Báo cáo khoa học: "Examining the Content Load of Part of Speech Blocks for Information Retrieval" pptx
Báo cáo khoa học: "Examining the Content Load of Part of Speech Blocks for Information Retrieval" pptx
... membership of the parts of speech within such blocks reflects the content load of the blocks, on the basis that open class parts of speech are more content- bearing than closed classparts of speech. ... content- poor, the same can hold for blocks of parts of speech. According to our first hypothe-sis, POS blocks can be categorized as content- richor content- poor, on the basis of their distributionwithin ... been‘counted’, if the Content Load is zero or more,we consider the POS block content- rich. If the Figure 1: The Content Load algorithmfunction CONTENT- LOAD( POSblock)returns ContentLoadINITIALISE -FOR- EACH-POSBLOCK(query)for...
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Báo cáo khoa học: "Examining the Role of Linguistic Knowledge Sources in the Automatic Identification and Classification of Reviews" doc
... (3) merge the list of newly generated features with the list of bigrams20and select the top 5000 features from the merged list according to their WLLR.We then repeat procedure P for the trigramsand ... number of test documents and find that the fea-ture vectors corresponding to some of these docu-ments (particularly the short ones) have all zeroesin them. In other words, none of the bigrams ... presence.In other words, the ith element of the documentvector is 1 if the corresponding unigram is presentin the document and 0 otherwise. The resultingclassifier achieves an accuracy of 99.8%.Classifying...
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Tài liệu Báo cáo khoa học: "Untangling the Cross-Lingual Link Structure of Wikipedia" pptx
... (2) The first summand accounts for the edges en-tirely within the region, and the second one ac-counts for the edges in C(v, r) to the extent thatthey are within the radius. The definition of ... because the dis-tances in this extended graph are based on the so-lution of the LP. The properties of this algorithmare given by the following two theorems (proofs inAppendix A).Theorem 2. The ... weights,we may instead opt for removing one of the twonodes from the distinctness assertion. The aim will be to balance the costs for remov-ing edges from the graph with the costs for remov-ing nodes...
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Tài liệu Báo cáo khoa học: "Bucking the Trend: Large-Scale Cost-Focused Active Learning for Statistical Machine Translation" docx
... 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 Processing of the AFNLP, ... exception in the AL for NLP field was the 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 relatively ... alongthese lines was the work of Ngai and Yarowsky(2000), which measured actual times of annota-tion to compare the efficacy of rule writing ver-sus annotation with AL for the task of BaseNPchunking....
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Tài liệu Báo cáo khoa học: "Deriving an Ambiguous Word’s Part-of-Speech Distribution from Unannotated Text" doc
... idea is now to cluster the neighbor pairs on the basis of the middle words they occur with. This way neighbor pairs typical of the same part of speech are grouped together. For classification, ... pair the is”, a verb by the pair “he the , and an adjective by the pair the thing”. For ease of reference, in the remainder of this paper we call these local contexts neighbor pairs. The ... tagging the underlying text corpus. This is achieved by assuming that the word pair consisting of the left and right neighbor of a particular token is characteristic of the part of speech...
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Báo cáo khoa học: "GAMR VIEWED AS A FUNCTIONING PART OF A COGNITIVES SERM A YTM" pot
... and the role of the grammar in the global nature of the control must be given. 3.2 The Local Representation of the Grammar The grammar space contains the locally de- fined grammar for the ... prescribed form as well. The grammar may be defined to suit the aspects of language per- formance being modelled. There are two parts to the grammatical aspect of the HOPE model. One is a form of the ... provide the in- terface with the pragmatic representation. Before describing the nature of the local representation of the currently included grammar, a brief dis- cussion of the structure of the...
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Báo cáo khoa học: "WordNet-based Semantic Relatedness Measures in Automatic Speech Recognition for Meetings" doc
... context. In the endthere is a lesk score and a jcn score for each N -bestlist. The final WordNet score is the sum of the twoscores. The log-linear interpolation method used for the rescoring ... 1997) is based on the information content, and LESK (Banerjee and Pedersen, 2003) allows for comparison across Part -of- Speech (POS) bound-aries.2.2 Word context relatednessFirst the relatedness ... Word-error-rate (WER) experiments For the rescoring experiments the first-best element of the previous N-best list is added to the context.Before applying the WordNet-based measures, the N-best lists are...
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Báo cáo khoa học: Examining multiprotein signaling complexes from all angles The use of complementary techniques to characterize complex formation at the adapter protein, linker for activation of T cells pdf
... the compositionand stoichiometry of these signaling complexes? Whatis the molecular mechanism for the induction of thesecomplexes? How does the formation of signaling com-plexes lead to the ... combination of affinity preferences (the explanation for the lack of in vivo binding of Gads tophosphorylated LAT tyrosine 132) and the formation of multiprotein signaling complexes (the reason for the lack ... examples of the use of these techniques for the examination of linker for activation of T cells (LAT)-mediated multiprotein complexes. FRET, fluores-cence resonance energy transfer.Technique Information...
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Báo cáo khoa học: " Medication errors: a prospective cohort study of hand-written and computerised physician order entry in the intensive care unit"
... (where the patient received the drug). The intercepted errors were scored separately on the basis of their possible impact on the patient, if the prescriptionhad been administered as prescribed. The ... blindedto the prescribing system; this could have introduced the potential for bias in the results and is a limitation of the study.Medical errors are among the leading causes of death in the United ... recorded details of MEs and the totalnumber of drugs prescribed daily during the data collectionperiods, during the course of his normal chart review.Results The total proportion of MEs was significantly...
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Tài liệu Báo cáo khoa học: Seeking the determinants of the elusive functions of Sco proteins pptx
... function of the CXXXCmotif of human Sco proteins could therefore be impli-cated not only in the maturation of the CuAsite of Cox2 but also in the maintenance of cellular copperhomeostasis. The ... assembly of cbb3oxidase, but rather isrequired for the maturation of the CuA-containingCOX which is predominant for aerobic growth, thusleaving open the question as to the identity of the oxi-dase ... differentregions of the protein contributes to produce a com-pact structure of the metal-loaded protein state withrespect to the apo form. The large conformational var-iability of the His-containing...
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