word clustering and disambiguation based on cooccurrence data
Báo cáo khoa học: "Word Clustering and Disambiguation Based on Co-occurrence Data" pdf
... Figure 4: Compound noun disambiguation results We next conducted structural disambiguation on the test data, using the probabilities estimated based on 2D -Clustering and Brown. We also tested ... data. We hand-labeled the test data with the correct dis- ambiguation 'answers.' We performed clustering on the nouns on the left position and the nouns on the right position in the ... the problem of clustering words (or con- structing a thesaurus) based on co-occurrence data, and using the acquired word classes to improve the accuracy of syntactic disambiguation. We view this...
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Báo cáo khoa học: "Word Clustering and Word Selection based Feature Reduction for MaxEnt based Hindi NER" ppt
... featurereduction based on word clustering and se-lection. A number of word similarity mea-sures are proposed for clustering words forthe Named Entity Recognition task. A fewcorpus based statistical ... important words for previous two and next two positions along with the suffix, prefix,digit and POS information.5.3 Relative Effectiveness of Clustering and Word SelectionIn most of the cases clustering ... Important Word SelectionThe details of the comparison between the word fea-ture and the reduced features based on important word selection are given in Table 6. For the sur-rounding word features,...
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Báo cáo khoa học: "Dependency Parsing and Projection Based on Word-Pair Classification" ppt
... fluctuation along withthe alteration of r.17Type FeaturesUnigram word i◦ posi word iposi word j◦ posj word jposjBigram word i◦ posi◦ word j◦ posjposi◦ word j◦ posj word i◦ word j◦ ... ourmodel and the transition -based category is thatthey all need a classifier to perform classificationconditioned on a certain configuration. However,they differ from each other in the classification ... for convenience. ACollins distance comprises the answers of 6 ques-tions:• Does word i precede or follow word j?• Are word i and word j adjacent?• Is there a verb between word i and word...
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Tài liệu Báo cáo khoa học: "Cross-lingual Parse Disambiguation based on Semantic Correspondence" pptx
... limitedto align two languages only. The algorithm is veryflexible, and allows for straightforward explorationof different numbers and combinations of languages.6 Conclusion and Future WorkTranslating ... language and vice versa,which allows for disambiguation of phenomenawhich are ambiguous in only one of the languages.We use the above observations for cross-lingualparse disambiguation. We ... Computational Linguistics, pages 125–129,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsCross-lingual Parse Disambiguation based on Semantic CorrespondenceLea...
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Tài liệu Báo cáo khoa học: "Going Beyond AER: An Extensive Analysis of Word Alignments and Their Impact on MT" pdf
... with j FL words and i Englishwords. For SU and SG, the majority of the phrasescontain only one FL word, and the percentage ofthe phrases with more than 2 FL words is less than18%. For the ... long-standing questions aboutthe value of alignment in the context of MT.We first evaluate 5 different word alignmentsintrinsically, using: (1) community-standardmetrics—precision, recall and ... were scored usingtranslation probabilities and lexical weights in twodirections and a phrase penalty score. We also usea language model, a distortion model and a word penalty feature for MT.We...
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The Breast Cancer Epidemic: Modeling and Forecasts Based on Abortion and Other Risk Factors potx
... Team, Information Services Division (ISD), NHS NationalServices, Scotland. Computing was done by Andrew Chan and Lee Young.none disclosed.Trendsin Cancer Survival in Scotland 1971-1995REFERENCES1Goldacre ... and abortion:collaborative reanalysis of data from 53 epidemiological studies.2004;363:1007-1016.Erlandsson G, Montgomery SM, Cnattingius S, Ekborn A. Abortions and breast cancer: record based ... for Republic of Ireland;2004 for England & Wales, Scotland, Northern Ireland, and Sweden; 2003 for Czech Republic and Finland; 2001 for Denmark).Linear Regression. Response variable: cumulated...
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Báo cáo khoa học: "Structural Disambiguation Based on Reliable Estimation of Strength of Association" potx
... modificand relation. Experiment Disambiguation of dependency re- lations was done using 75 anlbiguous con- structions from Fukumoto (1992). Solving the ambiguity in the constructions involves ... experiment on the data that consists of all the 21,046 semantically annotated verb-noun- preposition-noun constructions found in EDR English Corpus. We set aside 500 constructions for test and ... identifica- tion of a reliable and specific class for each co- occurrence in consideration and can deal with date sparseness problem more efficiently. It 1421 Structural Disambiguation Based on Reliable...
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Báo cáo " All-optical NAND and AND gates based on 3x3 general interference multimode interference couplers" pdf
... All-optical NAND and AND Gates based on 3x3 GI-MMI couplers Theory: The conventional MMI coupler has a structure consisting of a homogeneous planar multimode waveguide region connected to a ... AND, NOT and NOR gates in waveguides consisting of nonlinear material, IEICE Transactions on Electronics, vol. E83-C (2000) 1755. [7] W. Youfa, L. Jianhua, All-fiber logical devices based on ... order to obtain a nonlinear interaction. In addition, since the nonlinear coefficient is often small, long interaction lengths are generally required. Moreover, devices based on nonlinear effects...
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Báo cáo khoa học: "Information Classification and Navigation Based on 5W1H of the Target Information" doc
... classification I Figure 1: 5WIH classification and navigation 3 5WIH Classification and Navigation Conventional keyword -based retrieval does not con- sider logical relationships between keywords. ... information on the lattice produced by the existence of keywords (Carpineto and Romano, 1995). 5WlH classification and navigation is unique in that it is based on keyword functions, not on the ... understand intuitively. The clusters have no logical meaning because they depend on a keyword set based on the frequency that keywords occur. Scatter/Gather is clustering information based on...
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báo cáo hóa học:" A comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data" potx
... not for citation purposes)Journal of Translational MedicineOpen AccessResearchA comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data Lung-Cheng ... the complex relationship betweenCFS and SNPs.Conclusion: We demonstrated that our approach is a promising method to assess theassociations between CFS and SNPs.BackgroundChronic fatigue syndrome ... tested responders, and specificity, the proportion of correctly predicted non-responders of all the tested non-responders.To investigate the generalization of the prediction modelsproduced...
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Báo cáo khoa học: "Word classification based on combined measures of distributional and semantic similarity" docx
... biggest S(c).3 Test data and evaluation methodsThe proposed method was tested on the dis-tributional data on nouns obtained from two cor-pora: the British National Corpus (BNC) and theAssociated ... relativeimprovement).ReferencesE.Alfonseca and S.Manandhar. 2002. Extending aLexical Ontology by a Combination of Distribu-tional Semantics Signatures. Proceedings ofEKAW-2002:1-7.A.Budanitsky and G.Hirst. 2001. ... distance inWordNet: An experimental, application-orientedevaluation of five measures. Proceedings of NorthAmerican Chapter of ACL Workshop on WordNet and Other Lexical Resources.U.Hahn and K.Schattinger....
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Báo cáo khoa học: " Word Sense Disambiguation in Untagged Text based on Term Weight Learning" ppt
... collocations using similarity- based estimation. Next, we present a clustering method and a method for verbal word sense dis- ambiguation using the result of clustering. Fi- nally, we report on ... the data we used in our experiment. 8 Conclusion In this study, we proposed a method for disam- biguating verbal word senses using term weight learning based on similarity -based estimation. ... her/his intuition, how many senses a word has, and then identify the sets of co-occurring words that correspond to the different senses. 213 Proceedings of EACL '99 and the synonymy of take...
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Báo cáo khoa học: "Estimating Upper and Lower Bounds on the Performance of Word-Sense Disambiguation Programs" docx
... P., R. Ilson, J. Ayto, et al. (1978), Longman Dictionary of Contemporary English, Longman, Harlow and London. Salton, G. (1989) Automatic Text Processing, Addison-Wesley. Shipstone, E. (1960) ... (Mosteller and Wallace, 1964, section 3.1) and information retrieval (IR) (van Rijsbergen, 1979, chapter 6; Salton, 1989, section 10.3), though their application to word- sense disambiguation is ... large. I. It is common to use very small contexts (e.g., 5-words) based on the observation that people seem to be able to disambiguate word- senses based on very little context. We have taken...
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Báo cáo khoa học: "Topic Models for Word Sense Disambiguation and Token-based Idiom Detection" pdf
... combinations of literal paraphrases whichonly consist of nouns and nonliteral paraphraseswhich only consist of verbs.6 ConclusionWe propose three models for sense disambigua-tion on words and ... distribution and sampling a word from thattopic, the enhanced model also generates a distri-butional neighbour for the chosen word and thenassigns a sense based on the word, its neighbour and the ... the con-ditional word- document probability distributionp(w|d) into two different distributions: the word- topic distribution p(w|z), and the topic-documentdistribution p(z|d) (see Equation 1)....
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- systems based on linux
- chulalongkorn university in thailand this smalllab kit was created as a result of the research project entitled chemistry laboratory based on chemical safety and pollution minimization sponsored by thai research fund rdg 3072543 one of the outcomes of t
- periurban and urban consumers on the reasons for not consuming organic products the two main reasons advanced is that organic products are expensive according to 60 of the consumers in the transkei
- and the debate on multiculturality
- disambiguation based on cooccurrence data
- tv operations based on data collected
- annotations based on eyetracking data
- on the computational complexity of clustering and related problems
- chinese word sense disambiguation based on context expansion
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