a unified statistical model
Báo cáo khoa học: "A Unified Statistical Model for the Identification of English BaseNP" pptx
... important subtask formany natural language processing applications,such as partial parsing, information retrieval andmachine translation. A baseNP is a simple nounphrase that does not contain other ... pp.218-224.COLING-ACL’98Lance A. Ramshaw and Michael P. Marcus ( InPress). Text chunking using transformation-basedlearning. In Natural Language Processing UsingVery large Corpora. Kluwer. Originally appearedin ... otherapproaches where the two steps areseparated, we integrate them into a unified statistical framework. Our model alsointegrates lexical information. Finally,Viterbi algorithm is applied...
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Tài liệu Báo cáo khoa học: "A Unified Graph Model for Sentence-based Opinion Retrieval" pdf
... represented by a bag-of-word. Among the words, there is a topic term Avatar (t1) occurring twice, i.e. Avatar in A and Avatar in C, and two senti-ment words comfortable (o1) and favorite (o2) ... 4.1.1 Benchmark Datasets Our experiments are based on the Chinese benchmark dataset, COAE08 (Zhao et al., 2008). COAE dataset is the benchmark data set for the opinion retrieval track in the ... document. A weighted dictionary was generated from previous TREC relevance data (Amati et al., 2007). This dictionary was submit-ted as a query to a search engine to get an initial query-independent...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
... be divided into statistical algorithms and rule-based algorithms. Statistical algorithms generally use character n-gram (Eojeol1 or Eumjeol2 n-gram in Korean) (Kang and Woo, 2001; Kwon, ... it needs a word dictionary and takes long time for searching many character combinations. 614.2 Experiment Results and Analyses We used two separate Eumjeol n-grams as lan-guage models for ... single Jaso tran- 3 Jaso is a Korean character. 4 ‘Transition’ means the correct character is changed to other character due to some causes, such as typographical errors. sition case (나와욧Æ나와요...
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Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx
... systemlearns this as a non-transliteration but it is wronglyannotated as a transliteration in the gold standard.Arabic nouns have an article “al” attached to themwhich is translated in English as ... usesHidden Markov Models (Nabende, 2010; Darwish,2010; Jiampojamarn et al., 2010), Finite State Au-tomata (Noeman and Madkour, 2010) and Bayesianlearning (Kahki et al., 2011) to learn transliterationpairs ... InternationalLanguage Resources and Evaluation (LREC’10), Val-letta, Malta.Sittichai Jiampojamarn, Kenneth Dwyer, Shane Bergsma,Aditya Bhargava, Qing Dou, Mi-Young Kim, andGrzegorz Kondrak....
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Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt
... a consensus translation technique to bootstrap parallel data using off-the-shelf translation sys-tems for training a hierarchical statistical transla-tion model for general domain instant ... SMS normalization. 2.3 SMS Normalization versus Text Para-phrasing Problem Others may regard SMS normalization as a para-phrasing problem. Broadly speaking, paraphrases capture core aspects ... minimal adaptation. One advantage of this pre-translation normalization is that the di-versity in different user groups and domains can be modeled separately without accessing and adapting...
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Tài liệu Báo cáo khoa học: "A Localized Prediction Model for Statistical Machine Translation" ppt
... set of candidates. This computational advantageis the main reason that we adopt the local model in thispaper.3.3 Global versus Local ModelsBoth the global and the localized log-linear models ... paper, we present a block-based model for statis-tical machine translation. A block is a pair of phraseswhich are translations of each other. For example, Fig. 1shows an Arabic-English translation ... Boston, MA, May.Christoph Tillmann and Fei Xia. 2003. A Phrase-basedUnigram Model for Statistical Machine Translation. InCompanian Vol. of the Joint HLT and NAACL Confer-ence (HLT 03), pages...
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Tài liệu Báo cáo khoa học: "Modelling Early Language Acquisition Skills: Towards a General Statistical Learning Mechanism" potx
... for cepstral mean normalisation (CMN) and cep-stral mean and variance normalisation (CMVN). Stage 2: A local-match distance matrix is then calculated by measuring the cosine distance be-Speech ... lan-guage and building a lexicon, whereas grammar is learnt via non -statistical methods later on. Sei-denberg et al. (2002) believe that learning grammar begins when statistical learning ... the computational and mathematical methods to those that model be-havioural data of human speech perception and production within five main areas: Front-end Processing: Research and devel-opment...
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Báo cáo khoa học: "A Statistical Model for Lost Language Decipherment" pptx
... co-occurrence analysis oper-ate over large corpora, which are typically unavail-able for a lost language.Finally, Knight and Yamada (1999) and Knightet al. (2006) describe a computational HMM-based ... structural sparsity constraints oncharacter-level mappings. We assume that an ac-curate alphabetic mapping between related lan-guages will be sparse in the following way: eachletter will map to a ... Publishers.Benjamin Snyder and Regina Barzilay. 2008. Cross-lingual propagation for morphological analysis. InProceedings of the AAAI, pages 848–854.Wilfred Watson and Nicolas Wyatt, editors. 1999.Handbook...
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Báo cáo khoa học: "Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features" pdf
... Lexical Chain Features 4.1 Chain starts and ends We follow (Chan et al. 2007) to model the lexi-cal chain starts and ends at a story boundary with a statistical distribution. We apply a window ... consideration and statistically modeled. 2 Experimental Setup Experiments are conducted using data from the TDT-2 Voice of America Mandarin broadcast. In particular, we only use the data from ... terms and locating instances of time where the count of chain starts and ends (boun-dary strength) achieves local maxima. Chan et al. (2007) enhanced this approach through statistical modeling...
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A two-factor model (Duffie & Kan)
... first solve (1) and (2) simultaneously numerically, and then integrate (3) to obtain the function A .32.3 CalibrationLet0 0be given. The value at timetof a bond maturing at timet + ... ,1222C22 ;(3) A 0 = 0;Chapter 32 A two-factor model (Duffie & Kan)Let us define:X1t=Interest rate at timetX2t=Yield at timeton a bond maturing at timet + 0LetX10 ... CHAPTER 32. A two-factor model (Duffie & Kan)32132.2 Zero-coupon bond pricesThe value at timet Tof a zero-coupon bond paying $1 at timeTisB t; T =IE"exp,ZTtX1u...
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Human Resource Portals and the Protean Career A Three-Factor Model
... portals. It isessentially the organizational culture and employee attitudes toward change thatmatter.Organizational FactorsOrganizational factors include organizational culture, opportunities ... employees, they may impact the remaining two. For instance, managers maydevelop an organizational culture that facilitates the implementation of changes,and specifically technological changes. To ... technology and particularly the Internet andthe World Wide Web has dramatically changed how organizations operate.The most far-reaching changes to careers are coming from transformations ofwork and...
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Shaking a box of sand I – a simple lattice model
... transition. As mentioned in an earlier chapter, thedensity may attain values that are substantially higher than random close packing,and quite close to the crystalline limit [131, 132]. An analogous ... investigations.The model [174] is based on the generalisation of an earlier cellular automaton(CA) model [22, 75, 83, 165] of an avalanching sandpile. This version of the model contains only near-neighbour ... very asymmetrically shaped, and there is a strong preferredorientation, the nonequilibrium regime of granular dynamics will carry all the usualcharacteristics of ageing.Now recall that that...
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64 A Unified Instrumental Variable
... algorithm can be summarizedas follows:Assumptions— A batch of N samples of the array output y(t), that can accurately bedescribed by the model (64.1) and (64.2) is available. The array is calibrated ... allowedto be arbitrarily spatially correlated with an unknown covariance matrix. Assumption A3 isawell-known condition that, under a weak restriction on m, guarantees DOA parameter identifiability ... scenarios, two planar wavefronts arrive from DOAs 0◦and 5◦relative to the array broadside.Unless otherwise stated, the emitter signals are zero-mean Gaussian with signal covariance matrix...
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- a joint statistical model
- a phrasebased statistical model
- a unified graph model
- a unified approach to statistical language modeling for chinese
- a unified statistical methodology for modeling fatigue damage
- a unified statistical model for the identification of english basenp
- a unified statistical model of the premixed turbulent flame
- a unified statistical model of conflict onset and escalation
- a phrasebased statistical model for sms text normalization
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