Summary: Graph Grammars: An ITS Technology for Diagram Representations
Niels Pinkwart1
, Kevin D. Ashley2
, Vincent Aleven3
and Collin Lynch4
1
Clausthal University of Technology, Department of Informatics, Germany
2
University of Pittsburgh, LRDC and School of Law, Pittsburgh PA, USA
3
Carnegie Mellon University, HCI Institute, Pittsburgh PA, USA
4
University of Pittsburgh, Intelligent Systems Program, Pittsburgh PA, USA
niels.pinkwart@tu-clausthal.de
Abstract
For many educational applications such as learning tools for
argumentation, structured diagrams are a suitable form of
external representation. However, student-created graphs
pose some problems to ITS designers, especially in defined
domains. This paper demonstrates a graph-grammar-based

Source: Aleven, Vincent - Human Computer Interaction Institute, School of Computer Science, Carnegie Mellon University

Collections: Computer Technologies and Information Sciences