Framework for interpreting handwritten strokes using grammars

To support the rapid development of pen-based structured diagram editors, we propose a framework for describing such editors. The framework uses grammar to describe the context, i.e., the positional relationship between handwritten strokes and other objects, which can be used to interpret ambiguous results of pattern matching, and to describe the syntax of the target diagrams. We implemented the framework by extending our visual system, which supports the rapid prototyping of structured diagram editors.