combining lexical semantic resources
Tài liệu Báo cáo khoa học: "Combining Lexical Semantic Resources with Question & Answer Archives for Translation-Based Answer Finding" doc
... Questions) in therest of the paper.3.2 Lexical Semantic Resources Glosses and definitions for the same lexeme in dif-ferent lexical semantic and encyclopedic resources can actually be considered ... glosses provided for thesame term by different lexical semantic re-sources. We compare monolingual trans-lation models built from lexical semantic resources with two other kinds of datasets:manually-tagged ... termby different lexical semantic resources to auto-matically train the translation models. This ap-proach has been very recently made possible bythe emergence of new kinds of lexical seman-tic...
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Tài liệu Báo cáo khoa học: "Evaluating the Inferential Utility of Lexical-Semantic Resources" ppt
... should therefore be included in a lexical en-tailment resource.3 Evaluating Entailment Resources Our evaluation goal is to assess the utility of lexical- semantic resources as sources for entail-ment ... limi-tations of available resources for lexical- semantic inference. Works that do provide quantitativeinformation regarding resources utility have fo-cused on few particular resources (Kouylekov ... andempirical contributions. We presented a novelevaluation methodology for the utility of lexical- semantic resources for semantic inference. To thatend we proposed definitions for entailment at sub-sentential...
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Báo cáo khoa học: "Mapping between Compositional Semantic Representations and Lexical Semantic Resources: Towards Accurate Deep Semantic Parsing" docx
... representations and lexical semantic resources. A probabilistic model comprisingMinimal Recursion Semantics (MRS) struc-tures and lexicalist oriented semantic featuresis acquired. Lexical semantic roles ... Computational LinguisticsMapping between Compositional Semantic Representations and Lexical Semantic Resources: Towards Accurate Deep Semantic ParsingSergio Roa†‡, Valia Kordoni† and Yi Zhang†Dept. ... parser semantic outputs in formof MRS structures and lexical semantic resources. The experiment result shows that the Bayesian net-work reliably maps MRS predicate-argument struc-tures to semantic...
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Báo cáo khoa học: "Coarse Lexical Semantic Annotation with Supersenses: An Arabic Case Study" docx
... and coverage. Thispaper describes coarse lexical semantic annotationof Arabic Wikipedia articles subject to these con-straints. Traditional lexical semantic representationsare either narrow ... of a semantic lexicon.4In this work we focuson the noun SSTs, summarized in figure 2 and ap-plied to an Arabic sentence in figure 1.SSTs both refine and relate lexical items: theycapture lexical ... inter-annotator agreement.1 IntroductionThe goal of “lightweight” semantic annotation oftext, particularly in scenarios with limited resources and expertise, presents several requirements for arepresentation:...
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Báo cáo khoa học: " The Development of Lexical Resources for Information Extraction from Text Combining Word Net and Dewey Decimal Classification" potx
... for the domain 227 Proceedings of EACL '99 The Development of Lexical Resources for Information Extraction from Text Combining WordNet and Dewey Decimal Classification* Gabriela Cavagli~t ... Ex- traction from text. Generic resources (e.g., lexical databases) are promising for reducing the cost of specific lexica defi- nition, but they introduce lexical ambi- guity. This paper ... lexicon) for IE applications by using both a small corpus and WordNet. 2 Developing IE Lexical Resources Lexical information in IE can be divided into three sources of information (Kilgarriff,...
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Tài liệu Báo cáo khoa học: "A Large Scale Distributed Syntactic, Semantic and Lexical Language Model for Machine Translation" doc
... than the size of latent semantic class variables.Thus, latent semantic class variables function as bot-tleneck variables to constrain word occurrences indocuments.When combining n-gram, m order ... g in semantic annotation stringGlof the lth sentence Wlin document d,#(w−1−n+1wh−1−mg, Wl, Tl, Gl, d) is the countof n-grams, its m most recent exposed headwordsand semantic ... agreement may be possible by incorporatingsyntactic structure and semantic information into theBLEU score evaluation. For example, semanticallysimilar words like “insure” and “ensure” in the ex-ample...
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Tài liệu Báo cáo khoa học: "A High-Accurate Chinese-English NE Backward Translation System Combining Both Lexical Information and Web Statistics" pdf
... Huang, Fei, Stephan Vogel, and Alex Waibel. 2003. Improving Named Entity Translation Combining Phonetic and Semantic Similarities. HLT-NAACL 2004: 281-288. Lam, Wai, Ruizhang Huang, and Pik-Shan ... SScore(Cn, GN) would be discussed in detail in the following subsec-tions. 3.2.1 Lexical Similarity The lexical similarity concerns both phonetic values and word senses. An NE may consist ... style of creation titles are less formulated. Many titles are not translated by lexical information, but by semantic information or else. For exam-ple, “Mr. & Mrs. Smith” is translated...
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Tài liệu Báo cáo khoa học: "Mining metalinguistic activity in corpora to create lexical resources using Information Extraction techniques: the MOP system" doc
... Learning POS tagging & Partial parsing Semantic labeling Database template fillup Mining metalinguistic activity in corpora to create lexical resources using Information Extraction techniques: ... specific semantic relations and subcategorization information from free-text has been successfully carried out in the past (Hearst, 1999; Manning, 1993), automatically ex-tracting lexical resources ... ar-eas. DEFINDER and MOP both show great poten-tial as robust lexical acquisition systems capable of handling the vast electronic resources available today to researchers and laymen alike, helping...
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Tài liệu Báo cáo khoa học: "Accumulation of Lexical Sets: Acquisition of Dictionary Resources and Production of New Lexical Sets" pdf
... ~ups LEXICAL SYSTEM physical supports real lexical sets virtual lexical sets lexical groups Conclusion and perspective Although we have not yet been able to evaluate all the lexical ... organization for lexical systems can be proposed. Fundamentally, a lexical system has real LSs as basic elements. Its performance is augmented with the use of virtual LSs and lexical groups. ... lexical group comprises a number of LSs (real or virtual) that a user uses in a work, and a set of operations which he may need to do on them. A lexical group is thus a workstation in a lexical...
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Tài liệu Báo cáo khoa học: "Question Answering by Lexical Fabric and External Resources" ppt
... the lexical knowledge fabric by unearthing the "synony-mous" terms. Thus to overcome the QA gap atthe lexical and syntactic levels, QUALIFIERlooks up WordNet to fmd words that are lexicallyrelated ... Sq for g".5.3 Integration of External Resources To link questions and answers at all the four lev-els of gaps, i.e., the lexical, syntactic, semantic and discourse levels, we need to combine ... 0.412Table 3: The Precision Score of 25 Web Runs6.2 Using External Resources To investigate the performance of combining lexical knowledge such as WordNet and externalresource like the Web,...
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Báo cáo khoa học: "HAL-based Cascaded Model for Variable-Length Semantic Pattern Induction from Psychiatry Web Resources" pdf
... set, of which 39 sentences contain a semantic pattern of length two, 21 sen-tences contain a semantic pattern of length three, and 9 sentences contain a semantic pattern of length four. The ... in-stead refer to the web resources, or more restrict-edly, the psychiatry web resources as our knowl-edge resource. Corpus-based approaches can automatically learn semantic patterns from domain ... devise a text mining framework for variable-length semantic pattern induction from psychiatry web resources. Traditional approaches to semantic pattern in-duction can be generally divided...
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Báo cáo khoa học: "Improved Lexical Alignment by Combining Multiple Reified Alignments" potx
... (you), en1= (that), en2 = (is, not), en3 = (and), en4= (.)} and 155Improved Lexical Alignment by Combining Multiple ReifiedAlignmentsDan Tufiú Institute for Artificial Intelligence ... dependency-based locality feature. The algorithm searches forthe links of the lexical dependencies around the candidate link. 5 Combining the reified alignments From a given alignment one can compute ... the lexical tokens of the link)from which it was extracted. We call this proce-dure alignment reification. The properties of the links of two or more alignments are used for our methods of combining...
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Báo cáo khoa học: "Using lexical and relational similarity to classify semantic relations" pptx
... similarity: lexical similarityand relational similarity. We present anefficient and flexible technique for imple-menting relational similarity and show theeffectiveness of combining lexical and ... linear combinationof pairwise lexical similarities:psim((w1, w2), (w3, w4)) = (1)α[wsim(w1, w3)] + β[wsim(w2, w4)]A great number of methods for lexical semantic similarity have ... better than thebest results obtained with either the lexical orthe relational model taken alone. The best resultis obtained by the combining the lexical kernelcomputed on BNC conjunction features...
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Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL" potx
... Cogni-tion, 24(2):267–283.M. Heilman, K. Collins-Thompson, J. Callan, andM. Eskenazi. 2007. Combining lexical and gram-matical features to improve readability measures forfirst and second language ... 2009.c2009 Association for Computational Linguistics Combining a Statistical Language Model with Logistic Regression toPredict the Lexical and Syntactic Difficulty of Texts for FFLThomas ... furtheranalyses are planned. The predictive capacity ofsome other lexical and grammatical features willbe explored. At the lexical level, statistical lan-guage models seems to be best, and...
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Báo cáo khoa học: "A Re-examination of Query Expansion Using Lexical Resources" pptx
... expansion using information only from man-ually created lexical resources. In this paper, we re-examine the problem of queryexpansion using lexical resources in recently pro-posed axiomatic framework ... expansion using only hand-crafted lexical resources. In particular, we first study afew term similarity functions exploiting the infor-mation from two lexical resources: WordNet anddependency-based ... information from lexical resources to sig-nificantly improve the retrieval performance.Our empirical results on six TREC collec-tions show that query expansion using onlyhand-crafted lexical resources...
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