Báo cáo khoa học: "Unsupervised Sense Disambiguation Using Bilingual Probabilistic Models" pdf

... Spanish senses. We also present empirical word sense disambiguation results which demonstrate the gain brought by this probabilistic approach, even while only using the translated word to provide disambiguation ... Qu´ebec, Canada bengioy@IRO.UMontreal.CA Abstract We describe two probabilistic models for unsuper- vised word -sense disambiguation using parallel cor- pora. The...

Ngày tải lên: 08/03/2014, 04:22

... The clustering result using K-means; (c) Three elongated clusters in the 2D clustering space using Spectral clustering: two dominant eigenvectors; (d) The clustering result using Spectral-based ... 89–96, Sydney, July 2006. c 2006 Association for Computational Linguistics Unsupervised Relation Disambiguation Using Spectral Clustering Jinxiu Chen 1 Donghong Ji 1 Chew Lim Tan 2 Zheng...

Ngày tải lên: 20/02/2014, 12:20

... tied scores simply using the first sense (in WordNet) of the target as the real sense. It is no doubt that the skewed distribution of word senses in the corpora (the first sense of- ten captures ... lexical sample of SENSEVAL-2 1 shows that lexical cohe- sion based on edge-counting techniques is a good way of unsupervisedly disam- biguating senses. 1 Introduction Word Sense Di...

Ngày tải lên: 08/03/2014, 02:21

... Word Sense Disambiguation Using Pairwise Alignment Koichi Yamashita Keiichi Yoshida Faculty of Administration and ... would seem useful in deciding the sense of “fire”, and serve as clue to leading the sense to “go off or discharge”. It seems that there is no clue to an- other sense. For this case, an approach ... two sections. Using our method, we have gotten appro- priate sense...

Ngày tải lên: 08/03/2014, 04:22

... Abstract Word sense disambiguation algorithms, with few ex- ceptions, have made use of only one lexical know- ledge source. We describe a system which performs word sense disambiguation on ... Word Sense Disambiguation using Optimised Combinations of Knowledge Sources Yorick Wilks and Mark Stevenson Department ... contains two levels of sense distinction: the broad ho...

Ngày tải lên: 17/03/2014, 07:20

... LP JS Data p-value Significance SENSEVAL-3 (1%) 1.1e-003 ≪ SENSEVAL-3 (10%) 8.9e-005 ≪ SENSEVAL-3 (25%) 9.0e-009 ≪ SENSEVAL-3 (50%) 3.2e-010 ≪ SENSEVAL-3 (75%) 7.7e-013 ≪ SENSEVAL-3 (100%) - - interest ... Comparison of sense disambiguation results be- tween SVM, monolingual bootstrapping and LP on word “use”. (a) only one labeled example for each sense of word “use” as training data bef...

Ngày tải lên: 23/03/2014, 19:20

... have been two types of approaches to word sense disambiguation: 1) a probabilistic approach such as that described here which bases the choice of sense tag on the observed joint distribution ... that use multiple contextual features for word -sense disambiguation, without requiring untested assumptions regarding the form of the model. Using this approach, the joint distributio...

Ngày tải lên: 23/03/2014, 20:21

... translation disambiguation is actually a special case of word sense disambiguation (in the example above, ‘gongchang’ corresponds to the sense of ‘factory’ and ‘zhiwu’ corresponds to the sense ... and Moldovan 1999). 3 Bilingual Bootstrapping 3.1 Overview Instead of using Monolingual Bootstrapping, we propose a new method for word translation disambiguation using Bili...

Ngày tải lên: 20/02/2014, 21:20

... each sense Sense 1 longtemps de UR quelques denx 1 plus trois Sense 2 le la l' ce les 1968 Comnmn informant values for each sense Pr(English [Sense 1) Pr(English [ Sense ... analysis phase a sense- disambiguation component that assigns sense labels to French words. If pren- dre is labeled with one sense in the context of ddcision but with a diffe...

Ngày tải lên: 08/03/2014, 07:20

... Previous corpus-based sense disambiguation methods require substantial amounts of sense- tagged training data (Kelly and Stone, 1975; Black, 1988 and Hearst, 1991) or aligned bilingual corpora ... defining concepts. This data is then used in a sense disambiguation system. The system is tested on twelve words previously discussed in the sense disambiguation literature. T...

Ngày tải lên: 31/03/2014, 06:20