Tài liệu Báo cáo khoa học: "Syntactic Phrase Reordering for English-to-Arabic Statistical Machine Tranfor slation" pptx

... Greece, 30 March – 3 April 2009.c2009 Association for Computational LinguisticsSyntactic Phrase Reordering for English-to-Arabic Statistical Machine TranslationIbrahim Badr Rabih ZbibComputer ... Introduction Phrase- based Statistical Machine Translation hasproven to be a robust and effective approach to machine translation, providing good performancewithout the need for explicit linguistic informa-tion. ... GlassAbstractSyntactic Reordering of the source lan-guage to better match the phrase struc-ture of the target language has beenshown to improve the performance of phrase- based Statistical Machine Transla-tion....

Tài liệu Báo cáo khoa học: "Mixing Multiple Translation Models in Statistical Machine Translation" docx

... Association for Computational Linguistics, pages 940–949,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsMixing Multiple Translation Models in Statistical Machine ... baselines including mix-ture models, the current state-of-the-art for do-main adaptation in machine translation.1 Introduction Statistical machine translation (SMT) systems re-quire large parallel ... 2004) both for speech recog-nition and for machine translation. It is also easier toobtain monolingual data in the target domain, com-pared to bilingual data which is required for transla-tion...

Tài liệu Báo cáo khoa học: "An Unsupervised Model for Joint Phrase Alignment and Extraction" ppt

... iteratively-trained segmentation-free phrase translation model for statistical machine translation. In Proceedings ofthe 2nd Workshop on Statistical Machine Translation,pages 112–119.David ... alignment /phrase extraction approachwhile reducing the phrase table to a fractionof the original size.1 IntroductionThe training of translation models for phrase- based statistical machine ... discounts for short phrases are lower thanthose of long phrases. In particular, phrase pairs oflength up to six (for example, |e| = 3, |f| = 3) aregiven discounts of nearly zero while larger phrasesare...

Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt

... Poster Sessions, pages 33–40,Sydney, July 2006.c2006 Association for Computational LinguisticsA Phrase- based Statistical Model for SMS Text Normalization AiTi Aw, Min Zhang, Juan Xiao, Jian ... substitution transformations, but inadequate to address the insertion transforma-tion. For example, the lingoes “duno”, “ysnite” have to be normalized using an insertion trans-formation to become ... call this updated model a phrase- based nor-malization model. normalization with a total of 2300 transforma-tions. Substitution accounts for almost 86% of all transformations. Deletion and...

Tài liệu Báo cáo khoa học: "Effective Phrase Translation Extraction from Alignment Models" ppt

... Models for Statistical Machine Translation, Proc. North American Associa-tion for Computational LinguisticsFranz Josef Och and Hermann Ney 200. A Comparisonof Alignment Models for Statistical Machine ... probabilities (the scores for each extracted phrase) based on a statistical lexicon for the constituent words in the phrase. As the IBM1alignment model gives the global optimum for thelexical probabilities, ... AnnualMeeting of the Association for Computational Lin-guisticsDaniel Marcu and William Wong 2002. A Phrase- Based,Joint Probability Model for Statistical Machine Trans-lation, Proc. of the...

Tài liệu Báo cáo khoa học: "Syntactic and Semantic Transfer with F-Structures*" pptx

... semantic form predicate name as functor (see Example (1)). The resulting representation is similar to a Neo-Davidsonian style event semantics (Parsons, 1991) but uses syntactic roles. For a formalization ... rewriting process. over feature structures for transfer, see (Emele and Dorna, 1998). 2For presentational purposes we leave out morpho- syntactic information in f-structures here and in the ... representations. Under- specified semantic representations in the form of UDRSs (or related formalisms) offer the follow- ing advantanges for transfer: they abstract away from cross-language configurational...

Tài liệu Báo cáo khoa học: "WORD, PHRASE AND SENTENCE" pptx

... to be bound as values for slots in these larger data forms. This session reminds us that much can be accomplished with vocabulary analysis, with keyword scanning and statistical treatment ... automatic extracting and information retrieval based on statistical, lexical and associational properties of keywords. Mechanical translation of sentences without regard for larger contexts marked ... frequently disdainful of morphological or even grammatical analysis in their search for effective structures for understanding what the discourse is about. Scripts, frames, stereotypes, schemas...

Tài liệu Báo cáo khoa học: "Syntactic and Semantic Kernels for Short Text Pair Categorization" docx

... bag-of-words. There-fore, learning methods to exploit syntaxand semantics are required. In this pa-per, we present a new kernel for the repre-sentation of shallow semantic informationalong with ... comprehensive study on ker-nel methods for the exploitation of syntac-tic/semantic structures for short text paircategorization. Our experiments with Sup-port Vector Machines on question/answerclassiﬁcation ... Tree Kernels(SSTKs). Unfortunately, these kernels result com-putational expensive for real world applications.In the remainder of this section, we present ournew kernel for PASs and compare...

Tài liệu Báo cáo khoa học: Truyện ngắn phong tục với góc nhìn văn hóa pptx

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Tài liệu Báo cáo khoa học: Roles of heat shock factors in gametogenesis and development pptx

... basis for differences in mouse strains ineliciting the HSR has been established as well as for strain differences in heat-sensitivity for the inductionof neural tube defects [143]. Therefore, ... lens and olfactory placodes whoseformation is inﬂuenced by HSFs form from a commonterritory [95,96].HSF4 in lens developmentCongenital cataracts account for 10% of cases ofchildhood blindness, ... Elisabeth Christians for helpful comments on themanuscript and for sharing Fig. 1 (UMR5547, Univer-sity Paul Sabatier, Toulouse, France) and to Anne LeMoue¨l (UMR7216) for helpful comments...

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