Báo cáo khoa hoc:" A validation study using a modified version of Postural Assessment Scale for Stroke Patients: Postural Stroke Study in Gothenburg (POSTGOT)" ppt

Báo cáo khoa học: "Finding Word Substitutions Using a Distributional Similarity Baseline and Immediate Context Overlap" potx

... distributional similarity baseline (a sub-set of Wikipedia) in an attempt to show that a goodsemantic parse and adequate ﬁltering can providereasonable performance even on domains wheredata is sparse. ... papers is that we add a new layer of veriﬁcation: we extract pairs of verbs using au-tomatically derived semantic patterns, perform a ﬁrst stage of ﬁltering using the semantic signa-tures of ... subject of thehead ‘rescue’,lemma:rescue arg:ARG2 var:bankwhich indicates that ‘bank’ is object of the head‘rescue’, andlemma:failing arg:ARG1 var:bankwhich indicates that the argument of ‘failing’...

Báo cáo khoa học: "Accurate Collocation Extraction Using a Multilingual Parser" docx

... multilingual parsing for detectingaccurate collocational information fromEnglish, French, Spanish and Italian cor-pora. The advantage of relying on fullparsing over using a traditional windowmethod ... separately for each stage: after the candidate selection stage, for evaluating the quality (in terms of grammati-cality) of candidates proposed; and after the ap-plication of collocability measures, for ... sections 4 and 5 a com-parative evaluation experiment proving that a hy-brid approach leads to more accurate results than a classical approach in which syntactic informationis not taken into account.2...

Báo cáo khoa học: "Fast Semantic Extraction Using a Novel Neural Network Architecture" docx

... phase of the MLP,and thus adapted automatically for the task we areinterested in. 4.1.3 Integrating the verb positionFeeding word vectors alone to a linear classiﬁca-tion layer as in (Bengio and ... role in many end-user applications involving text: for infor-mation extraction, web-crawling systems, questionand answer based systems, as well as machine trans-lation, summarization and search. ... semantic roles for syntactic constituentswithout using a time consuming parse tree.Also, as explained before, we are interesting in exploring whether machine learning approaches canlearn structure...

Báo cáo khoa học: "Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features" pdf

... scoring methods including single and combined lexical chain features. The baseline result is ob-tained using a scoring function based on the like-lihoods of seeing a chain start or end at a ... it, as well as a low count of chains continuing through it. We devise a Bayesian framework to capture such be-havior, using the lexical chain features of start, continuation and end. In the ... of lexical chain starts and ends. We further extend this approach in two aspects: 1) a Bayesian decision framework is used; 2) chain continuations straddling across boundaries are taken into...

Báo cáo khoa học: "Linear Text Segmentation using a Dynamic Programming Algorithm" potx

... per-formance in most cases is improved when using appropriate values of and r derived fromtraining data and parameter validation. Finally, it is worth mentioning that our approachis "global" ... evaluation of our algorithm. In the second group of experiments and for bothsuites, for the determination of the appropriate[I a y,r values, we first use training data and a parameter validation ... Linear Text Segmentation using a Dynamic Programming AlgorithmAthanasios KehagiasDept. of Math., Phys.and Comp. SciencesAristotle Univ of ThessalonikiGREECEkehagias@egnatia.ee.auth.grFragkou...

Báo cáo khoa học: " Ventilator-associated pneumonia using a heated humidifier or a heat and moisture exchanger: a randomized controlled trial [ISRCTN88724583]" ppsx

... Canarias, La Laguna, Tenerife, Spain2Department of Microbiology, Hospital Universitario de Canarias, La Laguna, Tenerife, Spain3Research Unit, Hospital Universitario de Canarias, La Laguna, ... causes cilia paralysis, celldamage, and decreased functional residual capacity, and atel-ectasis may develop.Artificial humidification of medicinal gases can be active orpassive. In active humidifiers, ... For statistical analyses we used SPSS 12.0.1 software(SPSS Inc., Chicago, IL, USA) and StatXact 5.0.3 software(Cyrus Mehta and Nitin Patel, Cambridge, MA, USA).Results A total of 120 patients...

báo cáo khoa học: "Nanofibers and nanoparticles from the insectcapturing adhesive of the Sundew (Drosera) for cell attachment" ppsx

... coatings of the scaffo ld, as confirmed by both AFM imaging andthe staining pattern of Alcian Blue coated surfaces. Thecells generally attached to areas where the Alcian Bluestaining was barely ... the scaffold. This micrograph shows a sparse area of attachment that allows cleardelineation of individual cells, and a typical coating pattern. Areas with more complete coating had a greater ... Sundew adhesivecoated glass coverslip, stained with Alcian Blue to visua-lize the pattern of staining. Viability was d etermined by using a calcein/ethidium bromide live/dead assay and allsamples...

Báo cáo khoa học: " IS900 Restriction Fragment Length Polymorphism (RFLP) Analysis of Mycobacterium avium subsp. paratuberculosis Isolates from Goats and Cattle in Norway" pdf

... conﬁrmation and circumstances of occur-rence of sheep (S) strains of Mycobacteriumavium subsp. paratuberculosis in cases of paratu-berculosis in cattle in Australia and sheep and cat-tle in Iceland. ... prevalence of the infection in goats and cattle has led tospeculations about the existence of M. a. paratu-berculosis strains that are non-pathogenic for cattle. Saxegaard (1990) carried out an ... 243-51.Pavlik I, Bejckova L, Pavlas M, Rozsypalova Z,Koskova S: Characterization by restriction en-donuclease analysis and DNA hybridisation using IS900 of bovine, ovine, caprine and human de-pendent...

Tài liệu Báo cáo khoa học: "Japanese Dependency Parsing Using Co-occurrence Information and a Combination of Case Elements" pdf

... Parsing Using Co-occurrence Information and a Combination of Case ElementsTakeshi AbekawaGraduate School of EducationUniversity of Tokyoabekawa@p.u-tokyo.ac.jpManabu OkumuraPrecision and Intelligence ... that simply adding it as a feature doesnot improve the accuracy.5.5.3 Changing the amount of training dataChanging the size of the training data set, weinvestigated whether the degree of accuracy ... the parsing accuracy. We can alsoverify that the parsing accuracy improves by using imprecise information obtained from an automati-cally parsed corpus.Klein and Manning proposed a generativemodel...

Tài liệu Báo cáo khoa học: "An Alignment Algorithm using Belief Propagation and a Structure-Based Distortion Model" pdf

... marginalprobability (or an approximation of it) of Vitakingthe value x .An interesting point to note is that each messagecan be “scaled” (that is, multiplied by a constant)by any factor at ... Linguistics.U. Germann. 2001. Aligned hansards of the 36th parliament of canada.http://www.isi.edu/naturallanguage/download/hansard/.D. Gildea. 2003. Loosely tree-based alignment for machine translation. ... 2003. An evaluationexercise for word alignment. In Rada Mihalcea andTed Pedersen, editors, HLT-NAACL 2003 Workshop:Building and Using Parallel Texts: Data Driven Ma-chine Translation and Beyond,...

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