Waugh, Kevin; Thomas, Pete and Smith, Neil
(2004). Interpreting imprecise diagrams.
In: Blackwell, Alan; Marriott, Kim and Shimojima, Atsushi eds.
Diagrammatic representation and inference: Third International Conference, Diagrams 2004, Cambridge, UK, March 22-24, 2004. Proceedings.
Lecture notes in computer science (2980).
Springer Berlin / Heidelberg, 239 -241.
Imprecise diagrams (those with malformed, missing, or extraneous features) occur in many situations. We propose a five-stage architecture for interpreting such diagrams and have implemented a tool, within this architecture, for automatically grading answers to examination questions. The approach is based on identifying (possibly malformed) minimal meaningful units and interpreting them to yield a meaningful result. Early indications are that the tools performance is similar to that of human markers.
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