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Computational lexicography for natural language processing
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TINLAP '87 Proceedings of the 1987 workshop on Theoretical issues in natural language processing
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ACL '92 Proceedings of the 30th annual meeting on Association for Computational Linguistics
Parsing vs. text processing in the analysis of dictionary definitions
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COLING '90 Proceedings of the 13th conference on Computational linguistics - Volume 3
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COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
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COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
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COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
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COLING '92 Proceedings of the 14th conference on Computational linguistics - Volume 1
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COLING '92 Proceedings of the 14th conference on Computational linguistics - Volume 2
Structural patterns vs. string patterns for extracting semantic information from dictionaries
COLING '92 Proceedings of the 14th conference on Computational linguistics - Volume 2
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DEXA '01 Proceedings of the 12th International Conference on Database and Expert Systems Applications
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COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 1
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COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
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ACL '01 Proceedings of the 39th Annual Meeting on Association for Computational Linguistics
Exploiting links in WordNet hierarchy for word sense disambiguation of nouns
Proceedings of the International Conference on Advances in Computing, Communication and Control
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This paper describes a heuristic approach capable of automatically clustering senses in a machine-readable dictionary (MRD). Including these clusters in the MRD-based lexical database offers several positive benefits for word sense disambiguation (WSD). First, the clusters can be used as a coarser sense division, so unnecessarily fine sense distinction can be avoided. The clustered entries in the MRD can also be used as materials for supervised training to develop a WSD system. Furthermore, if the algorithm is run on several MRDs, the clusters also provide a means of linking different senses across multiple MRDs to create an integrated lexical database. An implementation of the method for clustering definition sentences in the Longman Dictionary of Contemporary English (LDOCE) is described. To this end, the topical word lists and topical cross-references in the Longman Lexicon of Contemporary English (LLOCE) are used. Nearly half of the senses in the LDOCE can be linked precisely to a relevant LLOCE topic using a simple heuristic. With the definitions of senses linked to the same topic viewed as a document, topical clustering of the MRD senses bears a striking resemblance to retrieval of relevant documents for a given query in information retrieval (IR) research. Relatively well-established IR techniques of weighting terms and ranking document relevancy are applied to find the topical clusters that are most relevant to the definition of each MRD sense. Finally, we describe an implemented version of the algorithms for the LDOCE and the LLOCE and assess the performance of the proposed approach in a series of experiments and evaluations.