framework of semantic role assignment

Ngày tải lên: 24/03/2014, 03:20

... labels of the semantic argu- ment nodes of a verb. A drawback of local models is that, when they decide the label of a parse tree node, they cannot use information about the labels and features of ... likely assignments gener- ated by a model which makes stronger independence assumptions. We utilize the top N assignments of our local semantic role labeling model P  SRL to gen- erate likely assignments. ...  (3) The score of an assignment L not in the top N is zero. We train the model to maximize the sum of log-likelihoods of the best assignments minus a quadratic regularization term. In this framework, ...

Ngày tải lên: 08/03/2014, 04:22

... relations among semantic roles mentioned and can be simplified to: Agent  Instrument  Patient/Theme Emerging from a range of more basic semantic properties of the ranked semantic roles, thematic hierarchies ... local semantic role classification results. Exper- imental results show that automatic pre- diction of thematic hierarchy can help se- mantic role classification. 1 Introduction In Semantic Role ... Computational Linguistics Ministry of Education, China weiwsun@gmail.com;{wm,szf}@pku.edu.cn Abstract In Semantic Role Labeling (SRL), it is rea- sonable to globally assign semantic roles due to strong dependencies...

Ngày tải lên: 17/03/2014, 02:20

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 12/07/2014, 10:20

... part, to the nature of the participants, their statuses and roles: what kinds of role relationships obtain among the participants, including permanent and temporary relationships of one kind or ... alternative ways of construing reality, and interpersonal metaphor, which offer alternative possibilities of expressing modal meanings (metaphors of modality), or exchanging commands (metaphors of mood). ... the role of metaphor in description of emotion in poetic discourse 29 Rank orders units into a hierarchy according to their constituency relation: the highest-ranking units consist of units of...

Ngày tải lên: 07/11/2012, 14:44

... National Statistics Office, Ho Chi Minh City Statistics Office, Ministry of Industry, Ho Chi Minh City Department of Industry as well as from newspapers, media, etc. The framework of this study can ... High High and stable profit High but possibly unstable profit Low and stable profit Low and unstable profit Table 2.1 The impact of entry and exit barriers over industry profitability (Hax / Majluf, ... As soon as completing the tasks of identification of the most relevant competitors, of selection of the critical success factors and of developing a competitive profile, companies have to select...

Ngày tải lên: 13/04/2013, 10:32

Ngày tải lên: 26/11/2013, 13:21

Ngày tải lên: 26/11/2013, 13:21

Ngày tải lên: 26/11/2013, 13:21

Ngày tải lên: 26/11/2013, 13:23

Ngày tải lên: 26/11/2013, 13:30

... of women. Despite the prominence of gender issues in the IADGs, effectiveness of development cooperation has not focussed enough on outcomes of gender equality and women’s rights in terms of ... 5 - FORMAT AND ROLE OF PARTICIPANTS The session will open with presentations by panellists on how to best anchor gender equality and the empowerment of women at the centre of a future post-2015 ... indicators in MA frameworks at country level and may also touch upon ways to measure the amount of development cooperation that targets gender equality. It will also address the role of systems in...

Ngày tải lên: 13/02/2014, 07:20

... notion of primary roles, and each interval generates a sequence of secondary roles and syntactic constituents using local features. The global role ordering consists of the sequence of primary roles ... positioning of other roles. Note that a PR may correspond to either a core role or a modifier role. For ease of explication, we create 3 additional PRs: ST ART denoting the start of the role sequence, ... generative model for unsupervised semantic role induction, which integrates local role assignment deci- sions and a global role ordering decision in a unified model. The role sequence is divided into...

Ngày tải lên: 19/02/2014, 19:20

... (CPB) is a semantic anno- tation for the syntactic trees of the Chinese Tree- Bank (CTB). The arguments of a predicate are la- beled with a contiguous sequence of integers, in the form of AN (N ... se- mantic classification of the adjunct. The assign- ment of semantic roles is illustrated in Figure 1, where the predicate is the verb “调查/investigate”. E.g., the NP “事故原因/the cause of the accident” is ... 2010. Semantics-driven shallow parsing for Chinese semantic role labeling. In Proceedings of the ACL 2010. Weiwei Sun and Zhifang Sui. 2009. Chinese func- tion tag labeling. In Proceedings of the...

Ngày tải lên: 20/02/2014, 04:20

... a tuple of semantic frame and semantic role a semantic signature. Two phrase pairs with the same semantic signature are considered valid substi- tutions of each other. The extraction of SSRs ... annotated corpus of semantic roles. Computational Linguistics, 31(1):71– 106. Sameer S. Pradhan, Wayne Ward, Kadri Hacioglu, James H. Martin, and Daniel Jurafsky. 2004. Shal- low semantic parsing ... Substitution Rules Swapping phrase pairs that serve as the same seman- tic role of the same semantic frame can provide more combinations of words and phrases. Figure 1 shows an example. The phrase pair...

Ngày tải lên: 20/02/2014, 04:20

... Proceedings of the Annual Confer- ence of European Association of Machine Translation. D. Wu and P. Fung. 2009b. Semantic roles for SMT: A hybrid two-pass model. In Proceedings of the Joint Conference of ... Cross-Lingual Semantic Role Annotation Lonneke van der Plas Department of Linguistics University of Geneva Geneva, Switzerland Paola Merlo Department of Linguistics University of Geneva Geneva, ... for evaluation of machine translation. J. Lang and M. Lapata. 2010. Unsupervised induction of semantic roles. In Human Language Technologies: The 2010 Annual Conference of the North American Chapter of the...

Ngày tải lên: 20/02/2014, 04:20

... translation. The role of theories of semantic role lists is to obtain a set of semantic roles that can apply to any argument of any verb, to provide an unam- biguous identifier of the grammatical roles of the participants ... language-specific. 7 Generality of Semantic Roles Semantic roles are not meant to be domain- specific, but rather to encode aspects of our con- ceptualisation of the world. A semantic role in- ventory that ... considered occurrences of semantic roles for which both a PropBank and a VerbNet label is available in the data (roughly 45% of the Prop- Bank semantic roles have a VerbNet semantic role) . 2 Furthermore,...

Ngày tải lên: 20/02/2014, 07:20