combined one sense disambiguation of abbreviations

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... disrupted from biofilms that may be the cause of recurrence after an indefinite period of time. Fragments of biofilms seem to be more vulnerable for antibiotics compared with intact biofilm systems ... Masri B. Treatment of infection associated with seg- mental bone loss in the proximal part of the femur in two stages with use of an antibiotic-loaded interval prosthesis. J Bone Joint Surg Am ... into biofilm covering infected prostheses and effect on bacteria. J Infect Dis 1994;170(3):720-3. 39. Rose WE, Poppens PT. Impact of biofilm on the in vitro activity of vancomycin alone and...

Ngày tải lên: 26/10/2012, 09:53

... Cross-Lingual Word Sense Disambiguation task for all five target languages. 1 Introduction Word Sense Disambiguation (WSD) is the NLP task that consists in selecting the correct sense of a polysemous ... classifiers, we used the sense in- ventory and test set of the SemEval “Cross-Lingual Word Sense Disambiguation task. The sense inven- tory was built up on the basis of the Europarl corpus: all ... Machine- Learning of Word Sense Disambiguation. Natural Language Engineering, Special Issue on Word Sense Disambiguation Systems, 8:311–325. N. Ide, T. Erjavec, and D. Tufis¸. 2002. Sense discrimi- nation...

Ngày tải lên: 20/02/2014, 05:20

... shopped in Rome. The senses of each element are denoted by a barred letter, i.e., ¯p denotes the preposition sense, ¯ h denotes the sense of the head word, and ¯o the sense of the object. 3 Data We ... aware of (Hovy et al., 2010) reaches 84.8%. 7 Related Work The semantics of prepositions were topic of a special issue of Computational Linguistics (Baldwin et al., 2009). Preposition sense disambiguation ... preposition sense disambiguation. Our best accuracy reaches 56%, a significant improvement (at p <.001) of 16% over the most-frequent -sense baseline. 1 Introduction Reliable disambiguation of words...

Ngày tải lên: 20/02/2014, 05:20

... Every EP should map to one and only one original ambiguous word. 2) The morphemes of an EP should map one by one to those of the original ambiguous word. 3) The sense of the EP should be the ... of EPs as of senses. Each EP's sense maps to a sense of ambiguous word. The semantic equivalence demands further equivalence at each sense level. Every corre- 458 Proceedings of the 21st ... words for every sense of the word in construction of the EP, rich semantic information can be acquired in the training step and is an advantage for sense disambiguation. 2) Senseval-3 has...

Ngày tải lên: 20/02/2014, 12:20

... each of the SENSEVAL-2 and SENSEVAL-3 data sets), while the performance did not exceed the one obtained with the more general semantic models. The average disambiguation precision obtained with SENSELEARNER ... using WordNet senses. We evaluate the accu- racy of SENSELEARNER on several stan- dard sense- annotated data sets, and show that it compares favorably with the best re- sults reported during the recent SENSEVAL evaluations. 1 ... Evaluation The SENSELEARNER system was evaluated on the SENSEVAL-2 and SENSEVAL-3 English all words data sets, each data set consisting of three texts from the Penn Treebank corpus annotated with WordNet senses....

Ngày tải lên: 20/02/2014, 15:20

... large amounts of unsupervised data with rea- sonable smaller amounts of supervised data such as the Senseval lexical sample. Earlier we mentioned that one of the promising advantages of KPCA is that ... text analysis. In Proceedings of Table 1: Two of the Senseval-2 sense classes for the target word “art”, from WordNet 1.7 (Fellbaum 1998). Class Sense 1 the creation of beautiful or significant things 2 ... WordNet senses are provided. There are an av- erage of 7.8 senses per target word type. On average 109 training instances per target word are available. Note that we used the set of sense classes...

Ngày tải lên: 20/02/2014, 16:20

... @comp.nus.edu.sg Abstract Instances of a word drawn from different domains may have different sense priors (the proportions of the different senses of a word). This in turn affects the accuracy of word sense disambiguation ... sense 4 is the predominant sense in the WSJ part of the 89 evaluation on the nouns of SENSEVAL-2 English lexical sample task (Kilgarriff, 2001). In another recent evaluation on the nouns of SENSEVAL- 2 ... In Proc. of ICML-1996. Gerard Escudero, Lluis Marquez, and German Rigau. 2000. An empirical study of the domain dependence of supervised word sense disambiguation systems. In Proc. of EMNLP/VLC00. Adam...

Ngày tải lên: 08/03/2014, 02:21

... hub of each sense of the target, and we don’t keep track of other context words. In other words, after the computation of lexical hub of the target, we can immediately produce the right sense ... counts of senses of all its context words, is scored as the right meaning:         = ∑∑ == l i m j jik k CTLinksTSense 11 , ),(maxarg)( Therefore the lexical hub of each sense of the ... of work to fuse them in the fu- ture research. In terms of the heuristics evaluated, richness of sense or word connectivity is much more important than the strength of individual word or sense...

Ngày tải lên: 08/03/2014, 02:21

... decoder. 36 Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, pages 33–40, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Word Sense Disambiguation ... array of features that are not limited to the lo- cal context of w, and some of these features may not be used by state -of- the-art statistical MT systems. To perform translation, state -of- the-art ... using English transla- tions as word senses would be ideal, they instead predicted the HowNet sense of a word and then used the English gloss of the HowNet sense as the WSD model’s predicted translation....

Ngày tải lên: 08/03/2014, 02:21

... Johnson. 2004. Mul- ti-component Word Sense Disambiguation. Proceed- ings of Senseval-3: 3rd International Workshop on the Evaluation of Systems for the Semantic Analysis of Text, Barcelona, pages ... approach to the disambiguation of nouns has been to consider a wide context around the ambiguous word and treat it as a bag of words or limited set of collocates. However, disambiguation of verbs ... features for statistical Word Sense Disambiguation. Proceedings of Senseval-3: 3rd International Workshop on the Evaluation of Sys- tems for the Semantic Analysis of Text, Barcelona, pages 133-136....

Ngày tải lên: 08/03/2014, 02:21

... empirical study of the behavior of active learn- ing for word sense disambiguation. In Proc. of HLT/NAACL06. H. T. Dang. 2004. Investigations into the Role of Lex- ical Semantics in Word Sense Disambiguation. ... estimate the sense priors in the WSJ evaluation data for each of the 21 nouns. The sense with the highest estimated sense prior is taken as the predominant sense of the noun. For the set of 12 nouns ... the predominant sense of the noun interest in the BC part of the DSO corpus has the meaning “a sense of concern with and curiosity about some- one or something”. In the WSJ part of the DSO cor- pus,...

Ngày tải lên: 08/03/2014, 02:21

... to our approach. One of the first approaches was that of (Lesk, 1986), which treated every dictionary definition of a concept as a bag of words. To identify the in- tended sense of the target word, ... Dictio- nary of Contemporary English (LDOCE). They then determined the extent of overlap between the sum of the vectors of the words in the context and the sum of the vectors of the words in each of the ... Measure Context Target Sense Preprocessing Format Filter Sense Inventory Context Selection Postprocessing Pick Sense Figure 1: A generalized framework for Word Sense Disambiguation. modules to perform any of these...

Ngày tải lên: 08/03/2014, 04:22

... in- tended meaning of does not always match per- fectly with the intended meaning of . Generally, a set of related senses in one language may be translated by one of related senses in the other. This ... the set of Spanish senses in the cluster and the English senses relevant for them. The relevant English senses for any Span- ish sense is given by its . Therefore, the union of the s of all the ... possible senses for each English word . The Sense model is shown in Figure 1(a). 2.3 The Concept Model The assumption of a one- to -one association be- tween sense labels made in the Sense Model...

Ngày tải lên: 08/03/2014, 04:22

... value of , a low sense perplexity of — relatively close to the sense perplexity of the test data — a suffi- cient number of contexts (4350), yet it yields a PR of . According to the manual sense ... for Word Sense Disambiguation of unrestricted text. Pro- ceedings of the 37th Annual Meeting of ACL. Mary- land, USA. Rada Mihalcea. 2002. Bootstrapping Large sense tagged corpora. Proceedings of the ... child and holiday: child has an STE of and comprises 7 senses at a low sense perplexity of , yet yields a high PR of . As mentioned earlier, low STE indicates lack of translational variation. In this...

Ngày tải lên: 08/03/2014, 04:22