using lexical cohesion olivier ferret

... defined a lexical chain within Roget’s very gen- eral hierarchy, in which lexical relationships are traced through a common category. Hirst and St-Onge (1997) define a lexical chain using the ... Electronic Lexical Database. Cambridge MA, USA, The MIT Press. Halliday, M. A. K. and R. Hasan (1976). Cohesion in English. London, London:Longman. Hirst, G. and D. St-Onge (1997). Lexical Chains ... of reference and lexical semantic relations (superordinate and subordinate). Morris and Hirst (1991) suggested building lexical chains is important in the resolu- tion of lexical ambiguity...

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Ngày tải lên: 14/12/2013, 00:40

Ngày tải lên: 19/12/2013, 15:02

... links between lexical items create cohesion. In response to Halliday & Hasan (1976)’s initiation of cohesion, other researchers have discussed lexical cohesion. However, cohesion can be ... and comprehensive description of lexical cohesion features in English - figure out how these devices are used in texts - make comparative analysis of lexical cohesion between English and Vietnamese ... surmount difficulties in using and understanding the lexical cohesive devices. 3. Scope of the study Within the framework of a minor M. A thesis, we only study on lexical cohesion in the corporate...

Ngày tải lên: 29/01/2014, 10:43

... 621–629, Athens, Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Using lexical and relational similarity to classify semantic relations Diarmuid ´ O S ´ eaghdha Computer ... similarity: lexical similarity and relational similarity. We present an efficient and flexible technique for imple- menting relational similarity and show the effectiveness of combining lexical and ... 58.1 Table 2: Results for set kernel and lexical kernel combination. */** indicate significant improvement at the 0.05/0.01 level over the corresponding lexical kernel alone, estimated by paired...

Ngày tải lên: 08/03/2014, 21:20

... improvement through query expansion using information only from man- ually created lexical resources. In this paper, we re-examine the problem of query expansion using lexical resources in recently ... whether query expansion using only manually created lexical re- sources could lead to the performance improve- ment. The main contribution of our work is to show query expansion using only hand-crafted ... Section 2, and briefly re- view the studies of query expansion using axiomatic approaches in Section 3. We then present our study of using lexical resources, such as WordNet, for query expansion in...

Ngày tải lên: 17/03/2014, 02:20

... Sessions, pages 215–222, Sydney, July 2006. c 2006 Association for Computational Linguistics Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger ... (in our case, the uniform distribution, since all of the in- formation in the model is specified using ME constraints). Our baseline model contains the following fea- ture predecate set: w 0 t −1 pos 0 pref 1 (w 0 ) w −1 t −2 pos −1 pref 2 (w 0 ) w −2 pos −2 pref 3 (w 0 ) w +1 pos +1 suff 1 (w 0 ) w +2 pos +2 suff 2 (w 0 ) suff 3 (w 0 ) where: - ... whereas in (Black et al., 1998) both syntax and semantics were predicted together in one step. In using syn- tactic tags as features, we take a softer approach to the two-stage process. The tagger...

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... In this section, we define comparative keywords and extract comparative-sentence candidates by using those keywords. 3.1 Comparative keyword First of all, we classify comparative sentences ... 2009. c 2009 ACL and AFNLP Extracting Comparative Sentences from Korean Text Documents Us- ing Comparative Lexical Patterns and Machine Learning Techniques Seon Yang Department of Computer Engineering, ... As a result, we achieved signifi- cant performance, an F1-score of 88.54%, in our experiments using various web documents. 1 Introduction Comparing one entity with other entities is one...

Ngày tải lên: 20/02/2014, 09:20

... labeling Database template fillup Mining metalinguistic activity in corpora to create lexical resources using Information Extraction techniques: the MOP system Carlos Rodríguez Penagos Language ... and guerrilla attacks, while the ACQUILEX pro- ject used similar methods for creating lexical da- tabases using the highly structured environment of machine-readable dictionary entries and other ... non -lexical markers included quota- tion marks, apposition and text formatting. A collection of potential metalinguistic patterns identified in the exploratory Sociology corpus was expanded (using...

Ngày tải lên: 20/02/2014, 15:20

... Number of target different content words (Japanese) 6,686 Table 3 Corpus statistics Lexical transfer using a vector-space model Eiichiro SUMITA ATR Spoken Language Translation Research ... overcome a bottleneck in building a bilingual dictionary, we proposed a simple mechanism for lexical transfer using a vector space. A preliminary computational experiment showed that our basic proposal ... is very time-consuming. In order to overcome this bottleneck, we propose a new mechanism for lexical transfer, which is simple and suitable for learning from bilingual corpora. It exploits...

Ngày tải lên: 20/02/2014, 18:20

... Machine Translation, pages 114 121, Stanford, CA, March. Elhadad, Michael. 1992. Using Argumentation to Control Lexical Choice: A Functional Unification Implementation. Ph.D. thesis, Columbia ... Hirst, Graeme. 1995. Near-synonymy and the structure of lexical knowledge. In AAAI Symposium on Representation and Acquisition of Lexical Knowledge: Polysemy, Ambiguity, and Generativity, ... 1996. Lexical Semantics and Knowledge Rep- resentation in Multilingual Sentence Generation. Ph.D. the- sis, University of Toronto. Yarowsky, David. 1992. Word-sense disambiguation using statistical...

Ngày tải lên: 22/02/2014, 03:20

... Lexical Disambiguation Using Constraint Handling In Prolog (CHIP) * George C. Demetriou Centre for Computer ... defined by a set of these primitives. Several researchers have been experimented with lexical disambiguation using MRDs, including [Lesk, 1986; Wilks et al., 1989; McDonald et al., 1990; Veronis ... Homo- graph Disambiguation Using Local Context in Large Text Corpora. In Proceedings of the 7th Annual Conference of the UW Centre for the New OED and TEXT Research, Using Corpora, pages 1-22,...

Ngày tải lên: 22/02/2014, 10:20

... M 13 . 4 Conclusion In this paper we described a genetic programming approach for evolving new lexical association mea- sures in order to extract collocations. The evolved association measure ... lexicog- raphy. Computational Linguistics, 16(1):22–29. Stephan Evert and Brigitte Krenn. 2005. Using small random samples for the manual evaluation of statisti- cal evaluation measures. Computer ... its tree representation in postorder. Figure 1 shows the representation of the Dice co- efficient using our representation. 2.2 Genetic operators The crossover operator combines two parent solu- tions...

Ngày tải lên: 08/03/2014, 01:20

... for computational models of lexical cohesion: any good model should at least get the core part right. Much of the existing applied research on lexical cohesion uses WordNet-based (Miller, 1990) lexical chains ... textual cohesion. They identified a number of cohesive constructions: repetition (using the same words, or via repeated reference, substitution and ellipsis), conjunction and lexical cohesion. Some ... on lexical cohesion, detailing the task given to readers and the analysis of the experimental data. We conclude with discussion of the usefulness of the data in future research on lexical cohesion. 1...

Ngày tải lên: 17/03/2014, 06:20

... improves the prediction of section breaks, hence, under common assumptions, the measure- ment of lexical cohesion. It is likely that these en- couraging results can be further improved. Follow- ing ... 1991. Patterns of Lexis in Text. Ox- ford University Press. Hideki Kozima. 1994. Computing Lexical Cohesion as a Tool for Text Analysis. Ph.D. thesis, Univer- sity of Electro-Communications. ... between the win- dows in the text. High values indicate lexical close- ness. Troughs in the resulting similarity'curve mark spots with low cohesion. 3.3 Text Segmentation To evaluate the performance...

Ngày tải lên: 17/03/2014, 07:20