| Briscoe, Ted and Ann Copestake. (1996). Controlling the application of lexical rules. Proceedings of the ACL SIGLEX Workshop on Breadth and Depth of Semantic Lexicons, Santa Cruz: 7--19. |
....Incorporating detailed world knowledge into the lexicon most often compensates for the lack of a contextual model in an NLP system. LEXICAL RULES AND LEXICAL ORGANIZATION 15 stripping and restoring the stems to lexical forms 6 have to be done before probabilistic techniques such as that of Briscoe and Copestake (1996) can be applied to tackle the semiproductivity of lexical rules for derivational morphology. Our strategy is to obtain complex forms derivationally if the semantic relation of the bound morpheme to its stem is fairly predictable. We use lexicalized forms when the meaning is not compositional. This ....
Briscoe, T. and A. Copestake (1996) `Controlling the Application of Lexical Rules'. In: E. Viegas (ed.): Breadth and Depth of Semantic Lexicons. SIGLEX96 Proceedings, Santa Cruz, California.
....Similarly, in Figure 21, we assumed a use substance lexical rule, but a more accurate estimation of probabilities might be obtained by considering specialized subclasses. This approach to deriving estimates of the productivity of lexical rules is applied to four denominal verb formation rules in Briscoe and Copestake (1996), where the probabilities of the basic and derived word forms are estimated from part of speech tagged textual corpora. The probabilistic approach we have presented is part of a theory of language use or performance rather than one of competence or grammatical representation. As such it is not a ....
Briscoe, Ted and Ann Copestake. (1996). Controlling the application of lexical rules. Proceedings of the ACL SIGLEX Workshop on Breadth and Depth of Semantic Lexicons, Santa Cruz: 7--19.
....Similarly, in Figure 21, we assumed a use substance lexical rule, but a more accurate estimation of probabilities might be obtained by considering specialized subclasses. This approach to deriving estimates of the productivity of lexical rules is applied to four denominal verb formation rules in Briscoe and Copestake (1996), where the probabilities of the basic and derived word forms are estimated from part of speech tagged textual corpora. The probabilistic approach we have presented is part of a theory of language use or performance rather than one of competence or grammatical representation. As such it is not a ....
Briscoe, E.J. and A. Copestake (1996) `Controlling the application of lexical rules', Proceedings of the ACL SIGLEX Workshop on Breadth and Depth of Semantic Lexicons, Santa Cruz, pp. 7--19.
....and to explicitly list frequent forms, rather than to derive them. But this increases errors due to unexpected vocabulary, especially for highly productive derivational processes. For this and other reasons it is preferable to assume some generative devices in the lexicon (Pustejovsky, 1995) Briscoe and Copestake (1996) argue that a differential estimation of the productivity of derivation processes allows an approximation of the probabilities of previously unseen derived uses. If more probable senses are preferred by the system, the proliferation of senses that results from unconstrained use of lexical rules or ....
.... i with cmp form j ) Unseen prob mass(cmp form j ) Theta Prod(cs i ) P Prod(cs1 ) P rod(csn ) where cs 1 : cs n are the compound schemata needed to derive the n unattested entries for the form j ) Figure 4: Probabilities for unseen compounds: adapted from Briscoe and Copestake (1996) must find a contextual interpretation. Thus, for any compound there may be some context in which it can be interpreted, but in the absence of a marked context, only compounds which instantiate one of the subschemata are acceptable. 3 Encoding Lexical Preferences In order to help pragmatics ....
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Briscoe, E.J. and A. Copestake (1996) `Controlling the application of lexical rules', Proceedings of the ACL SIGLEX Workshop on Breadth and Depth of Semantic Lexicons, Santa Cruz, CA.
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Ted Briscoe and Ann Copestake. 1996. Controlling the application of lexical rules. In E Viegas, editor, SIGLEX Workshop on Lexical Semantics - ACL 96 Workshop.
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