Báo cáo khoa học: "Statistical Sense Disambiguation with Relatively Small Corpora Using Dictionary Definitions " ppt

... Statistical Sense Disambiguation with Relatively Small Corpora Using Dictionary Definitions Microsoft Institute North Ryde, NSW 2113, Australia ... overcomes this problem using dictionary definitions. Using the definition- based conceptual co-occurrence data collected from the relatively small Brown corpus, our sense disambiguation system achieves ... the...

Ngày tải lên: 31/03/2014, 06:20

... system using the ISI ReWrite decoder (Germann, 2003). Though they acknowledged that directly using English transla- tions as word senses would be ideal, they instead predicted the HowNet sense ... done using a full-fledged MT system and the evaluation was not on how welleach source sentence was translated as a whole. The relatively small im- provement reported by Cabezas and Resnik...

Ngày tải lên: 08/03/2014, 02:21

... 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 ... dre is labeled with one sense in the context of ddcision but with a different sense in other contexts, then the translation model will learn front trMning data that the first...

Ngày tải lên: 08/03/2014, 07:20

... 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 ... of SENSEVAL-2 is manually sense- tagged with the sense number of WordNet 1.7 and our metrics are based on its version 2.0, we translate the sample and answer format into 2.0 in...

Ngày tải lên: 08/03/2014, 02:21

... unsuper- vised word -sense disambiguation using parallel cor- pora. The first model, which we call the Sense model, builds on the work of Diab and Resnik (2002) that uses both parallel text and a sense in- ventory ... of find- ing sense- labeled training data, researchers have be- gun investigating unsupervised approaches to word- sense disambiguation. For example, the use of par-...

Ngày tải lên: 08/03/2014, 04:22

... words with similar context have the same sense (Charniak, 1993; Lin, 1997). That is, once we prepare the pro- totype sequences for each sense, we can determine the sense of the target word as one with ... 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 c...

Ngày tải lên: 08/03/2014, 04:22

... disambiguating word senses in a large corpus. In Computers and the Hu- manities, volume 26, pages 415-439. A. K. Luk. 1995. Statistical sense disambiguation with relatively small corpora using dictionary ... not co- occur with wl. Let also N.Set2 be a set of nouns which co-occur with both v and wl, but do not co-occur with wp, and N-Set3 be a set of nouns...

Ngày tải lên: 08/03/2014, 21:20

... results improved by 14% using this strategy, achieved 88% correct disambiguation to the LDOCE homograph using this strategy but only 74% without it. 3.3 Dictionary Definitions (Cowie et al., ... 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...

Ngày tải lên: 17/03/2014, 07:20

... model. 5.1 Incorporating senses as smoothing With the method described in Section 4.2, both the terms in queries and documents have been sense tagged. The next problem is to incorporate the sense information ... terms. 2 http://lemurproject.org/indri/ 275 4 Word Sense Disambiguation In this section, we first describe the construction of our WSD system. Then, we propose the method of...

Ngày tải lên: 23/03/2014, 14:20

... 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