Interpreting imprecise diagrams

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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