**Tài liệu Báo cáo khoa học: "Statistical Decision-Tree Models for Parsing*" ppt**

Tài liệu Báo cáo khoa học: "Statistical Machine Translation by Parsing" pptx

... Multitext Grammars and MultitreesThe algorithms in this paper can be adapted for anysynchronous grammar formalism. The vehicle for the present guided tour shall be multitext grammar(MTG), which is ... attention to MTGs in GeneralizedChomsky Normal Form (GCNF) (Melamed et al.,2004). This normal form allows simpler algorithmdescriptions than the normal forms used by Wu(1997) and Melamed (2003).In ... templates of that production rule.Item Form: Goal:Inference RulesScan component d, :Compose:Figure 3: Logic C (“C” for CKY)These constraints are enforced by the d-span opera-tors and .Parser...

Tài liệu Báo cáo khoa học: "k-best Spanning Tree Parsing" pptx

... the preﬁx c-; for example: p–pos,p–form, c–pos, and c–form. In our model weuse both word form and POS tag and includethe composite form/POS features: p–form/c–pos and p–pos/c–form.Branch ... less-constrained models. An efﬁcient algorithm for gen-erating the k-best parse trees for a constituency-based parser was presented in Huang and Chiang(2005); a variation of that algorithm was used for generating ... indepen-dent subsets, Ys: for the edge-factored MST models, each set represents a word and its candidate parents; for the reranker, each set represents the k-best trees for a particular sentence....

Tài liệu Báo cáo khoa học: "Translation Model Adaptation for Statistical Machine Translation with Monolingual Topic Information" doc

... context in-formation at the sentence level, we adopt thetopical context information in our method for the following reasons: (1) the topic informa-tion captures the context information beyondthe ... 8-14 July 2012.c2012 Association for Computational LinguisticsTranslation Model Adaptation for Statistical Machine Translation withMonolingual Topic Information∗Jinsong Su1,2, Hua Wu3, ... anovel approach for translation model adapta-tion by utilizing in-domain monolingual top-ic information instead of the in-domain bilin-gual corpora, which incorporates the topic in-formation into...

Tài liệu Báo cáo khoa học: "Bilingual Sense Similarity for Statistical Machine Translation" ppt

... Gigaword corpus. Both language models are used for both tasks. We carried out experiments for translating Chinese to English. We use the same develop-ment and test sets for the two data conditions. ... (WSD) techniques in SMT for translation selection. However, WSD techniques for SMT do so indirectly, using source-side context to help select a particular translation for a source rule. source ... the definition in section 3 from the full training data for α and for γ, re-spectively. coocfCandcooceC are the contexts for α and γ when α and γco-occur. Obviously,...

Tài liệu Báo cáo khoa học: "Statistical phrase-based models for interactive computer-assisted translation" pdf

... Association for Computational LinguisticsStatistical phrase-based models for interactive computer-assistedtranslationJes´us Tom´as and Francisco CasacubertaInstituto Tecnol´ogico de Inform´aticaUniversidad ... framework (Och et al., 2003).Phrase-based models have proved to be very ad-equate statistical models for MT (Tom´as et al.,2005). In this work, the use of these models hasbeen extended to interactive ... sentences tI1. Therefore, thesame techniques (translation models, decoder al-gorithm, etc.) which have been developed for SMT can be used in CAT.Note that the statistical models are deﬁned atword...

Tài liệu Báo cáo khoa học: "Statistical parsing with an automatically-extracted tree adjoining grammar" pdf

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Tài liệu Báo cáo khoa học: "Statistical Decision-Tree Models for **Parsing*" ppt**

... otherwise. 2.3 Decision-Tree Algorithms The point of showing the equivalence between n- gram models and decision-tree models is to make clear that the power of decision-tree models is not in ... SPATTER's models SPATTER consists of three main decision-tree models: a part-of-speech tagging model, a node- extension model, and a node-labeling model. Each of these decision-tree models are ... using existing resources. I begin by describing decision-tree modeling, showing that decision-tree models are equivalent to interpolated n-gram models. Then I briefly describe the training and...

Tài liệu Báo cáo khoa học: "Statistical Dependency Parsing of Turkish" docx

... and then introduce three models for dependency parsing of Turkish. We then presentour results for these models and for some addi-tional experiments for the best performing model.We then close ... subse-quent models. In Figure 5 we show in a table the sample sen-tence in Figure 3, the morphological analysis for each word and the reduced tags for representingthe units for the three models. For ... Mat-sumoto (2003) for English, Kudo and Matsumoto(2000; 2002), Sekine et al. (2000) for Japanese,Chung and Rim (2004) for Korean, Nivre et al.(2004) for Swedish, Nivre and Nilsson (2005) for Czech,...

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

... model orders are 4-grams for the baseline system and 6-grams for the seg-mented Arabic. The average sentence length is 33 for English, 25 for non-segmented Arabic and 36 for segmented Arabic.To ... datasize, we use a trigram LM for the baseline, anda 4-gram for segmented Arabic. In this case, theaverage sentence length is 9 for English, 8 for Ara-bic, and 10 for segmented Arabic.5.3 Translation ... thebase word itself. Word-level linguistic informationas well as context analysis are needed. For exam-ple the written form wly can mean either ruler orand for me, depending on the context. Only...

Tài liệu Báo cáo khoa học: A facile method for expression and puriﬁcation of the Alzheimer’s disease-associated amyloid b-peptide pdf

... incu-bated for 4 days with each of the peptides (10 lm), andcells were ﬁxed and used for immunocytochemical analyses.ImmunocytochemistryNeurons were ﬁxed in 4% paraformaldehyde for 20 minat ... to transformed Ca2+-competent E. colicells (ER2566) by heat shock. The transformed cells werespread on LB agar plates containing ampicillin(50 mgÆL)1), single colonies were picked for 2 ... performed inpositive reﬂector mode, collecting data from approximately3000 and 5000 single laser shots for MS and MS ⁄ MS anal-yses, respectively.Preparation of aggregate-free monomer for ﬁbrillation...

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