Báo cáo khoa học: "Re-evaluating the Role of B LEU in Machine Translation Research" ppt
Báo cáo khoa học: "Re-evaluating the Role of B LEU in Machine Translation Research" ppt
... Re-evaluating the < /b> Role < /b> of < /b> BLEU in Machine Translation ResearchChris Callison-Burch Miles Osborne Philipp KoehnSchool on InformaticsUniversity of < /b> Edinburgh2 Buccleuch PlaceEdinburgh, EH8 ... comparison between the < /b> output of < /b> the < /b> system that was ranked 2nd by Bleu3(top)and of < /b> the < /b> entry that was ranked 6th in Bleu but1st in the < /b> human evaluation (bottom). The < /b> exam-ple is interesting because ... showedthat Bleu correlated with human judgments in its rankings of < /b> five Chinese-to-English machine translation systems, and in its ability to distinguishbetween human and machine translations. Bleu’scorrelation...
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Báo cáo khoa học: Investigating the role of the invariant carboxylate residues E552 and E1197 in the catalytic activity of Abcb1a (mouse Mdr3) docx
... trypsin digestion of < /b> photolabeled Abcb1a In order to detect radiolabeled nucleotide trapped in NBD1and ⁄ or NBD2 of < /b> Abcb1a following photolabeling of < /b> the< /b> protein with 8-azido-[a32P]ATP in the < /b> ... crucial role.< /b> Anothernotable feature of < /b> the < /b> single-site IC mutants (including the < /b> glutamine substitutions) [39] is the < /b> fact that, in the< /b> absence of < /b> Vi (± drugs) labeling of < /b> the < /b> enzymes with the < /b> ... in the < /b> labeling reaction; i.e. labeling of < /b> the< /b> enzymes with the < /b> mutation in NBD1 is consistentlylower than labeling of < /b> the < /b> enzymes with the < /b> equivalentmutation in NBD2. These observations hint...
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Báo cáo khoa học: "Examining the Role of Linguistic Knowledge Sources in the Automatic Identification and Classification of Reviews" doc
... (particularly the < /b> short ones) have all zeroes in them. In other words, none of < /b> the < /b> bigrams from the < /b> training set appears in these reviews. This sug-gests that the < /b> main problem with the < /b> bigram modelis ... attributable to the < /b> different vocabularyused in reviews and non-reviews. As part of < /b> ourverification of < /b> this hypothesis, we plot the < /b> learn-ing curve for each of < /b> the < /b> above experiments.9Weobserve ... not publicly available.612Finally, previous work has also investigated fea-tures that do not fall into any of < /b> the < /b> above cate-gories. For instance, instead of < /b> representing the< /b> polarity of < /b> a...
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Tài liệu Báo cáo khoa học: "Is the End of Supervised Parsing in Sight?" pdf
... the < /b> probability of < /b> a tree is the < /b> sum of < /b> the < /b> probabilities of < /b> the < /b> derivations producing that tree. The < /b> probability of < /b> a derivation is the < /b> product of < /b> the < /b> subtree probabilities. The < /b> original DOP ... parses in a treebank can be approximated by maximizing the < /b> joint probability of < /b> their shortest derivations (i.e. the < /b> derivations consisting of < /b> the < /b> fewest subtrees). This assumption is in consonance ... shortest derivations (in the < /b> training phase) by combining subtrees from unlabeled binary trees, the < /b> PCFG reduction in figure 1 can be represented as in figure 2, where X refers to the < /b> generalized...
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Tài liệu Báo cáo khoa học: "Defining the Semantics of Verbal Modifiers in the Domain of Cooking Tasks" pptx
... notion of < /b> an end point. The < /b> number of < /b> repetitions of < /b> the < /b> event can be specified as a cardinal number, as a frequency, or indirectly as a result of < /b> the < /b> object of < /b> the < /b> verb being plural, having ... present during the < /b> total time period is calculated by dividing the < /b> total time period by the < /b> sum of < /b> the < /b> length of < /b> one incident of < /b> the < /b> action and the < /b> length of < /b> a single interval. A simplifying assumption ... system (Karlin, 1988). SEAFACT operates in the < /b> domain of < /b> cooking tasks. The < /b> domain is limited to a mini-world con- sisting of < /b> a small set of < /b> verbs chosen because they involve rather complex...
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Tài liệu Báo cáo khoa học: "Exploring the Use of Linguistic Features in Domain and Genre Classification" potx
... the < /b> class of < /b> the < /b> majority of < /b> the < /b> items which reached it during training. The < /b> trees were grown using recursive partitioning; the < /b> splitting criterion was reduction in deviance. Using the < /b> Gini ... varied both the < /b> number of < /b> codebook vectors (10,20,50,90) and the < /b> initialisation proce- dure: during one set of < /b> runs, each class receives the < /b> same number of < /b> vectors, during the < /b> other, the < /b> number ... for the < /b> LPE experiments because of < /b> the < /b> ceiling effect and the < /b> small size of < /b> the < /b> complete data set, therefore, we did not rerun the < /b> corresponding experiments. Furthermore, the < /b> number of < /b> codebook...
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Báo cáo khoa học: "Determining the Specificity of Terms using Compositional and Contextual Information" pptx
... example, the < /b> distribution of < /b> co-occurrence words of < /b> the < /b> terms, the < /b> distribution of < /b> predicates which have the < /b> terms as arguments, and the < /b> distribution of < /b> modi-fiers of < /b> the < /b> terms are contextual information. ... names, and the < /b> former is nested in the < /b> latter. In this case, “diabetes mellitus” is base term and “insulin dependent” is modifier of < /b> in- sulin dependent diabetes mellitus” by definition 1. ... Compositional Information By compositionality, the < /b> meaning of < /b> whole term can be strictly predicted from the < /b> meaning of < /b> the < /b> individual words (Manning, 1999). Many terms are created by appending modifiers...
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Tài liệu Báo cáo khoa học: A possible role of mitochondria in the apoptotic-like programmed nuclear death of Tetrahymena thermophila Takashi Kobayashi and Hiroshi Endoh docx
... stained the< /b> degenerating parental macronucleus, but not the < /b> othernuclei (Fig. 3C–E). Moreover, the < /b> density of < /b> stainingwas high around the < /b> degenerating macronucleus, pre-sumably corresponding ... fordetecting the < /b> loss of < /b> membrane potential in mitochon-dria [19]. The < /b> DePsipher dye accumulates in the< /b> multimeric form in the < /b> intermembrane spaces of < /b> mito-chondria, and fluoresces bright red when the < /b> ... Considering thisreport and our observations of < /b> the < /b> monomeric form of< /b> DePsipher in the < /b> autophagosome together, the < /b> mito-chondria taken in the < /b> autophagosome might be broken,once they were incorporated...
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Tài liệu Báo cáo khoa học: Seeking the determinants of the elusive functions of Sco proteins pptx
... proteinsindicate that, despite the < /b> full conservation of < /b> the < /b> threemetal-binding ligands, the < /b> metal-binding site has anintrinsic structural flexibility, indicating the < /b> absence of< /b> a binding site ... Poulsen BE, Davidson DE, AndrewsD & Hill BC (2009) Probing the < /b> kinetics and thermo-dynamics of < /b> copper(II) binding to Bacillus subtilisSco, a protein involved in the < /b> assembly of < /b> the < /b> Cu(A)center ... thioredoxin to maintain the < /b> correct oxida-tion state of < /b> the < /b> CuAcysteine ligands to allow copperbinding. The < /b> Cu(II)-bound form may stabilize the< /b> reduced state of < /b> the < /b> cysteines, being activated...
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Tài liệu Báo cáo khoa học: Insulin-dependent phosphorylation of DPP IV in liver Evidence for a role of compartmentalized c-Src ppt
... antibodiesPorcine insulin was from Sigma (St. Louis, MO). The < /b> anti-body directed against the < /b> b- subunit of < /b> the < /b> IR was from BDTransduction Laboratories (rabbit polyclonal, 188430). The< /b> hybridoma ... from the < /b> basolateral membraneto the < /b> apical membrane by endocytosis [16]. In Madin–Darby canine kidney (MDCK) cells, a study of< /b> chimeric forms of < /b> DPP IV has shown that the < /b> luminaldomain of < /b> DPP ... several proteins, most notablyalbumin (66 kDa), indicating that during permeabiliza-tion, soluble luminal proteins were washed out(Fig. 4B) . A number of < /b> proteins ‘disappeared’ fol-lowing treatment...
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