Báo cáo khoa học: "Sentiment Polarity Identiﬁcation in Financial News: A Cohesion-based Approach" pdf

... Discussion5.1 Binary Polarity AssignmentThe baseline results for positive ratings, negative rat-ings and overall accuracy for the task of assigning a polarity tag are reported in table 1. The ... drawn fromlexical sources, corpora and the world wide web andcombined in a variety of ways, including factor anal-ysis and machine learning techniques, to determinewhen a text contains affective ... impact of news and its attendant biases onﬁnancial markets, formalizing earlier multi-lingual,corpus-based empirical work that analysed change in sentiment and volume of news in large ﬁnancialnews...

Tài liệu Báo cáo khoa học: Local stability identiﬁcation and the role of a key aromatic amino acid residue in staphylococcal nuclease refolding pdf

... 2005)doi:10.1111/j.1742-4658.2005.04814.xStaphylococcal nuclease (SNase) is a model protein that contains onedomain and no disulﬁde bonds. Its stability in the native state may bemaintained mainly by key amino acids. In this ... two point-mutatedproteins each with a single base substitution [alanine for tryptophan(W14 0A) and alanine for lysine (K13 3A) ] and two truncated fragmentproteins {positions 1–139 [SNase(1–139) ... protein. In contrast, W140O has a completely different CD spectrum. There are no peakminima at 222 nm and 208 nm, but instead a peak mini-mum at 200 nm, indicating that it has no secondarystructure...

Báo cáo khoa học: Local stability identiﬁcation and the role of key acidic amino acid residues in staphylococcal nuclease unfolding ppt

... wild-type SNase and 20 glycine mutants suggestthat the negatively charged aspartic acid and glutamicacid residues in the protein play unequal roles in main-taining the protein’s native structure. ... stability.Two local stable areas formed by the charge–charge interactions aroundE75 and E129 with particular positively charged amino acids are thus iden-tiﬁed as being signiﬁcant in maintenance of ... Wu1, Huey-Jen Fang1and Tian-Yow Tsong2,31 Institute of BioAgricultural Sciences, Academia Sinica, Taipei, Taiwan2 Institute of Physics, Academia Sinica, Taipei, Taiwan3 Department of Biochemistry,...

Báo cáo khoa học: "Unsupervised Argument Identiﬁcation for Semantic Role Labeling" potx

... consid-ered each time an argument in the gold standarddata matches a marked argument in our model’soutput. An unmatched argument is an argumentwhich appears in the gold standard data, and failsto appear ... data. We use the stan-dard parsing F-score evaluation measure. As a gold standard in this evaluation, we mark for eachof the verbs in our development data the minimalclause containing it. A ... can see thatthe algorithm reaches saturation at about 5M sen-tences. It achieves this precision while maintain-ing a reasonable recall (an average recall of 43.1%after saturation). The parameters...

Báo cáo khoa học: Isolation and identiﬁcation of antimicrobial components from the epidermal mucus of Atlantic cod (Gadus morhua) docx

... comprising approximately 42%protein, was assayed for antimicrobial activity againstBacillus megaterium, Escherichia coli and Candida albi-cans. The 80% acetonitrile OASIS eluates (30 lg)caused a ... against the yeastC. albicans. As seen in Fig. 1 and Table 1, the anti-Candida activity was fully inhibited when the saltconcentration was increased in the assay by additionof medium E or NaCl. ... 4963tide was active against B. megaterium, and a singlemolecular band corresponding to 14.4 kDa was detec-ted by SDS ⁄ PAGE. N-terminal sequence analysis for30 residues and C-terminal analysis...

Báo cáo khoa học: Genome-wide identiﬁcation of glucosinolate synthesis genes in Brassica rapa potx

... that AOP3 is only present in Arabidopsis and that AOP2is tandemly duplicated in B. oleracea but not in B. rapa. Even within B. oleracea,Glucosinolate biosynthesis genes in Brassica rapa Y X. Zang ... [78].RT-PCRTotal RNA was prepared using RNeasy mini kit (QiagenGmbH, Hilden, Germany) and treated with RNase-freeDNase to remove any genomic DNA contaminants. AllRNA samples were quantiﬁed using a NanoDrop ... primers and ExTaq DNA polymerase(Takara, Shiga, Japan). The reaction was initiated bypredenaturating at 94 °C for 5 min, followed by 35 cyclesof denaturation (94 °C for 30 s), annealing (53...

... states: prepara-tion, sauteing, frying, baking, simmering, boiling,dishing up, steaming. In Barzilay’s model, although domain-speciﬁc755cut:1saute:1add:3put:2preparation sauteingdishing ... Forexample, frying and boiling are usually performedon a gas range and preparation and dishing up areusually performed on a cutting board. This infor-mation can be an aid to topic identiﬁcation. ... information as well aslinguistic information for robust analysis. We uti-lize background image as visual information. Forexample, frying and boiling are usually performedon a gas range and preparation...

Báo cáo khoa học: "High-precision Identiﬁcation of Discourse New and Unique Noun Phrases" docx

... using a scoring algo-rithm in order to find an appropriate partition of allthe markables into coreference classes.Those approaches require substantial processing: in the worst case one has ... which features areimportant and which ones are not in any particularcase. This requirement rules out such approachesas Memory-based Learning, Naive Bayes, and manyothers. On the contrary, algorithms, ... separately— we decreased it as much as possible (to 0.3) tohave a classification with a good precision and a rea-sonable recall.The automatically induced classifier includes, forOptimisation...

Báo cáo khoa học: "Construct State Modiﬁcation in the Arabic Treebank" doc

... the learning task, we make the inde-pendence assumption that all modiﬁer attachmentsto an iDAfa are independent of one another subjectto the constraint that later attachments may not at-tach ... Pennsylvaniaskulick@seas.upenn.eduAbstractEarlier work in parsing Arabic has specu-lated that attachment to construct state con-structions decreases parsing performance. Wemake this speculation ... (NP NOUN))) as a three–level iDAfa (as in Figure 1), and so on. Mod-iﬁcation can take place at any of the NPs in theseiDAfas, using the usual adjunction structure, as in Figure 2 (in which the...

Tài liệu Báo cáo khoa học: Mixed lineage leukemia: roles in human malignancies and potential therapy pdf

... 47–58.Supporting informationThe following supplementary material is available:Table S1. All protein-protein interaction data wereobtained from the biogrid Database (www.thebiogrid.org)and listed according ... PHDdomains, the FYRN domain, the transactivatingdomain, the FYRC domain and the SET domain.Moreover, most MLL fusion partners have the abilityRole of MLL in human malignancies R. Marschalek1824 ... P-TEFb kinase. All assemble in a high-molecularmass complex that binds to DOT1L and P-TEFb kinase[33]. AF4-bound P-TEFb kinase becomes activated andinteracts with promoter-arrested RNA polymerase.Activated...

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