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Tuesday, 22nd July

Session Tues2a (10.30--12.00): Tutorial Dialogs
Chair: Julita Vassileva, University of Saskatchewan, Canada

*A Tutorial Dialog System to Support Self-Explanation: Evaluation and Open Questions,
Vincent Aleven, Kenneth R. Koedinger, Octav Popescu
*Tracking Student Propositions in an Inquiry System,
Beverly Park Woolf, David Marshall, Matthew Mattingly, Joshua Lewis, Sean Wright, Michael Jellison, Tom Murray
*AutoTutor Improves Deep Learning of Computer Literacy: Is It the Dialog or the Talking Head?
Arthur C. Graesser, Kristen N. Moreno, Johanna C. Marineau, Amy B. Adcock, Andrew M. Olney, Nathalie K. Person

Session Tues2b (10.30--12.00): Non-Standard Interfaces and Novel Interaction Principles
Chair: Lewis Johnson, USC / Information Sciences Institute, USA

Out of the Box, but in the Zone? Can Digital Toy Technology Provide a more Able Peer for Young Learners?
Rosemarie Luckin, Daniel Connolly, Lydia Plowman, Sharon Airey
Interactive Pedagogical Drama for Health Interventions,
Stacey C. Marsella, W. Lewis Johnson, Catherine M. LaBore
Applying Formal Methods and Representations in a Natural Language Tutor to Teach Tactical Reasoning,
William R. Murray, Adam Pease, Michelle Sams

Session Tues3a (14.00--15.00): Student Modeling and Diagnosis
Chair: Dan Suthers, University of Hawai`i at Manoa, USA

**Student Model Accuracy using Inspectable Bayesian Student Models,
Juan-Diego Zapata-Rivera and Jim Greer
*Dynamic Visualization of Student Models Using Concept Maps,
Urko Rueda, Miguel Larragañaga, Ana Arruarte, Jon A. Elorriaga

Session Tues3b (14.00--15.00): Representational Issues in Collaborative Learning
Chair: Akira Takeuchi, Kyushu Institute of Technology, Japan

What Learning Patterns are Effective for a Learner's Growth?
Akiko Inaba, Mitsuru Ikeda, Riichiro Mizoguchi
Knowledge Modeling of Co-operative Learning Situations: Towards a UML Profile,
Thierry Nodenot, Pierre Laforcade, Christophe Marquesuzaà, Christian Salaberry

Session Tues4a (15.30--17.30): Tutors for Cognitive Tasks
Chair: Ken Koedinger, Carnegie Mellon University, USA

The Impact of Analysing Example Solutions on Problem Solving in a Pre-Algebra Tutor,
Albert Corbett, Angela Wagner, Jay Raspat
How to Teach it - Polya-Inspired Scenarios in ActiveMath,
Erica Melis and Carsten Ullrich
A Case-Based Adviser for Near-Miss Programs,
Hiroyoshi Watanabe, Kumiko Takai, Masayuki Arai, Shigeo Takei
SlideTutor: A Model-Tracing Intelligent Tutoring System for Teaching Microscopic Diagnosis,
Rebecca Crowley, Olga Medvedeva, Drazen Jukic

Session Tues4b (15.30--17.30): Knowledge Sharing and Learning Communities
Chair: Felisa Verdejo, UNED, Spain

Towards Web-Based Adaptive Learning Communities,
Elena Gaudioso and Jesús G. Boticario
A Case Study in Collaborative Modelling: Building Qualitative Models in Ecology,
Paulo Salles and Bert Bredeweg
**A Computational Approach to Analyzing Online Knowledge Sharing Interaction,
Amy Soller and Alan Lesgold
An Analysis of Group Performance in Terms of the Functional Knowledge and Teamwork Skills of Group Members,
Mike Winter and Gordon McCalla

Wednesday, 23rd July

Session Wed2a (10.30--12.00): Tutoring and Feedback Strategies
Chair: Pierre Tchounikine, University of Maine, France

**Recasting the Feedback Debate: Benefits of Tutoring Error Detection and Correction Skill,
Santosh Mathan and Kenneth R. Koedinger
A Method for Supporting English Composition by Animation as a Trigger for Reflection,
Hidenubi Kunichika, Tsukasa Hirashima, Akira Takeuchi
The Role of Why Questions in Effective Human Tutoring,
C.P. Rosé, D. Bhembe, S. Siler, R. Srivastava, K. VanLehn

Session Wed2b (10.30--12.00): Evaluation Studies with Intelligent Tutors
Chair: Judy Kay, University of Sydney, Australia

A Formative Evaluation of a Tutor for Scatterplot Generation: Evidence on Difficulty Factors,
Ryan Shaun Baker, Albert T. Corbett, Kenneth R. Koedinger, Michael P. Schneider
Web-Based Evaluations Showing both Cognitive and Motivational Benefits of the Ms. Lindquist Tutor,
Neil T. Heffernan
Comparing the Learning Effectiveness of REDEEM and CBT,
Shaaron Ainsworth, Ben Williams, David Wood

Session Wed3a (14.00--15.00): Support for Distance Learning
Chair: Rose Luckin, University of Sussex, UK

Synchronous Tutoring in Distance Learning. A Model for the Synchronous Pedagogical Monitoring of Distance Learning Activities,
Christophe Despres
CourseVis: Externalising Student Information to Facilitate Instructors in Distance Learning,
Riccardo Mazza and Vania Dimitrova

Session Wed3b (14.00--15.00): Multimedia and Agent Technologies
Chair: Jim Greer, University of Saskatchewan

*Content-Based Retrieval Systems for Personalization of Educational Videos,
Ankush Mittal, Kanishka Roychoudhury, Wing-Kin Sung
Agent Programmability in a Multi-Agent Learning Environment,
Yang Cao and Jim Greer

Thursday, 24rd July

Session Thu2a (10.30--12.00): Student Modeling and Diagnosis
Chair: Ulrich Hoppe, University of Duisburg, Germany

Automatic Categorization of Questions for a Mathematics Education Service,
Ken Williams, Rafael Calvo, David Bell
Abductive Theorem Proving for Analyzing Student Explanations,
Pamela W. Jordan, Maxim Makatchev, Kurt VanLehn
A Checking Algorithm for Visual Language Environments,
Kai Herrmann, Ulrich Hoppe, Niels Pinkwart

Session Thu2b (10.30--12.00): Hypermedia and Web-Based Tutoring
Chair: Kalina Yacef, University of Sydney, Australia

Is Strategy Instruction Effective in Facilitating Students' Ability to Regulate their Learning with Hypermedia?
Roger Azevedo, Jennifer G. Cromley, Fielding I. Winters, Liqun Yu, Debby Iny
A Web-Based Tutoring Tool with Mining Facilities to Improve Learning and Teaching,
Agathe Merceron and Kalina Yacef
Analyzing Navigation Data to Design Adaptive Navigation Support in Hypertext,
Sadhana Putambekar

Session Th3a (14.00--15.30):Engineering Principles for Educational Systems
Chair: Beverly Park Woolf, University of Massachusetts, USA

E-Learning Specifications in the Context of Instructional Planning,
Permanand Mohan and Jim Greer
Overcoming the Knowledge Engineering Bottleneck for Understanding Student Language Input,
Carolyn P. Rosé, Andy Gaidos, Brian S. Hall, Antonio Roque, Kurt VanLehn
A Study on a Framework and a Software to Design Technical Simulations,
Federico Tajariol, Jean-Michel Adam, Michel Dubois, Jean-Michel Cagnat

Session Th3b (14.00--15.30): Design Issues for Intelligent Learning Environments
Chair: Ray Kemp, Massey University, New Zealand

Rapid Assessment of Learners' Knowledge in Adaptive Learning Environments,
Slava Kalyuga
Proactive Acquisition from Tutoring and Learning Principles,
Jihie Kim and Yolanda Gil
ITS Domain Modelling: Art or Science,
Brent Martin and Antonija Mitrovic