1. Human engineering for applied natural language processing;Hendrix,1977
2. Natural language database query systems;Petrick,1984
3. The Question Answering System Phliqal;Bronnenberg,1979
4. ASK is transportable in half a dozen ways;Thompson;ACM Trans. Office Information Syst.,1985
5. TEAM: An experiment in the design of transportable natural-language interfaces;Grosz;Artificial Intelligence,1987