Ralph Grishman, John Sterling. Information Extraction and Semantic Constraints. In COLING. pages 355-357, 1990. [doi]
@inproceedings{GrishmanS90, title = {Information Extraction and Semantic Constraints}, author = {Ralph Grishman and John Sterling}, year = {1990}, url = {http://acl.ldc.upenn.edu/C/C90/C90-3071.pdf}, tags = {constraints}, researchr = {https://researchr.org/publication/GrishmanS90}, cites = {0}, citedby = {0}, pages = {355-357}, booktitle = {COLING}, }