Báo cáo khoa học: " Extending Latent Semantic Analysis with features for dialogue act classiﬁcation" pot

... FLSA: Extending Latent Semantic Analysis with features for dialogue act classiﬁcationRiccardo SeraﬁnCEFRIELVia Fucini 220133 Milano, ... (Kintsch,2001). We will show that for our task, dialogue act classiﬁcation, syntactic features do not help, butmost dialogue related features do. Surprisingly, one dialogue related feature that ... IllinoisChicago, IL 60607 USAbdieugen@cs.uic.eduAbstractWe discuss Feature Latent Semantic Analysis (FLSA), an extension to Latent Semantic Analysis (LSA). LSA is a statistical method that is...

Báo cáo khoa học: "On-Line Semantic Analysis of English Texts" ppt

... paragraphs, using a system of semantic analysis programmed in Q32 LISP 1.5. The system of semantic analysis comprises dictionary codings for the text words, coded forms of permitted message, ... implication for a computable system of analysis is that it should contain some facility for dealing with this situation. As Bolinger puts it, "A semantic theory must account for the process ... express a word sense. I can summarize with recursive definitions of formula and well-formed formula: 1. A formula is a binarily bracketed string of formulas and atoms. 2. An atom is a marker,...

Tài liệu Báo cáo khoa học: "Combining Lexical Semantic Resources with Question & Answer Archives for Translation-Based Answer Finding" doc

... terms “mosquito” (for question 2) and “form” (for question 3), but only their inﬂected forms“mosquitoes” and “formed”.6 Conclusion and Future WorkWe have presented three datasets for training sta-tistical ... oftolerance for inexact or partial answers:• MAP1, R-Prec1: exact answer (1)• MAP1,5, R-Prec1,5: exact answer (1) or par-tial answer (5)• MAP1,4,5, R-Prec1,4,5: exact answer (1) ... semantic relatedness measures with respectto human relatedness rankings for reference wordpairs. This study provides empirical evidence for the high quality of the semantic information en-coded in...

Tài liệu Báo cáo khoa học: "Syntactic and Semantic Transfer with F-Structures*" pptx

... directly with the named semantic- based transfer approach. Third, we compare the two approaches with each other, and with co-description and restric- tion operator based approaches. 2 Syntactic ... encoding of information essential to steer trans- fer. Of course, semantics does not come for free nor does it always blend as seamlessly with syntac- tic representations as one would hope for. Se- ... into sets of terms and vice versa} F-structure 1For motivation why we prefer term representations PRED features and their " ;semantic form" values are given special treatment. Instead...

Báo cáo khoa học: "Coarse Lexical Semantic Annotation with Supersenses: An Arabic Case Study" docx

... USA{nschneid@cs.,behrang@,ko@cs.,nasmith@cs.}cmu.eduAbstract“Lightweight” semantic annotation of textcalls for a simple representation, ideally with- out requiring a semantic lexicon to achievegood coverage ... require prohibitive expertise and ef-fort to apply.2We therefore turn to supersense tags(SSTs), 40 coarse lexical semantic classes (25 for nouns, 15 for verbs) originating in WordNet. Previ-ously ... Association for Computational Linguistics, pages 253–258,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsCoarse Lexical Semantic Annotation with Supersenses:An...

Tài liệu Báo cáo khoa học: "Exploring the Use of Linguistic Features in Domain and Genre Classification" potx

... all lemmata, POS for POS information, and PP for POS and punctuation in- formation. In the CL-experiments, we did not control for the potential contribution of punctuation features to the ... The low average performance of IBL is due to bad results for k = 1; for higher k, IBL performs as well as LVQ. Overall, performance de- creases with increasing number of features. IBL is rather ... which only shows for 500 and 1000 lemma features. Lemma and POS fre- quency information apparently conflict, with POS frequency leading to overgeneralization. Maybe semantic features describe...

Báo cáo khoa học: "Entailment-based Text Exploration with Application to the Health-care Domain" pot

... document actually says. For instance, the facets for the query ‘asthma’ in the faceted search engineYippy include the concepts allergy and children, butdo not specify what are the exact relations ... procedure to afragment of the entailment graph for ‘asthma’ (i.e., for propositional templates with ‘asthma’ as one ofthe arguments).Taxonomy for arguments The optional concepttaxonomy maps ... typical non-experthealth information searcher is uncertain about herexact questions and is unfamiliar with medical ter-minology (Trivedi, 2009). Exploring relevant infor-mation about a given...

Báo cáo khoa học: "Grammar Prototyping and Testing with the LinGO Grammar Matrix Customization System" pot

... morphemes’forms and their co-occurrence restrictions, but per-haps not their morphosyntactic features. The usercan then, post-customization, augment these rules with the missing information.2.1.2 ... customization system arecompatible in format and semantic representations with existing DELPH-IN tools, including software for grammar development and for applications in-cluding machine translation ... predicates to use for verbs, nouns, determiners, and any other parts ofspeech that a given MRS template may require. For nouns and determiners, the choices ﬁle is searched for the predicate for one noun...

Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot

... for computing syntactic complexity features, we used a combina-tion of the Stanford Parser and Tregex for compu-ting both clause- and sentence-based features as well as parse-tree-based features, ... to extract these 13 CB features from parsing results where the parser is provided with one sentence at a time. By applying the same selec-tion criteria as before, except for allowing for cor-relations ... effective features, se-lected from a large set of features proposed previously and some new features designed in analogous ways from a syntactic complexity perspective that correlate well with...

Báo cáo khoa học: "Leveraging Reusability: Cost-effective Lexical Acquisition for Large-scale Ontology Translation" potx

... concepts, while not of great value for access to segments of video, may be important for organizing other concepts and for browsing the hierarchy. These factors must be balanced in developing ... {gcraigm,bdorr,jimmylin}@umd.edu Jan Hajič Pavel Pecina Institute for Formal and Applied Linguistics Charles University {hajic,pecina}@ufal.mff.cuni.cz Abstract Thesauri and ontologies provide impor-tant ... as cross-language information retrieval and ma-chine translation help humans access information they could not otherwise find or understand, they are often inadequate for highly specific domains....

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