corpusbased induction of syntactic structure models of dependency and constituency
Tài liệu Báo cáo khoa học: "Computationally Efficient M-Estimation of Log-Linear Structure Models∗" doc
... Joint and conditional estimation of tagging and parsing models. In Proc. of ACL.D. Klein and C. D. Manning. 2002. Conditional structure vs.conditional estimation in NLP models. In Proc. of EMNLP.J. ... minimization of (w) as a way of training a log-linear model.4 Algorithms for Models of Sequences and TreesWe discuss here some implementation aspects of theapplication of M-estimation to NLP models. 4.1 ... IntroductionLog-linear models are a very popular tool in naturallanguage processing, and are often lauded for per-mitting the use of “arbitrary” and “correlated” fea-tures of the data by a model. Users of log-linearmodels...
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Tài liệu Báo cáo khoa học: "Parsing with generative models of predicate-argument structure" pptx
... the probability of this dependency can only be estimated from occur-rences of the same construction, since dependency relations are defined in terms of local trees and notin terms of the underlying ... betweenthe dependency relations of Hij and geeft in thefirst sentence, bloem and geeft in the second sen-tence and politieman and geeft in the third sentence.Even with the indices, either the dependency ... mod-els on section 23 in terms of the accuracy of lexicalcategories, Parseval scores, and in terms of the re-covery of word-word dependencies in the predicate-argument structure. Here, results are...
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Báo cáo khoa học: "Unlexicalised Hidden Variable Models of Split Dependency Grammars∗" pdf
... derivation of a sequence of left dependents of u, we redefine the right-hand side of Lpu\L1vas 1lv, L1w Lqu\L1w and include the production 1lv, L1w →1lvL1win the set of ... that governs both v and w, and wprecedes v. To encode the linear relationship be-tween w and v, we redefine the right-hand side of Rpu/R1vas Rqu/R1wR1w, 1rv and include the pro-duction ... massivelexicalisation of dependency models might not benecessary to achieve competitive performance. Fu-ture work will lie in investigating the issue of lex-icalisation in the context of dependency parsing...
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Báo cáo khoa học: "Scalable Inference and Training of Context-Rich Syntactic Translation Models" pptx
... com-plement span of any node n to each of its children, and for each of them, add the span of the childto the complement span of all other children. Inanother traversal of G, we determine ... ex-traction and derivation building algorithm.963lhs1: NP-C(x0:NPB PP(IN (of) x1:NP-C)) (NP -of- NP)lhs2: PP(IN (of) NP-C(x0:NPB PP(IN (of) NP-C(x1:NPB x2:VP)))) (of- NP -of- NP-VP)lhs3: ... possible ways of attaching to constituents of π: besides the highest attachment (rule (f)),can move along the ancestors of France, since it isto the right of the translation of that word, and beconsidered...
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Báo cáo khoa học: "Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger of English" pot
... set of features: the article before; the POS before and after; the preposition before and after, and the syntactic category before and after the word be-ing labeled. The features used in both of ... The set of predicates query member-ship of all levels of the taxonomy for all WordNetsenses of the word being tagged. An example of one such predicate is shown in the figure.Only 63% of running ... strong im-provements in overall system accuracy: dependency knowledge improved perfor-mance over all classes of word, and knowl-edge of the position of a word in an on-tological hierarchy increased...
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Báo cáo khoa học: "PCFGs, Topic Models, Adaptor Grammars and Learning Topical Collocations and the Structure of Proper Names" ppt
... between twovery different kinds of probabilistic models; LDA models of the kind used for topic modelling, and PCFGs, which are a standard model of hierarchi-cal structure in language. The embedding ... LDAtopic models and PCFG-style grammars. We jus-tified this claim by presenting several hybrid mod-els that combine aspects of both topic models and 1155Proceedings of the 48th Annual Meeting of ... 2009).Here we present an adaptor grammar based onthe insights of the PCFG encoding of LDA topic models that learns some of the structure of propernames. The key idea is that elements in propernames...
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A methodology for validation of integrated systems models with an application to coastal-zone management in south-west sulawesi
... soundness and completeness of model structure together with the plausibility and correctness of the model behaviour”. The process of establishing the validity of the model structure and model ... years of experience, source of knowledge and level of interest of expert i on a certain set of questions, respectively. Their values are in the range between zero and two. The result of Eq. ... (Stephens and Hess, 1999; Turner, 2000; De Kok and Wind, 2002). These studies are often involved with the design and application of a number of Integrated Systems Models (ISMs). These models are...
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STRUCTURE ANALYSIS OF POLYSACCHARIDE ESTERS
... spectralintegralsoftheprotonsoftheAGUandthemethylprotonsofthepropionylmoietycan be applied to calculate both the partial and the overall DS values of the acetateby means of Eqs. (8.2) and (8.3).Fig. ... and back-titration of the excess base is one of the oldest and easiestmethods for the determination of the DS. In the case of short-chain aliphaticesters (C2–C4) of glucans, galactans and ... the structure determination of cellulose acetate by FAB-MS after per-methylation, perdeuteromethylation and random cleavageWithin the scope of this chapter, the analysis of the distribution of...
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Models of motherhood in the abortion debate - self-sacrifice versus self-defence
... thecase of pregnancy, if a woman consents to the eVects of the fetus, we have anexample of the symbiotic ideal of mother and child that cultures so oftenidealize. However, given the quality and ... woman and a fetus.There is much to value, of course, in locating the abortion decision withinthe framework of women’s traditional roles, and such a portrayal of theabortion decision as part and ... withhomicide of the inhabitants of the farm house, he can rightly point out that the object of the law of homicide is to save life, and that by his conduct he has eVected a netsaving of innocent...
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- models of acceptance sampling
- and increased knowledge of the human understanding of how the operation of the physical world surroundings through controlled methods
- corpusbased induction of syntactic structure
- models of dependency and constituency
- models of split dependency grammars∗
- corpus based induction of syntactic structure
- topic models adaptor grammars and learning topical collocations and the structure of proper names
- the four elements of the economic way of thinking includes all of the following except
- proceedings of the american society of civil engineers journal of the hydraulics division
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