pos tagging for a chinese parser
Báo cáo khoa học: "TBL-Improved Non-Deterministic Segmentation and POS Tagging for a Chinese Parser" pdf
... is a hand-crafted Chinese grammar. For such a system, as proba-bly for any parsing system that presupposes seg-mented (and tagged) input, the accuracy of thesegmentation and POS tagging analyses ... rules learned in a TBL training run canstraightforwardly be translated into a cascade ofFST rules.3.2.1 Transformation-Based Learning andµ-TBLTBL is a machine learning approach that has beenemployed ... Grace Ngai, Yongsheng Yang, and Ben-feng Chen. 2004. A maximum-entropy Chinese parser augmented by transformation-based learning.ACM Transactions on Asian Language InformationProcessing (TALIP),...
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Tài liệu Báo cáo khoa học: "Joint Word Segmentation and POS Tagging using a Single Perceptron" docx
... to avoid error propagation and make useof POS information for word segmentation, segmen-tation and POS tagging can be viewed as a singletask: given a raw Chinese input sentence, the joint POS ... used as training and test data for development.The standard F-scores are used to measure boththe word segmentation accuracy and the overall seg-mentation and tagging accuracy, where the overallaccuracy ... tags are assigned to eachcharacter to represent its segmentation and POS. For example, the tag “bNN” indicates a character atthe beginning of a noun. Using this method, POS features are allowed...
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Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf
... at the same time, we expand boundarytags to include POS information by attaching a POS to the tail of a boundary tag as a postfix followingNg and Low (2004). As each tag is now composedof a ... is a better idea to perform segmentation and POS tagging jointly in a uniform framework. Ac-cording to Ng and Low (2004), the segmentationtask can be transformed to a tagging problem by as-signing ... propose a cascaded linear model for joint Chinese word segmentation and part-of-speech tagging. With a character-basedperceptron as the core, combined with real-valued features such as language...
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Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx
... information for each character.Each 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. ... on Nat-ural Language Learning at HLT-NAACL 2003, pages200–203.Nianwen Xue, Fei Xia, Fu-Dong Chiou, and MarthaPalmer. 2005. The penn chinese treebank: Phrasestructure annotation of a large ... representa-tion (Ramshaw and Marcus, 1995) and the Start/Endrepresentation (Kudo and Matsumoto, 2001) arepopular. For example, the label B-NN indicates that a character is located at the begging of a noun....
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Báo cáo khoa học: "An Error-Driven Word-Character Hybrid Model for Joint Chinese Word Segmentation and POS Tagging" docx
... dictionary, haveregular POS tags. Character-level nodes have spe-cial tags where position-of-character (POC) and POS tags are combined (Asahara, 2003; Naka-gawa, 2004). POC tags indicate the ... Chinese Word Segmentation and POS Tagging Canasai Kruengkrai†‡and Kiyotaka Uchimoto‡and Jun’ichi Kazama‡Yiou Wang‡and Kentaro Torisawa‡and Hitoshi Isahara†‡†Graduate School of Engineering, ... 277–284.Tetsuji Nakagawa and Kiyotaka Uchimoto. 2007. A hybrid approach to word segmentation and pos tag-ging. In Proceedings of ACL Demo and Poster Ses-sions.Tetsuji Nakagawa. 2004. Chinese and japanese...
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Báo cáo khoa học: "Automatic Adaptation of Annotation Standards: Chinese Word Segmentation and POS Tagging – A Case Study" potx
... ACL and AFNLPAutomatic Adaptation of Annotation Standards: Chinese Word Segmentation and POS Tagging – A Case StudyWenbin Jiang†Liang Huang‡Qun Liu††Key Lab. of Intelligent Information ... and Representation: Bootstrapping AnnotatedLanguage Data.David Chiang. 2007. Hierarchical phrase-based trans-lation. Computational Linguistics, pages 201–228.Michael Collins and Brian Roark. ... liuqun}@ict.ac.cn liang.huang.sh@gmail.comAbstractManually annotated corpora are valuablebut scarce resources, yet for many anno-tation tasks such as treebanking and se-quence labeling there...
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Báo cáo khoa học: "A Comparison of Chinese Parsers for Stanford Dependencies" ppt
... classification. Journal of Machine LearningResearch, 9:1871–1874, June.Jan Hajiˇc, Massimiliano Ciaramita, Richard Johansson,Daisuke Kawahara, Maria Ant`onia Mart´ı, Llu´ıs M`arquez,Adam ... dependency parsers).3 ResultsTable 3 tabulates efficiency and performance for allparsers; UAS and LAS are unlabeled and labeled at-tachment scores, respectively — the standard crite-ria for evaluating ... Computa-tional Linguistics.Alexander M. Rush, David Sontag, Michael Collins, andTommi Jaakkola. 2010. On dual decomposition and linearprogramming relaxations for natural language processing....
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Tài liệu Báo cáo khoa học: "A CONNECTIONIST PARSER FOR STRUCTURE UNIFICATION GRAMMAR" docx
... GRAMMARS The grammars which are supported by the parser are a subset of those for Structure Unification Grammar. These grammars are for the most part lexicalized. Each lexicalized grammar ... Categorial Grammar, Lexi- cal Functional Grammar, and Head-driven Phrase Structure Grammar. An SUG grammar is a set of partial descrip- tions of phrase structure trees. Each SUG gram- mar ... In Lawrence Davis, editor, Genetic Algorithms and Simulated Annealing, chapter 11, pages 141- 154. Morgan Kaufmann Publishers, Los Altos, CA. Shastri, Lokendra and Ajjanagadde, Venkat (1990)....
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Báo cáo khoa học: "Incremental Joint Approach to Word Segmentation, POS Tagging, and Dependency Parsing in Chinese" potx
... Kruengkrai, Kiyotaka Uchimoto, Jun’ichiKazama, Yiou Wang, Kentaro Torisawa, and HitoshiIsahara. 2009. An error-driven word-character hybridmodel for joint Chinese word segmentation and POS tagging. ... a sequence of POS tags. The joint approach to word segmentation and POS tagging has been reported to improve word seg-mentation and POS tagging accuracies by more than1% in Chinese (Zhang and ... model is fundamentally a com-bination of the features used in the state-of-the-artjoint segmentation and POS tagging model (Zhangand Clark, 2010) and dependency parser (Huang andSagae, 2010),...
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Báo cáo khoa học: "SVD and Clustering for Unsupervised POS Tagging" docx
... Lamar* Division of Applied Mathematics Brown University Providence, RI, USA mlamar@dam.brown.edu Yariv Maron* Gonda Brain Research Center Bar-Ilan University Ramat-Gan, Israel syarivm@yahoo.com ... Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL), pages 296–305. Marina Meilă. 2003. Comparing clusterings by the variation of information. In Bernhard ... on accuracy. Evaluation was done against the POS- tag annotations of the 45-tag PTB tagset (hereafter PTB45), and against the Smith and Eisner (2005) coarse version of the PTB tagset (hereafter...
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Báo cáo khoa học: "A Statistical Parser for Czech*" ppt
... of a morphological analy- sis program, and also with the single one of those tags that a statistical POS tagging program had predicted to be the correct tag (Haji~ and Hladka, 1998). Table ... morphological analyzer. The PDT also contains machine-assigned tags and lemmas for each word (using a tagger de- scribed in (Haji~ and Hladka, 1998)). For evaluation purposes, the PDT has been ... A Statistical Parser for Czech* Michael Collins AT&T Labs-Research, Shannon Laboratory, 180 Park Avenue, Florham Park, NJ 07932 mcollins@research, att.com Jan Haj i~. Institute...
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Báo cáo khoa học: "FOR A N EFFICIENT CONTEXT-FREE PARSER AUGMENTED PHRASE-STRUCTURE GRAMMARS" potx
... inserted. Let's take the question: 'Come si sale da Cervinla al Plateau Rosa ?' 'How can one get on the Plateau Rosa from Cervinla ?' and the grammar: Rule1 : PROD: ... I'° I~.°, I1'.°, I~n I FORM3 = la FORM4 = nota FORM5 = polernica CONSTITUENT5 recognizes 'la nota polemica' 'the polemic note' CONSTITUENT7recognizes 'la ... on a SUN workstation, as the main component of a transportable Natural Language Interface (SAIL = Sistema per I'Analisi e I'lnterpretazione del Linguaggio). Subsets of grammars...
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Báo cáo khoa học: "Subword-based Tagging for Confidence-dependent Chinese Word Segmentation" pdf
... character tagging so that part-of-speech tagging approaches can be used for word segmen-tation. This approach was also called “LMR” (Xueand Shen, 2003) or “BIES” (Asahara et al., 2005) tagging. ... soon.ReferencesMasayuki Asahara, Kenta Fukuoka, Ai Azuma, Chooi-Ling Goh, Yotaro Watanabe, Yuji Matsumoto, andTakashi Tsuzuki. 2005. Combination of machinelearning methods for optimum chinese word ... test in Bakeoff 2005, somefeatures, such as syntactic information and characterencodings for numbers and alphabetical characters,are not allowed. Therefore, we used the featuresavailable only...
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Báo cáo khoa học: "Tagging Inflective Languages: Prediction of Morphological Categories for a Rich, Structured Tagset" docx
... morfologickdm/AANS6 1A zna~kov£nf/NNNS6 A (/z: n~kdy/Db t~/Db' zvandm/AAI_S6 IA morfologicko /A2 -/Z: syntaktickd/AAIP1 1A )/z: jazykfi/NNIP2 A s/RR 7 bohatou/AAFS7 1A flexf/NNFS7 ... form, its possible tags and the disambiguated tag. The lemmas are ignored for tagging purposes. 4 The tag from the "disambiguated tag" field as well as the tags from the "possible ... Na~e/PSHS1-P1. metoda/NNFS1 A p~itom/Db. vyu~fvi/VB-S 3P-AA- exponenciilnfho/AAIS2 1A pravd~podobnostnfho/AAI $2 1A modelu/NNIS2 A zalo~endho/AAIS2 1A na/P~ 6 automaticky /Dg 1A...
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Báo cáo khoa học: "The Best of Both Worlds – A Graph-based Completion Model for Transition-based Parsers" pot
... as it iscalculating the update. Zhang and Clark compareaspects of transition-based and graph-based pars-ing, and end up using a transition-based parser with a combined transition-based/second-ordergraph-based ... a suitable amount of training data, themodel can thus learn to make the correct deci-sion. The dynamic-programming based graph-based parser is designed in such a way that anyscore calculation ... many situations, a transition-based parser is forced to make an attachment decision for a given input word at a point where no or onlypartial information about the word’s own depen-dents (and...
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- for a n efficient contextfree parser augmented
- a connectionist parser for structure
- a statistical parser for czech
- constructing a pos tagger for hindi
- predictors for a symbolic parser
- chinese word segmentation and pos tagging
- automatic adaptation of annotation standards chinese word segmentation and pos tagging
- deep learning for chinese word segmentation and pos tagging
- joint chinese word segmentation pos tagging and parsing
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