1. A plan-based approach to speech act recognition;Allen,1979
2. Semantic grammar: An engineering technique for constructing natural language understanding systems;Burton;BBN Rep. 3453,1976
3. Bruce, B.C., Plans and social action, in: R. Spiro, B. Bruce and W. Brewer, Eds., Theoretical Issues in Reading Comprehension (Lawrence Erlbaum, Hillsdale, NJ, to appear).
4. On knowing what to say: Planning speech acts;Cohen,1978