Read e-book online New Perspectives on Computational and Cognitive Strategies PDF

By Oi Yee Kwong

ISBN-10: 1461413192

ISBN-13: 9781461413196

ISBN-10: 1461413206

ISBN-13: 9781461413202

Cognitive and Computational options for note feel Disambiguation examines cognitive techniques by means of people and computational ideas by means of machines, for WSD in parallel.

Focusing on a psychologically legitimate estate of phrases and senses, writer Oi Yee Kwong discusses their concreteness or abstractness and attracts on psycholinguistic information to ascertain the level to which present lexical assets resemble the psychological lexicon so far as the concreteness contrast is worried. The textual content additionally investigates the contribution of alternative wisdom resources to WSD when it comes to this very intrinsic nature of phrases and senses.

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Additional info for New Perspectives on Computational and Cognitive Strategies for Word Sense Disambiguation

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Developed at Princeton University, WordNet is probably the first broad coverage general computational lexical database. The project started as a psycholinguistic one for testing the scalability of relational lexical semantics, but the resulting database turned out to be of great interest to computational linguists. Words are grouped into concepts based on synonymy, forming ‘‘synsets’’ as the building blocks, which essentially represent the senses of words. 1), there are approximately 117,000 synsets in the database.

Apparently, the information stored in our memory is not isolated, but connected. So a model of semantic memory should have, in Quillian’s words, ‘‘the ability to use information input in one frame of reference to answer questions in another’’. Thus his model has a network structure with a mass of nodes interconnected by associative links of different kinds, though in practice the actual substance in the network is as important as the formal structure of it. Quillian’s semantic network model allows two word concepts to be compared and contrasted via the association between them.

Hirst (1987) also used marker passing with a semantic network of frames, but controlled the process with additional constraints on the number of propagations and on the nodes from which activation is to be spread. Parsing and disambiguation were synchronised with text input. In the event where no connection path was readily found for an ambiguous word to produce a definite analysis, Hirst introduced the use of Polaroid words. These were faked semantic objects with packets of knowledge used to substitute the actual analysis for a word temporarily until more information became available for eliminating the inappropriate senses.

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New Perspectives on Computational and Cognitive Strategies for Word Sense Disambiguation by Oi Yee Kwong

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