processes and its accomplishments and shortcomings in comparison to evaluation of related information systems such as libraries and expert systems. Prof. Saracevic will show how IR evaluation has developed into two distinct streams of theoretical and experimental work: algorithm-oriented and user-oriented approaches. 10:30 a.m. - 12:00 p.m. SESSION 9 USER STUDIES (Chair: Phil Smith) Searchers and Searchers: Differences between the Most and Least Consistent Searchers Mirja Iivonen, U. of Tampere, Finland Information Processing in the Context of Medical Care Valerie Florance, U. of Rochester Medical Center, and Gary Marchionini, U. of Maryland, USA Towards New Measures of Information Retrieval Evaluation William R. Hersh, Diane L. Elliot, David H. Hickam, Stephanie L. Wolf, Oregon Health Sciences U., USA and Anna Molnar, Christine Leichtenstien, U. of Ulm, Germany 10:30 a.m. - 12:00 p.m. SESSION 10 FUSION STRATEGIES (Chair: Richard Tong) Learning Collection Fusion Strategies Ellen M. Voorhees, Narendra K.Gupta, Ben Johnson-Laird, Siemens Corporate Research, Inc., USA Combining Multiple Evidence from Different Properties of Weighting Schemes Joon Ho Lee, Cornell University, USA Efficient Processing of Vague Queries using a Data Stream Approach Ulrich Pfeifer, Robert Fuhr, U. of Dortmund, Germany 1:30 p.m. - 2:30 p.m. SESSION 11 SEARCH INTERFACES (Chair: Maristella Agosti) Document Analysis for Visualization David Dubin, U. of Pittsburgh, USA Improving the Information Search Interface: the case for two search models Sylvia Willie, Peter Bruza, Queensland U. of Tech., Australia 2:30 p.m. - 3:30 p.m. SESSION 12 PANEL ON FUNDING FOR IR RESEARCH (Chair: Efthimis Efthimiadis) Panelists: Maria Zemankova, National Science Foundation, USA Milton Corn, National Library of Medicine, USA 2:30 p.m. - 3:30 p.m. SESSION 13 COGNITION AND ASSOCIATION (Chair: Rik Belew) The Newspaper Image Database: Empirical Supported Analysis of Users' Typology and Word Association Clusters Susanne Ornager, Royal School of Librarianship, Denmark Human Memory Models and Term Association Gerda Ruge, Sietec, Germany 4:00 p.m. - 5:30 p.m. SESSION 14 AUTOMATIC CLASSIFICATION (Chair: Ray Larson) A Comparison of Classifiers and Document Representations for the Routing Problem Hinrich Schutze, Xerox Palo Alto Research Center, USA, David A. Hull, Rank Xerox Research Center, France, Jan Pedersen, Xerox Palo Alto Research Center, USA A Case-Based Approach To Intelligent Information Retrieval Jody J. Daniels, Edwina L. Rissland, U. Mass. Amherst, USA Evaluating and Optimizing Autonomous Text Classification Systems David D. Lewis, AT&T Bell Laboratories, USA 7:00 p.m. - 10:00 p.m. BANQUET HOSTED BY MICROSOFT --------------------------------------- Wednesday, July 12 8:30 a.m. - 10:00 a.m. SESSION 15 TEXT CATEGORIZATION (Chair: Elizabeth D. Liddy) Noise Reduction in a Statistical Approach to Text Categorization Yiming Yang, Mayo Clinic, USA Partial Orders for Document Representation: A New Methodology for Combining Document Features Steven Finch, U. of Edinburgh, Scotland Cluster-Based Text Categorization: A Comparison of Category Search Strategies Makato Iwayama, Hitachi Ltd., Takenobu Tokunaga, Tokyo Inst. of Tech., Japan 8:30 a.m. - 10:00 a.m. SESSION 16 RETRIEVAL LOGIC (Chair: Fabrizio Sebastiani) Probabilistic Datalog - A Logic For Powerful Retrieval Methods Norbert Fuhr, U. of Dortmund, Germany Probability Kinematics in Information Retrieval F. Crestani, U. Padova, Italy, C.J. Van Rijsbergen, U. of Glasgow, Scotland An Image Retrieval Model Based on Classical Logic Carlo Meghini, Istituto di Elaborazione Dell'Informazione, Italy 10:30 a.m. - 12:00 p.m. SESSION 17 PANEL ON EDUCATION FOR IR (Chair: Kazem Taghva) Panelists: Edward Fox, Virginia Tech, USA Stephen Robertson, City University, London, England Nicholas Belkin, Rutgers University, USA 12:00 p.m. - 2:00 p.m. ACM SIGIR ANNUAL GENERAL MEETING (lunch provided) 2:00 p.m. - 3:30 p.m. SESSION 18 TERM STATISTICS (Chair: Donna Harman) One Term Or Two? Kenneth W. Church, AT&T Bell Laboratories, USA Detecting Content-Bearing Words by Serial Clustering A. Bookstein, U. of Chicago, USA, S.T. Klein, Bar-Ilan U., Israel, T. Raita, U. of Turku, Finland Applying Probabilistic Term Weighting to OCR Text in the Case of a Large Alphabetic Library Catalogue Elke Mittendorf, Peter Schauble, Paraic Sheridan, Swiss Federal Inst. of Tech. (ETH), Switzerland 4:00 p.m. - 5:30 p.m. SESSION 19 FEEDBACK METHODS (Chair: Howard Turtle) Relevance Feedback With Too Much Data James Allan, U. Mass. Amherst, USA On the Reuse of Past Optimal Queries Vijay V. Raghavan, Hayri Sever, U. of Southwestern Louisiana, USA Optimization of Relevance Feedback Weights Chris Buckley, Gerard Salton, Cornell U., USA 5:30 p.m. CONFERENCE CLOSE 6:00 p.m. - 10:45 p.m. TILLICUM VILLAGE TOUR AND DINNER --------------------------------------- Thursday, July 13 8:30 a.m. - 3:00 p.m. POST-CONFERENCE RESEARCH WORKSHOPS: VIRI: VISUAL INFORMATION RETRIEVAL INTERFACES Z39.50 AND THE IR RESEARCH COMMUNITY INFORMATION RETRIEVAL AND DATABASES CURRICULUM DEVELOPMENT IN COMPUTER INFORMATION SCIENCE IR AND AUTOMATIC CONSTRUCTION OF HYPERMEDIA 4:00 p.m. - 7:00 p.m. A TOUR TO UNIVERSITY OF WASHINGTON --------------------------------------- Friday, July 14 7:00 a.m. - 10:00 p.m. A TOUR TO VICTORIA, BRITISH COLUMBIA, CANADA