... 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
Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx
... 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 ... 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 ... 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
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "Perplexity Minimization for Translation Model Domain Adaptation in Statistical Machine Translation" potx
... 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
Chinese word segmentation with a maximum entropy approach
... another tag for a character that occurs in themiddle of a word; another tag for a character that ends a word; and anothertag for a character that occurs as a single-character word This is similar to ... approaches combine the use of dictionary and statistical informationfor word segmentation Compared with purely statistical approaches, hybridapproaches have the guidance of a dictionary and as ... incorporate additional dic-tionary features based on an external word list, and to use extra trainingdata annotated in other word segmentation standards Corpora of differentsegmentation standards are
Ngày tải lên: 03/10/2015, 20:33
2010 statistical power analysis a simple and general model for traditional and modern hypothesis tests
... 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
A large cohort study identifying a novel prognosis prediction model for lung adenocarcinoma through machine learning strategies
... 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, ... pro-moter and result in a favorable prognosis [27] Elevated Table 2 Univariate and multivariate analyses of clinicopathological factors and risk model in TCGA and GEO LUAD cohorts Trang 9expression
Ngày tải lên: 17/06/2020, 17:59
Tài liệu Báo cáo khoa học: "Modified Distortion Matrices for Phrase-Based Statistical Machine Translation" doc
... 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
Tài liệu Báo cáo khoa học: Trophoblast-like human choriocarcinoma cells serve as a suitable in vitro model for selective cholesteryl ester uptake from high density lipoproteins pdf
... 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
Báo cáo khoa học: "A Class-Based Agreement Model for Generating Accurately Inflected Translations" pptx
... 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
Báo cáo khoa học: "The Best of Both Worlds – A Graph-based Completion Model for Transition-based Parsers" pot
... on/from a stack representation) Obviously, the learning can be based on the fea-ture information available at a particular snapshot in incremental processing, i.e., only surface in-formation for ... 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
Báo cáo khoa học: "A Generative Entity-Mention Model for Linking Entities with Knowledge Base" doc
... 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
Báo cáo khoa học: "A MARKOV LANGUAGE LEARNING MODEL FOR FINITE PARAMETER SPACES" pptx
... 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
Báo cáo hóa học: " Research Article A Learning State-Space Model for Image Retrieval" pdf
... 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
Báo cáo hóa học: " Research Article A Robust Structural PGN Model for Control of Cell-Cycle Progression Stabilized by Negative Feedbacks" pdf
... 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 ... (i.e., after tran-scription and translation) form multiprotein complexes, that interact with each other, integrating extracellular signals— not shown—, regulating metabolic pathways (arrow 3), pathways ... 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
Báo cáo lâm nghiệp: "A stochastic height-diameter model for maritime pine ecoregions in Galicia (northwestern Spain)" doc
... ANTAb, Bernard R PARRESOLc, Juan Gabriel ÁLVAREZ GONZÁLEZb a Departamento de Ingeniería Agraria, Universidad de León, Escuela Superior y Técnica de Ingeniería Agraria, Campus de Ponferrada, 24400 ... 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
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "A two-step mortality model for even-aged stands of Pinus radiata D. Don in Galicia (Northwestern Spain)" doc
... 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, ... 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 ... radiata in Galicia Mean, maximum and minimum values and standard deviations (SD) for the main stand variables (for the first and second inventory of the 130 sample plots) are presented in Table I
Ngày tải lên: 08/08/2014, 01:21
Báo cáo y học: "A discrete Single Delay Model for the Intra-Venous Glucose Tolerance Test" pptx
... 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
A maximum margin dynamic model with its application to brain signal analysis
... general areaof the cortex the electrode is located above A stands for auricular, C for central, Fp for prefrontal, F for frontal, P for parietal, O for Occipital, and T for temporal In addition, ... and a maximum margin principle was used to learn the model We vi Trang 7presented a formulation for the structured maximum margin learning, taking vantage of the Markov random field representation ... These are common features distinguished by BCIs Trang 30Waveforms may be regular, having a fairly uniform appearance due to rical rising and falling phases One example of a regular waveform would
Ngày tải lên: 11/09/2015, 21:51
Reordering in statistical machine translation a function word, syntax based approach
... 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