Event Date/Time: Nov 16, 2002
Abstract Submission Date: Nov 18, 2002
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The International User Modeling Conferences are the events at which research foundations are being laid for the personalization of computer systems. In the last 15 years, the field of User Modelling has produced significant new theories and methods to analyze and model computer users in short and long-term interactions. A user model is an explicit representation of properties of individual users or user classes. It allows the system to adapt its performance to user needs and preferences. Methods for personalizing human-computer interaction based on user models have been successfully developed, applied and evaluated in a number of domains, such as information filtering, e-commerce, adaptive natural language and hypermedia presentation and tutoring systems.

New trends in HCI create new and interesting challenges for User Modeling. While consolidating results in traditional domains of interest, the User Modeling field now also addresses problems of personalized interaction in mobile, ubiquitous and context-aware computing and in user interactions with embodied, autonomous agents. It also considers adaptation to user attitudes and affective states.

Previous successes in User Modeling research reflect the cooperation of researchers in different fields, including artificial intelligence, human-computer interaction, education, cognitive psychology and linguistics. The International User Modeling Conferences are characterized by active participation of people from these areas and by lively discussions in a pleasant environment. UM'03 is the latest in a conference series begun in 1986, and follows recent meetings in Sonthofen (2001), Banff (1999), Sardinia (1997), Hawaii (1996) and Cape Cod (1994). As in past conferences, UM'03 offers the following forms of participation: tutorials, invited talks, paper and poster sessions, a doctoral consortium, workshops and system demonstrations.

include, but are not limited to:
* theoretical issues of user modeling:
inference techniques (neural networks, numerical uncertainty management,logic-based formalisms, machine learning); consistency checking;

* construction of user and system models:
cognitive modeling (user knowledge, beliefs, goals); plan recognition; modeling of affective factors, social aspects and attitudes; machine learning/data mining; group modeling; empirical methods to observe user behavior; user modeling agents;

* exploitation of user models to achieve: adaptive information filtering and retrieval; personalized natural language understanding and generation;natural dialogues; adaptation of pedagogical strategies; support of collaboration; delegation of tasks from user to system;interface adaptation; adaptive/personalized web interactions;

* personalization in new paradigms of interaction: mobile computing; ubiquitous computing;embodied animated agents;

* applications of user modeling techniques to systems: support of users with special needs; intelligent interfaces; intelligent tutoring systems and learning environments; on-line help environments;e-commerce; adaptive, dynamic hypermedia; personalized TV; interface agents; support of end-user-programming;

* practical issues of user modeling: privacy and security; user modeling architectures; empirical and other evaluation methods.

Papers and Posters:
Submissions are invited that describe original academic or industrial research on some aspect of user modeling. Following the past User Modeling conferences the proceedings of UM?2003 will be published by Springer-Verlag in Lecture Notes in Artificial Intelligence (LNAI/LNCS). The paper and poster submissions should follow as close as possible the Springer LNCS format and should be submitted electronically as PDF or Postscript files. For instructions on the LNCS paper format, see http://www.springer.de/comp/lncs/authors.html. The page limit is 10 pages for paper submissions and 3 pages for posters. Please indicate whether the first (or main) author is a student to qualify for the best student award. Detailed submission instructions and a submission form will be available on the conference web site http://www2.sis.pitt.edu/~um2003/.

Workshops and Tutorials
The purpose of the workshops is to provide an informal forum for practitioners and researchers to discuss novel applications and techniques of user modeling. The formats of the workshops will be determined by their organizers, who are encouraged to foster discussion and exchange of ideas by including mechanisms other than traditional paper presentations, differentiating their workshops clearly from typical conference sessions. All workshops will last either one-half day or (preferably) a full day.

The purpose of a tutorial is either to offer an introduction to a fairly broad topic for newcomers to user modeling or to enable experienced participants to deepen their knowledge of a more specific topic. Each tutorial will last one-half day. Detailed submission instructions for workshop proposals and tutorials are be available from the conference web site http://www2.sis.pitt.edu/~um2003.

Doctoral Consortium
Continuing a tradition that started in 1994, the UM Doctoral Consortium aims to provide qualified Ph.D. students with the opportunity to present their on-going research to the UM community. The Doctoral Consortium is a great forum to receive useful feedback from a knowledgeable audience, to exchange ideas, compare approaches and meet fellow researchers in the field. Submissions should describe Ph.D. research that is at a stage where feedback from the broader UM community might be of value. Thus, we expect students to be close to make their research proposal, or to have made it but have at least a year of work remaining before completion of their thesis. Submissions must be a maximum of three pages (including references) and should clearly specify: (i) the problem(s) that the proposed research is addressing (ii) the main contribution(s) of the research to the UM field (iii) the proposed solution(s), including a brief description of work already done and a tentative plan for future work. Detailed submission instructions will be available from the conference web site http://www2.sis.pitt.edu/~um2003/

Following UM conference series practice, UM?03 conference will be held at the Conference Center at the University of Pittsburgh at Johnstown (http://www.pitt.edu/~ccupj/). The center is tucked into 650 acres of beautiful woodlands in the Laurel Highlands of Pennsylvania, a region well known for its hiking, biking, and whitewater opportunities as well as for several world-class attractions such as Frank Lloyd Wright's Fallingwater. (http://www.paconserve.org/).

Conference Chair:
Peter Brusilovsky, University of Pittsburgh, USA

Program Co-Chairs:
Albert Corbett, Carnegie Mellon University, USA
Fiorella de Rosis, University of Bari, Italy

Doctoral Consortium Co-Chairs:
Sandra Carberry, University of Delaware, USA
Cristina Conati, University of British Columbia, Canada

Workshop Co-Chairs:
Frank Wittig, Saarland University, Germany
Anthony Jameson, DFKI, Germany

Program Committee:
David Albrecht, Australia
Liliana Ardissono, Italy
Mathias Bauer, Germany
Sandra Carberry, USA
Noelle Carbonell, France
Keith Cheverst, UK
David Chin, USA
Cristina Conati, Canada
Piotr Gmytrasiewicz, USA
Brad Goodman, USA
Haym Hirsh, USA
Kristina Höök, Sweden
Eric Horvitz, USA
Anthony Jameson, Germany
Judy Kay, Australia
Alfred Kobsa, USA
Antonio Krüger, Germany
Diane Litman, USA
Gordon McCalla, Canada
Kathleen McCoy, USA
Antonija Mitrovic, New Zealand
Riichiro Mizoguchi, Japan
Helen Pain, UK
Cécile Paris, Australia
Barry Smyth, Ireland
Constantine Stephanidis, Greece
Carlo Tasso, Italy
Julita Vassileva, Canada
Gerhard Weber, Germany
Ingrid Zukerman, Australia

Local Advisory Committee:
Christian Lebiere, Carnegie Mellon University
Ken Koedinger, Carnegie Mellon University
Jack Mostow, Carnegie Mellon University

Publicity Chair:
Ayse Goker, The Robert Gordon University, UK

Chair: Peter Brusilovsky
School of Information Sciences
University of Pittsburgh
135 North Bellefield Avenue
Pittsburgh, PA 15260
email: peterb@pitt.edu
Tel.: +1 (412) 624 9404

UM03 is being organized under the auspices of User Modeling, Inc. The list of sponsors currently includes Microsoft, Kluwer Academic Publishers, and James Chen Family.