IE-41: (1996) Cowie, J. and Lehnert, W., "Information Extraction," Communications of the Association of Computing Machinery, vol. 39 (1), pp. 80-91. [View bibtex]
IE-22: (1993) Cowie, J. and Lehnert, W., "Information Extraction," (Communications of theAssociation of Computing Machinery). Press. [View bibtex]