a discriminative latent variable model for statistical machine translation

... (MT06) and 2008 (MT08) data sets All bilingual corpora available for the NIST 2008 constrained data track of Chinese-to-English MT task are used as training data, which contain 5.1M sentence pairs, ... language model is used as an additional feature Trang 7Phrasal rules are extracted on all bilingual data, hierarchical rules used in DHPB and reordering rules used in SCFG-HMD are extracted from a ... Chinese-to-English translation tasks 1 Introduction Besides tremendous efforts on constructing more complicated and accurate models for statistical machine translation (SMT) (Och and Ney, 2004; Chiang, 2005;

Ngày tải lên: 07/03/2014, 22:20

... Machine Translation and Multilingual NLP. Machine Translation, 14:159– 161. Franz J. Och and Hermann Ney. 2003. A Systematic Comparison of Various Statistical Alignment Mod- els. Computational ... translation (N-gram or syntactic tree), these agreement features can influence the translation. But this locality cannot be guaranteed in either phrase-based or syntax-based Statistical Machine Translation ... 311– 318. Horacio Saggion and Ariadne Carvalho. 1994. Anaphora Resolution in a Machine Translation Sys- tem. In Proceedings of the International Con- ference on Machine Translation: Ten Years On, November,

Ngày tải lên: 17/03/2014, 22:20

... Trang 1Adaptation of Statistical Machine Translation Model for Cross-LingualInformation Retrieval in a Service Context Vassilina Nikoulina Xerox Research Center Europe vassilina.nikoulina@xrce.xerox.com ... on Statistical Machine Trans-lation, pages 182–189 Association for Computa-tional Linguistics. Caroline Brun, Vassilina Nikoulina, and Nikolaos La-gos 2012 Linguistically-adapted structural ... on Statistical Machine Translation, pages 1–28, Athens, Greece, March Association for Computational Linguistics. David Chiang, Yuval Marton, and Philip Resnik. 2008 Online large-margin training

Ngày tải lên: 24/03/2014, 03:20

... sennrich@cl.uzh.ch Abstract We investigate the problem of domain adaptation for parallel data in Statistical Machine Translation (SMT) While tech-niques for domain adaptation of monolin-gual data can be ... borrowed for parallel data, we explore conceptual differences between translation model and language model do-main adaptation and their effect on per-formance, such as the fact that translation models ... models An unadapted, out-of-domain language model trained on data sets provided for the WMT 2011 transla-tion task, and an adapted language model which is the linear interpolation of all data

Ngày tải lên: 17/03/2014, 22:20

... we augment SAGE with two sparse latent variables that model the region and time of a document, as well as a third sparse latent 740 Trang 2variable that captures the interactions among the re-gion, ... Latent variable models, such as latent Dirichlet al-location (LDA) (Blei et al., 2003) and probabilistic latent semantic analysis (PLSA) (Hofmann, 1999), have been used in the past to facilitate ... Trang 1Historical Analysis of Legal Opinions with a Sparse Mixed-Effects Latent Variable Model William Yang Wang1 and Elijah Mayfield1 and Suresh Naidu2 and Jeremiah Dittmar3 1School

Ngày tải lên: 23/03/2014, 14:20

... power analysis for tifactor analysis of variance (ANOVA), including split-plot and randomized block factorial designs Although conceptual issues for power analysis are similar in factorial ANOVA and ... However, power analysis is applicable to a very wide range of statistical tests, and the same simple and general model can be applied to virtually all of the statistical analyses you are likely to ... in small samples, there may be little reason to test for it statistically), and researchers are often unwilling to abandon the tra-ditional criteria for statistical significance that are accepted

Ngày tải lên: 09/08/2017, 10:28

... survival analysis for all TCGA LUAD patients and GEO LUAD patients according to the 16-gene-based model stratified by clinical stage, gender, age, and smoking status a TCGA LUAD patients b GEO LUAD ... mechanisms of this prevalent and devastating disease Methods Data acquisition and preprocessing The TCGA LUAD legacy level-3 RNA-Seq data, con-taining 515 tumor samples and 59 adjacent normal samples, ... prognostic factor for LUAD patients after adjusted by these clinical variables (Table 2) Besides, age and stage were also found significant in both LUAD patient datasets In order to further validate

Ngày tải lên: 17/06/2020, 17:59

... Sydney, Australia, July. Association for Computa- tional Linguistics. Jacob Andreas, Nizar Habash, and Owen Rambow. 2011. Fuzzy syntactic reordering for phrase-based statistical machine translation. ... Chunk-lattices for verb reordering in Arabic- English statistical machine translation. Machine Trans- lation, Published Online. David Chiang. 2005. A hierarchical phrase-based model for statistical ... Matrices for Phrase-Based Statistical Machine Translation Arianna Bisazza and Marcello Federico Fondazione Bruno Kessler Trento, Italy {bisazza,federico}@fbk.eu Abstract This paper presents a

Ngày tải lên: 19/02/2014, 19:20

... activities and regulation of transplacental transport and uptake mechanisms.To date, only limited information on binding and holoparticle-uptake of lipoproteins by choriocarcinoma cell lines is available ... Reverse-transcriptase-polymerase chain reaction Total RNA from choriocarcinoma cell lines was isolated by using RNeasy kit (Qiagen, Vienna, Austria).Three micro-grams of total RNA were treated with ... blot analysis Total RNA was isolated from choriocarcinoma and human liver tissues (used as a positive control) by the RNA-easy kit (Qiagen) exactly as described [40].A 553-bp fragment, amplified

Ngày tải lên: 20/02/2014, 23:20

... Sadat 2006 Arabic preprocessing schemes for statistical machine translation In NAACL. H Hassan, K Sima’an, and A Way 2007 Supertagged phrase-based statistical machine translation In ACL. M Johnson ... The mathematics of statistical machine translation: Parameter estimation Computational Linguistics, 19(2):263– 313. D Cer, M Galley, D Jurafsky, and C D Manning 2010 Phrasal: A statistical machine ... Orthographic and mor-phological processing for English-Arabic statistical machine translation Machine Translation, 26(1-2):25–45. A Fraser, M Weller, A Cahill, and F Cap 2012 Modeling inflection and

Ngày tải lên: 16/03/2014, 19:20

... character can be assigned one of two possi-ble boundary tags: “B” for a character that begins a word and “I” for a character that occurs in the mid-dle of a word We denote a candidate character ... the features We refer readers to read the above paper for details For parameter estimation, our work adopt the Passive-Aggressive (PA) framework (Crammer et al., 2006), a family of margin based ... idioms Statistical segmentation mod-els are then performed on these smaller character se-quences We use a local classifier to predict the POS tag with positional information for each character Each

Ngày tải lên: 17/03/2014, 00:20

... In ACL, pages 1492–1501. J Hajiˇc, M Ciaramita, R Johansson, D Kawahara, M Ant`onia Mart´ı, L M`arquez, A Meyers, J Nivre, S Pad´o, J ˇStˇep´anek, P Straˇn´ak, M Surdeanu, N Xue, and Y Zhang ... integrated algorithm we are looking for has to be transition-based at the top level The advan-tages of the graph-based approach – a more glob-ally informed basis for the decision among dif-ferent attachment ... in the beam are recalculated based on a scoring model inspired by the graph-based parsing ap-proach, i.e., taking complete factors into account as they become incrementally available As a con-sequence

Ngày tải lên: 17/03/2014, 22:20

... generic model, called entity name model, which can capture the variations (including full name, aliases, acronyms and misspellings) of an entity's name using a statistical translation model ... 1984. Michael Jeffrey Jordan NBA Player Basketball Player Chicago Bulls NBA Sport Organization NBA Team Knowledge Base Employer-of IS-A IS-A IS-A IS-A IS-A Pa rt-of Jordan Bulls Figure 1 A Demo ... Macro-Averaged Accuracy (Macro-Accuracy): measures entity linking accuracy averaged over all the target entities As in TAC 2009, we used Micro-Accuracy as the primary performance metric We compared

Ngày tải lên: 23/03/2014, 16:20

... E25-201 Cambridge, MA 02139, USA Internet: pn@ai.mit.edu, berwick@ai.nfit.edu Abstract This paper shows how to formally characterize lan- guage learning in a finite parameter space as a Markov ... FOR THE MARKOV CHAIN MODEL Perhaps the most significant advantage of the Markov chain formulation is that one can calculate the number of examples needed to acquire a language. Recall it is ... alternatives to the TLA that avoid the local maxima problem. As it stands the learner only changes a parameter setting if that change allows the learner to analyze the sentence it could not analyze

Ngày tải lên: 23/03/2014, 20:21

... same image Assume that the database containsN images, denoted as { I1, , I N }, and thatv scales, denoted as S = { s1, , s v }, are used for watershed segmentation Given a scales q, we assume ... These images contain a wide range of contents, such as landscapes, ani-mals, plants, and buildings These data categories are classi-fied according to human concepts such as “beautiful rose,” “autumn,” ... per-formances are bad at the beginning of the retrieval The rea-son is that only few positive feedbacks at the beginning are available, and hence the training data are insufficient for ac-curately

Ngày tải lên: 22/06/2014, 19:20

... weight for variablex j at timet −1 in the driving function of variable x i If variablex j is an activator of variablex i, thena ji = 1; if variablex j is an inhibitor of variablex j, thena ji = −1; ... organized around a check-point (trigger gene T) that integrates for-ward and feedback signals For example, within a module, the trigger geneT balances forward and feedback signals to avoid initiation ... obtaining a similar dy-namical behavior Due to the random delays applied at every time step in the signals, the waveform widths and the period of the cycle are somewhat variable and longer than

Ngày tải lên: 22/06/2014, 19:20

... parameters are explained using stand variables such as number of trees per hectare, basal area, dom-inant height, etc., as explanatory variables The second approach is to add the stand variables directly ... stand variables by means of graphical and correlation analysis The coefficients β0 and β1 did not have a relationship with any stand variables, however H2 had a high correlation with dominant ... stand variables through cor-relation analysis and matrix-graphical analysis, and then were replaced by functions of the stand variables to develop a generalized height-diameter model 2.2.2 Model

Ngày tải lên: 08/08/2014, 00:22

... Trang 1DOI: 10.1051/forest:2004037Original article A two-step mortality model for even-aged stands of Pinus radiata D Don in Galicia (Northwestern Spain) a Departamento de Ingeniería Agroforestal, ... al [35] and Pienaar and Shiver [30] are similar to equation (7) Among these, only Pienaar’s model includes site index as an independent variable The mathematical expressions of these models are ... the natural mortality process of a fast-growing species like radiata pine in Galicia, although irregular climatic conditions during this period may have effects on mortality rates that are balanced

Ngày tải lên: 08/08/2014, 01:21

... Viale A Manzoni 30 – 00185 Rome, Italy. Email: Simona Panunzi* - simona.panunzi@biomatematica.it; Pasquale Palumbo - palumbo@iasi.rm.cnr.it; Andrea De Gaetano - andrea.degaetano@biomatematica.it ... system has been the object of repeated mathematical modeling attempts [12-23,23-30] The mere fact that several models have been proposed shows that mathematical, statistical and physi-ological considerations ... immediately centrifuged and plasma was separated Plasma glucose was measured by the glucose oxidase method (Beckman Glucose Analyzer II, Beckman Instru-ments, Fullerton, CA, USA) Plasma insulin was

Ngày tải lên: 13/08/2014, 16:21

... Word, Syntax-based Approach Hendra Setiawan In this thesis, we investigate a specific area within Statistical Machine Trans- lation (SMT): the reordering task — the task of arranging translated words ... phrase translation as context Along this same idea, there are also some other proposals, such as (Zens and Ney, 2006; Nagata et al., 2006; Al-Onaizan and Papineni, 2006) that differ from each ... motivates ‘An example of stateless model is the translation probability in the standard phrase-based model, while an example of the stateful model is the n-gram language model, which estimation

Ngày tải lên: 14/09/2015, 08:47