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framework of semantic role assignment

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Báo cáo khoa học: "Joint Learning Improves Semantic Role Labeling Kristina Toutanova Dept of Computer Science Stanford " pot

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... labels of the semantic argu-ment nodes of a verb. A drawback of local modelsis that, when they decide the label of a parse treenode, they cannot use information about the labelsand features of ... likely assignments gener-ated by a model which makes stronger independenceassumptions. We utilize the top N assignments of our local semantic role labeling model PSRLto gen-erate likely assignments. ... (3)The score of an assignment L not in the top Nis zero. We train the model to maximize the sum of log-likelihoods of the best assignments minus aquadratic regularization term.In this framework, ...
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Báo cáo khoa học: "Prediction of Thematic Rank for Structured Semantic Role Labeling" doc

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... relations among semantic roles mentioned and can be simplified to:Agent  Instrument  Patient/ThemeEmerging from a range of more basic semantic properties of the ranked semantic roles, thematichierarchies ... local semantic role classification results. Exper-imental results show that automatic pre-diction of thematic hierarchy can help se-mantic role classification.1 IntroductionIn Semantic Role ... Computational LinguisticsMinistry of Education, Chinaweiwsun@gmail.com;{wm,szf}@pku.edu.cnAbstractIn Semantic Role Labeling (SRL), it is rea-sonable to globally assign semantic rolesdue to strong dependencies...
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Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers

Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers

Thạc sĩ - Cao học

... 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 discourse29Rank orders units into a hierarchy according to their constituency relation: the highest-ranking units consist of units of...
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Methodology and framework of the study

Methodology and framework of the study

Quản trị kinh doanh

... 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 ... HighHigh and stableprofitHigh but possiblyunstable profitLow and stableprofitLow and unstableprofitTable 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 toselect...
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Tài liệu Advancing gender equality and the empowerment of women: role of development cooperation pdf

Tài liệu Advancing gender equality and the empowerment of women: role of development cooperation pdf

Sức khỏe phụ nữ

... 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...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Unsupervised Semantic Role Induction with Global Role Ordering" doc

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... notion of primaryroles, and each interval generates a sequence of secondary roles and syntactic constituentsusing local features. The global role orderingconsists of the sequence of primary roles ... positioning of other roles. Note that a PR maycorrespond 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 modelfor unsupervised semantic role induction,which integrates local role assignment deci-sions and a global role ordering decision in aunified model. The role sequence is dividedinto...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt

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... (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, inthe 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 shallowparsing for Chinese semantic role labeling. InProceedings of the ACL 2010.Weiwei Sun and Zhifang Sui. 2009. Chinese func-tion tag labeling. In Proceedings of the...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Corpus Expansion for Statistical Machine Translation with Semantic Role Label Substitution Rules" doc

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... a tuple of semantic frame and semantic role a semantic signature. Two phrase pairs with thesame 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 RulesSwapping phrase pairs that serve as the same seman-tic role of the same semantic frame can provide morecombinations of words and phrases. Figure 1 showsan example. The phrase pair...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Scaling up Automatic Cross-Lingual Semantic Role Annotation" docx

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... 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 theJoint Conference of ... Cross-Lingual Semantic Role AnnotationLonneke van der PlasDepartment of LinguisticsUniversity of GenevaGeneva, SwitzerlandPaola MerloDepartment of LinguisticsUniversity of GenevaGeneva, ... forevaluation 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 AmericanChapter of the...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Abstraction and Generalisation in Semantic Role Labels: PropBank, VerbNet or both?" doc

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... translation.The role of theories of semantic role lists is toobtain a set of semantic roles that can apply toany argument of any verb, to provide an unam-biguous identifier of the grammatical roles of theparticipants ... 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 forwhich both a PropBank and a VerbNet label isavailable in the data (roughly 45% of the Prop-Bank semantic roles have a VerbNet semantic role) .2Furthermore,...
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Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx

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... by a vec-tor of integer counts of each sub-tree type (regard-less of its ancestors):Φ(T ) = (# of sub-trees of type 1, . . . ,# of sub-trees of type i, . . . ,# of sub-trees of type n)This ... the constituents in thesentence which fill a semantic role (argument) of the verb have to be recognized.Figure 1 shows an example of a semantic role labeling annotation in PropBank (Palmer et ... lemmaVoice grammatical voice of the predicate, either active or passiveSubCat Sub-category of the predicate’s parent nodePredicate POS part of speech of the predicateSuffix suffix of the predicatePredicate-Constituent...
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