Kenneth Biss, Robert T. Chien, Fred A. Stahl. R2: a natural language question-answering system. In American Federation of Information Processing Societies: AFIPS Conference Proceedings: 1971 Spring Joint Computer Conference, Atlantic City, NJ, USA, May 18-20, 1971. Volume 38 of AFIPS Conference Proceedings, pages 303-308, AFIPS, 1971. [doi]
@inproceedings{BissCS71, title = {R2: a natural language question-answering system}, author = {Kenneth Biss and Robert T. Chien and Fred A. Stahl}, year = {1971}, doi = {10.1145/1478786.1478829}, url = {http://doi.acm.org/10.1145/1478786.1478829}, researchr = {https://researchr.org/publication/BissCS71}, cites = {0}, citedby = {0}, pages = {303-308}, booktitle = {American Federation of Information Processing Societies: AFIPS Conference Proceedings: 1971 Spring Joint Computer Conference, Atlantic City, NJ, USA, May 18-20, 1971}, volume = {38}, series = {AFIPS Conference Proceedings}, publisher = {AFIPS}, }