Paper: An Inheritance-Based Lexicon For Message Understanding Systems

ACL ID A94-1045
Title An Inheritance-Based Lexicon For Message Understanding Systems
Venue Applied Natural Language Processing Conference
Session Main Conference
Year 1994
Authors

Examples of this sort of thing in the POETIC domain are makes of car (e.g. 'Volvo'), all of which inherit all of their information from a single "CAR" node. In the JV domain, currencies inherit most of their information from a single "CURRENCY" node, with the individual currency name being the only piece of individual information. Results The lexicons used in the message understanding tasks described were both very small by most people's standards. The MUC-5 lexicon contained only 850 entries, while the POETIC lexicon contained just over 1000 entries. Even with the 7000-word general lexicon of English these are not large numbers by current thinking. The performance levels achieved with such small lexicons leads one to ask whether effort directed at constructing vast lexicons for NLP system...