Transition network grammars for natural language analysis
Communications of the ACM
Understanding Natural Language
Understanding Natural Language
Artificial intelligence and automatic programming in CAI
IJCAI'73 Proceedings of the 3rd international joint conference on Artificial intelligence
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A computer-based instructional environment for students learning LISP is described. Its design includes a LISP Interpreter with an extended error-handling capability for evaluating functions written by students. Students can ask questions in natural language about LISP in general and concerning specific LISP functions which they have defined. A fuzzy parser interprets the student requests and builds a LISP function which operates on a semantic network to determine its response.