tagging and parsing models∗
Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx
... Linguistics,24(4):613–632.John Lafferty, Andrew McCallum, and FernandoPereira. 2001. Conditional Random Fields: Prob-abilistic models for segmenting and labeling se-quence data. In Machine ... Lari and S.J. Young. 1990. The estimationof Stochastic Context-Free Grammars using theInside-Outside algorithm. Computer Speech and Language, 4(35-56).Andrew McCallum, Dayne Freitag, and FernandoPereira. ... statis-tically).4 Shift-reduce parsing The previous section compared similiar joint and conditional tagging models. This section com-pares a pair of joint and conditional parsing mod-els. The models...
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Báo cáo khoa học: "Incremental Joint Approach to Word Segmentation, POS Tagging, and Dependency Parsing in Chinese" potx
... SH(t).1048interaction between segmentation and POS tagging. 3 Model3.1 Incremental Joint Segmentation, POS Tagging, and Dependency Parsing Based on the joint POS tagging and dependency parsing model by Hatori ... w.r.t. the training epoch (x-axis) and parsing feature weights (in legend). tagging (Zhang and Clark, 2008; Zhang and Clark,2010) and dependency parsing (Huang and Sagae,2010). Therefore, we can ... q−1 and q−2respectively denote the last-shifted word and theword shifted before q−1. q.w and q.t respectively denote the(root) word form and POS tag of a subtree (word) q, and q.b and q.e...
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Tài liệu Báo cáo khoa học: "Arabic Tokenization, Part-of-Speech Tagging and Morphological Disambiguation in One Fell Swoop" pdf
... Section 6 to the English tagset, and we fur-thermore assume (as do Diab et al. (2004)) the goldstandard tokenization. We then evaluate against thegold standard POS tagging which we have mapped9We ... token (including and excluding punctuation and numbers); BL is the base-linesifiers on TR2. The difference in performance be-tween TE1 and TE2 shows the difference betweenthe ATB1 and ATB2 (different ... isbeneficial in POS tagging, and we believe our resultsare the best published to date for tokenization of nat-urally occurring input (in undiacritized orthography) and POS tagging. We intend...
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Tài liệu Báo cáo khoa học: "Incremental Parsing Models for Dialog Task Structure" doc
... utter-ances and automatically annotated with part-of-speech tag and supertag information and namedentities. They were annotated by hand for dia-log acts and tasks/subtasks. The dialog act and task/subtask ... 2006) and on proba-bilistic context-free grammars (Alexandersson and Reithinger, 1997; Pynadath and Wellman, 2000).In this area, the work most closely related toours is that of Barrett and Weld ... research that are relevantto our work: work on parsing (written and spoken)discourse, and work on plan-based dialog models.Discourse Parsing Discourse parsing is the pro-cess of building a hierarchical...
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Copulas and credit models doc
... freedom. The lefthand plot shows 5000 points from a standard bivariate normal distribution; the right-handplot shows 5000 points from a composite distribution with a t copula and standard normalmargins. ... multivariate t and the hyperbolic.Amemberofthem-dimensional family of variance mixtures of normal distributions isequal in distribution to the product of a scalar random variable S and a normal randomvector ... of a standard d-dimensional normal ran-dom vector with correlation matrix R, and Φ is the distribution function of univariatestandard normal. CGaRis known as the Gaussian copula, and this...
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Báo cáo khoa học: "Large-Scale Cross-Document Coreference Using Distributed Inference and Hierarchical Models " pptx
... multiplemethods of context similarity, and concluded thatagglomerative clustering provides effective meansof inference (Gooi and Allan, 2004). Pedersen etal. (2006) and Purandare and Pedersen (2004) inte-grate ... onLearning on Cores, Clusters and Clouds.Ben Wellner, Andrew McCallum, Fuchun Peng, and Michael Hay. 2004. An integrated, conditional modelof information extraction and coreference with appli-cation ... (Blume,2005; Baron and Freedman, 2008; Popescu et al.,2008). These approaches are greedy and differ in thechoice of the distance function and the clustering al-gorithm used. Daum´e III and Marcu...
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Báo cáo khoa học: "Extracting Opinion Expressions and Their Polarities – Exploration of Pipelines and Joint Models" pot
... an104ReferencesStephan Bloehdorn and Alessandro Moschitti. 2007a.Combined syntactic and semantic kernels for text clas-sification. In Proceedings of ECIR 2007, Rome, Italy.Stephan Bloehdorn and Alessandro Moschitti. ... expressionsegmentation and polarity labeling and comparethem to the joint opinion extractor and polarity clas-sifier by Choi and Cardie (2010). Secondly, we ex-tend the global structure approach and add featuresreflecting ... Therefore,in (Johansson and Moschitti, 2010b), we measuredthe intersection between the system output and thegold standard: every compared segment is assigneda score between 0 and 1, as opposed to...
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Báo cáo khoa học: "PROSODY, SYNTAX AND PARSING" pptx
... for help in generating the phone alignments and duration normalizations, and Bob Moore for helpful comments on a draft. We thank Andrea Levitt and Leah Larkey for their help, many years ago, ... Oohira and A. Ichikawa (1989) "ProsodicM Sentence Structure Inference for Natural Conversational Speech Understanding," ICOT Technical Memorandum: TM-0733. [7] R. Moore, F. Pereira and ... (1989) "Prosody and Parsing, " Proceedings of the DARPA Workshop on Speech and Natural Language, Cape Cod, October, 1989. [9] M. Steedman (1989) "Intonation and Syntax in Spoken...
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Báo cáo khoa học: "DISCONTINUOUS CONSTITUENTS IN TREES, RULES, AND PARSING" pptx
... structure grammar and parsing in general, and DPSG in particular. REFERENCES Bunt, H.C. (1985) Mass terms and model-theoretic semantics. Cambridge University Press, Cambridge, England. Bunt, ... the same qollection if and only if x's leftmost daughter is left of y's leftmost daughter, and there is no node z which is shared by x and y. If the nodes x and y in this definition ... IN TREES, RULES, AND PARSING Harry Bunt, Jan Thesingh and Ko van der Sloot Computational Linguistics Unit Tilburg University, SLE Postbus 90153 5000 LE TILBURG, The Netherlands ABSTRACT This...
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Interest Rates and The Credit Crunch: New Formulas and Market Models potx
... analytically and 27Figure 5: USD swaption volatilities as of November 25, 2008. Strikes and vols are expressedas differences from the respective ATM values. Source: Bloomberg.Andersen and Andreasen ... (2005), Wu and Zhang (2006) and Zhu (2007).In the second, commonly referred to as SABR, the LMMs by Henry-Labord`ere (2007),Rebonato (2007), Mercurio and Morini (2007) and Hagan and Lesniewski ... the pricing formulas for caplets and swaptions. Section 7 introduces stochastic volatility and derives the dynamics of rates and volatilities under generic forward and swap measures. Hints on the...
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Báo cáo khoa học: "Discriminative Strategies to Integrate Multiword Expression Recognition and Parsing" docx
... trained a unified Conditional RandomFields model integrating different standard tagging features and features based on external lexical re-sources. They show a general tagging accuracy of94% on ... (Schuler and Joshi, 2011), etc. From an empirical point ofview, their incorporation has also been consideredsuch as in (Nivre and Nilsson, 2004) for depen-dency parsing and in (Arun and Keller, ... Workshop.T. Baldwin and K.S. Nam. 2010. Multiword Ex-pressions. Handbook of Natural Language Process-ing, Second Edition. CRC Press, Taylor and FrancisGroup.M. -H. Candito and B. Crabb´e....
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Báo cáo khoa học: "Combining data and mathematical models of language change" ppt
... Harada, and R.P. Wayland.2003. Factors affecting stress placement for Englishnonwords include syllabic structure, lexical class, and stress patterns of phonologically similar words.Language and ... Griffiths, and S. Lewandowsky.2007. Iterated learning: Intergenerational knowl-edge transmission reveals inductive biases. Psycho-nomic Bulletin and Review, 14(2):288.M.H. Kelly and J.K. Bock. ... Learning and Development,3(1):43–72.B.S. Phillips. 1984. Word frequency and the actuationof sound change. Language, 60(2):320–342.J.R. Ross. 1973. Leftward, ho! In S.R. Anderson and P. Kiparsky,...
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Báo cáo khoa học: "Joint Hebrew Segmentation and Parsing using a PCFG-LA Lattice Parser" docx
... Adjectives and Nouns(which should agree on Gender and Number and definiteness), and between Subjects and Verbs(which should agree on Gender and Number).3 PCFG-LA Grammar EstimationKlein and Manning ... lexicon) and 77.3 (with the lexicon).For comparison, the previous best results for pars-ing Hebrew are 84.1%F assuming gold segmenta-tion and tagging (Tsarfaty and Sima’an, 2010)9, and 73.7%F ... 2011.Language-independent parsing with empty elements.In Proc. of ACL (short-paper).Marie Candito, Benoit Crabb´e, and Djam´e Seddah. 2009.On statistical parsing of French with supervised and semi-supervised...
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Báo cáo khoa học: "Chinese Unknown Word Identification Using Character-based Tagging and Chunking" docx
... for unknown word detection, and back-ward parsing seems doing slightly better than for-ward parsing. Chinese Unknown Word Identification Using Character-based Tagging and ChunkingGOH Chooi Ling, ... to detect person names and organization namesquite accurately and is also quite satisfactory evenfor low frequency unknown words in the corpus.ReferencesKeh-Jiann Chen and Wei-Yun Ma. 2002. ... Matsuda, KazumaTakaoka, and Masayuki Asahara. 2002. Morphological Analy-sis System ChaSen version 2.2.9 Manual. Nara Insti-tute of Science and Technology.Dayang Shen, Maosong Sun and Changning Huang.1997....
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Báo cáo khoa học: "Formal aspects and parsing issues of dependency theory Vincenzo Lombardo and Leonardo Lesmo" potx
... Formal aspects and parsing issues of dependency theory Vincenzo Lombardo and Leonardo Lesmo Dipartimento di Informatica and Centro di Scienza Cognitiva Universita' ... formal device for the dependency approach to syntax, and to link it with a parsing model. After reviewing the basic tenets of the paradigm and the few existing mathematical results, we describe ... (Eisner 1996) and an object-oriented parallel parsing method (Neuhaus, Hahn 1996). However, dependency theories have never been explicitly linked to formal models. Parsers and applications...
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- cisco pix firewall and asa models
- transitive and latent models
- learning and parsing algorithms
- characterbased tagging and chunking
- ccg and loglinear models
- collapsed consonant and vowel models new approaches
- integrated ccg supertagging and parsing
- joint chinese word segmentation pos tagging and parsing
- arabic morphological tagging diacritization and lemmatization using lexeme models and feature ranking
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