LREC 2000 - Papers

LREC 2000 2^nd International Conference on Language Resources & Evaluation

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Title Evaluation of a Generic Lexical Semantic Resource in Information Extraction

Authors Yue Chai Joyce (IBM T. J. Watson Research Center 30 Saw Mill River Rd, Hawthorne, NY 10532, USA, email:jchai@us.ibm.com)

Keywords Evaluation, Information Extraction, WordNet

Session Session EO3 - Evaluation and Semantics

Abstract We have created an information extraction system that allows users to train the system on a domain of interest. The system helps to maximize the effect of user training by applying WordNet to rule generation and validation. The results show that, with careful control, WordNet is helpful in generating useful rules to cover more instances and hence improve the overall performance. This is particularly true when the training set is small, where F-measure is increased from 65% to 72%. However, the impact of WordNet diminishes as the size of training data increases. This paper describes our experience in applying WordNet to this system and gives an evaluation of such an effort.

Title	Evaluation of a Generic Lexical Semantic Resource in Information Extraction
Authors	Yue Chai Joyce (IBM T. J. Watson Research Center 30 Saw Mill River Rd, Hawthorne, NY 10532, USA, email:jchai@us.ibm.com)
Keywords	Evaluation, Information Extraction, WordNet
Session	Session EO3 - Evaluation and Semantics
Abstract	We have created an information extraction system that allows users to train the system on a domain of interest. The system helps to maximize the effect of user training by applying WordNet to rule generation and validation. The results show that, with careful control, WordNet is helpful in generating useful rules to cover more instances and hence improve the overall performance. This is particularly true when the training set is small, where F-measure is increased from 65% to 72%. However, the impact of WordNet diminishes as the size of training data increases. This paper describes our experience in applying WordNet to this system and gives an evaluation of such an effort.