large scale acquisition of paraphrases for learning surface patterns
Báo cáo khoa học: "A System for Large-Scale Acquisition of Verbal, Nominal and Adjectival Subcategorization Frames from Corpora" pot
... Meeting of the Association of Computational Linguistics, pages 912–919,Prague, Czech Republic, June 2007.c2007 Association for Computational LinguisticsA System for Large- Scale Acquisition of ... state -of- the-art performance on all three sets.1 IntroductionResearch into automatic acquisition of lexical in-formation from large repositories of unannotatedtext (such as the web, corpora of ... enhancing the performance of state -of- art statistical systems and for improving theportability of these systems between domains.One type of lexical information with particularimportance for NLP is...
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Tài liệu Báo cáo khoa học: "Inducing Gazetteers for Named Entity Recognition by Large-scale Clustering of Dependency Relations" ppt
... a large amount of dependency relationsin Web documents. To our knowledge, no one elsehas performed this type of clustering on such a large scale. Wikipedia also produced a large gazetteer of ... learning community because of theneed for learning from very large sets of data. Chuet al. (2006) presented the MapReduce framework for a wide range of machine learning algorithms, in-cluding the ... There-fore, performing the clustering with a vocabularythat is large enough to cover the many named entitiesrequired to improve the accuracy of NER is difficult.We enabled such large- scale...
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A simple large scale synthesis of very long aligned silica nanowires
... production of large- quanti-ties of high-purity (no metal catalysis contamina-tion) and ultralong (millimeters) SiO2nanowires(most of the wires have uniform diameters of $50nm, while some of them ... IntroductionIn the development of nanotechnology, nano- scale optical wires are of both scientific and tech-nological interest because of their potential appli-cations for localization of light, low-dimensionalwaveguides, ... reveals thediameter distribution of the nanowires. As seenfrom this image, most of the wires have uniformdiameters of $50 nm, while some of them havethinner diameters of 5–10 nm. A high-magnifica-tion...
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Báo cáo khoa học: "Experiments on the Choice of Features for Learning Verb Classes" potx
... choice of verb features is crucial for the learning of verb classes. This pa-per presents clustering experiments on168 German verbs, which explore therelevance of features on three levels of verb ... presents the clustering results for D1and D2, with D2 distinguishing the amount of PPinformation (arg for arguments only, chosen for the manually defined PPs, all for all possible PPs).As ... clauses (i), finite clauses (s-2 for verb second clauses, s-dass for dass-clauses, s-ob for oh-clauses, s-w for indirect wh-questions),and copula constructions (k). For example, sub-categorising...
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Báo cáo khoa học: "The key role of semantics in the development of large-scale grammars of natural language" pdf
... in particular and to development of (the lex-icon of) large- scale computational grammars of natural language based on HPSG in general. As anI dmtc stands for directed_motion_to_contact.2FIG(URE) ... the spirit of the MRS-based analysis for theGerman verbs gieflen and fi,illen that we have pre-sented above, we propose that the semantic prop-erties of the arguments of one of the most ... location.(17) CONTENT value of sch/agendmtcl '2schlagen-directed_motion_to_contact-relimmediate consequence, (the lexicon of) a large- scale computational grammar of German, like theone...
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facile large scale synthesis of ws2 nanotubes from wo3 nanorods prepared by a hydrothermal route
... whichallows the synthesis of large amounts of multiwalled nan-otubes (MWNTs). A HRTEM image of one such represen-tative MWNT is shown in Fig. 4c. The interlayer spacing of 0.65 nm between the ... top of the inner MWNT. This could be explained by the formation of WS2in the vapour phase followed by the growth of WS2layers on the preexisting WS2nanotubes. When the reduc-tion period of ... Ministry for Research andTechnology (BMBF) for the support of this research withinthe program “Multifunctional Materials and MiniaturizedDevices” at the University of Mainz and the DeutscheForschungsgmeinschaft...
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large scale synthesis of single-crystal hexagonal tungsten trioxide
... particularcrystal surface, therefore, inhibiting the growth of thesefaces by lowering their surface energy. To investigate theinfluence of different ions on the formation of WO3naowires, other ... K2SO4inducethe formation of the 1D nanostructures of h-WO3.However, the add ition of KNO3and LiBr only leads tothe formation of microparticles. It is likely that only thesulfate could leads to the formation ... increases of the amount of sulfate from 0.5 to 1.0 g.(Figs. 8 and 9) Excess amounts of the sulfate had noobvious effect on the wire morphology and crystal form.The details of the effect of sulfate...
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Tài liệu Báo cáo khoa học: "Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT" pdf
... results for algorithms 1 and 4 onthe Europarl data (ep) for different devtest and testsets. Europarl data were used in all runs for train-ing and for setting the meta-parameter of number of epochs. ... an approach to scaling discrimina-tive learning for SMT not only to large featuresets but also to large sets of parallel training data.Since inference for SMT (unlike many other learn-ing problems) ... handful of dense features need to be tuned,minimum error rate training can be done on smalltuning sets and is hard to beat in terms of accuracyand efficiency. In contrast, the promise of large- scale...
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Tài liệu Báo cáo khoa học: "Bucking the Trend: Large-Scale Cost-Focused Active Learning for Statistical Machine Translation" docx
... exception in the AL for NLP field wasthe work of Hwa (2000), which makes a point of using # of brackets to measure cost for a syntac-tic analysis task instead of using # of sentences.Another ... Number of Foreign Words AnnotatedBLEU ScoreNumber of Foreign Words Annotatedthe approx. 54,500 foreign wordswe selectively sampled for annotation cost = $205.80last approx. 700,000 foreign ... active learning for sequence labeling. InProceedings of the Joint Conference of the 47th An-nual Meeting of the ACL and the 4th InternationalJoint Conference on Natural Language Processingof...
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Báo cáo khoa học: "Leveraging Reusability: Cost-effective Lexical Acquisition for Large-scale Ontology Translation" potx
... Cost-effective Lexical Acquisition for Large- scale Ontology Translation G. Craig Murray Bonnie J. Dorr Jimmy Lin Institute for Advanced Computer Studies University of Maryland {gcraigm,bdorr,jimmylin}@umd.edu ... thesaurus of 56,000 concepts used to catalogue a large archive of oral histories. Our experi-ments demonstrate a cost-effective tech-nique for accurate machine translation of large ontologies. ... (2005). Automatic acquisition of bilingual rules for extrac-tion of bilingual word pairs from parallel corpora. In Proceedings of the ACL-SIGLEX Workshop on Deep Lexical Acquisition (pp. 87-96)....
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Review of the Need for a Large- scale Test Facility for Research on the Effects of Extreme Winds on Structures pptx
... wind-tunnel testing of small -scale models, wind-tunnel testing of large- scale of full -scale components, full -scale testing in the natural environment, and large- scale or full -scale testing of components ... Need for a Large- scale Test Facility for Researchon the Effects of Extreme Windson StructuresCommittee to Review the Need for a Large- scale Test Facility for Research on the Effects of Extreme ... the construction of a new facility.Copyright © National Academy of Sciences. All rights reserved.Review of the Need for a Large- Scale Test Facility for Research on the Effects of Extreme Winds...
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Using information technology in teaching and learning reading skill of english for biology for 2nd-year students
... lecturers of the Faculty of English and students of the Faculty of Agro-biology raised the quality of teaching and learning reading English for Biology with IT recently?In fact, the students of the ... because of their limited proficiency of English. At HNUE, the non-English-major students rarely search ESP information on the Internet for study; they often search their professional information ... genderA bigger number of students (58%) had 6 to 11 years of learning English; 42% of the students had 2 to 5 years of learning English. Most of them had learnt English before they entered HNUE....
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