Báo cáo khoa học: "Centrality Measures in Text Mining: Prediction of Noun " docx

... Proceedings of the ACL Student Research Workshop, pages 103–108,Ann Arbor, Michigan, June 2005.c2005 Association for Computational LinguisticsCentrality Measures in Text Mining: Prediction of ... centrality measures being used in predicting noun phrases appearing in the abstracts of sci-entific articles. Our experimental results show that centrality measures improve the accuracy of the prediction ... to represent texts and hence analyze mutual relevance of two texts. The values of the elements in a vector are determined by the betweenness cen-trality of the NPs in a text being analyzed....

Báo cáo khoa học: "Finding Contradictions in Text" docx

... Proceedings of ACL-08: HLT, pages 1039–1047,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsFinding Contradictions in Text Marie-Catherine de Marneffe,Linguistics ... consisting of a mappingfrom each node in the hypothesis to a unique node in the text or to null. The scoring measure usesnode similarity (irrespective of polarity) and struc-tural information ... highlight-ing the difﬁculty in generalizing from a small corpus of positive contradiction examples, as well as under-lining the complexity of building a broad coveragesystem. This drop in accuracy...

Tài liệu Báo cáo khoa học: "An Experiment in Evaluating the Quality of Translations" pdf

... by the writer into nine piles of ascending degrees of “informativeness” of the original sentence relative to the translation sentence. Again, the method of equal-appearing intervals was ... explicitly in the originals. TABLE 2 SCALE OF INFORMATIVENESS* 9. Extremely informative. Makes “all the difference in the world” in comprehending the meaning intended. (A rating of 9 should ... fact into account in mak- ing their judgments. In effect, then, fidelity of a translation was to be judged in terms of the “informativeness” of the original relative to the translation. In...

Báo cáo khoa học: Protein transport in organelles: Dual targeting of proteins to mitochondria and chloroplasts ppt

... mechanism to increase the complexity of proteomes is the editing of transcripts (both in nuclearand organelle genomes) [4,5]. Dual targeting of proteins does not increase the number of proteins in acell, ... greaterunderstanding of the process of dual targeting mayprovide useful insights into the targeting of location-speciﬁc proteins to mitochondria or chloroplasts.Keywordschloroplast; dual targeting; inter-organellecommunication; ... andthe insights that may be gained from a greater under-standing of the mechanism of dual targeting for thetargeting of location-speciﬁc proteins is discussed.Targeting signals and mature proteinsTargeting...

Báo cáo khoa học: Conserved residues in the N-domain of the AAA+ chaperone ClpA regulate substrate recognition and unfolding pdf

... extensive group of proteins involved in a broad range of biological func-tions. Its members are present in all kingdoms of lifeand often play a crucial role in cell maintenance. In bacteria, several ... residues in the N-domain of ClpA by monitor-ing the binding, unfolding and degradation of several different substrates,including short unstructured peptides, tagged and untagged proteins. Inter-estingly, ... usually contain an N-terminaldomain (N-domain) that serves as a docking site forvarious adaptor proteins [6–10]. ClpA consists of threedomains: an N-domain and two ATP-binding domainsreferred...

Báo cáo khoa học: "Some Problems in the Mechanical Translation of German" pdf

... continue to discuss the solution of these first two types, since it will be contained in that of the main problem, the distinction of nominative from accusative in the feminine and neuter singular ... syntactical function of such forms is ambiguous, the types of ambiguity being three in number. 1. The masculine singular nominative of der and welcher is identical to the feminine singular dative. ... once in every six such instances. Judg- ing from the frequency of relative pronouns in texts investigated, this would mean about three times in every 10, 000 words. An idea of what the incorrect...

Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot

... structural domains, while proCPY would be composed of a single fragile domain. The propeptide of the proenzymewould be located at the interface of the two domains thuscombining them into one body, ... complementary information concerningprotein–solvent interactions [14,15], the unfolded states of proteins [16,17], and protein folding pathways [18].Our analytical techniques involved the use of differentialscanning ... pressure-inducedchange in <m> induced at relatively low pressures of upto 150 MPa is small with no increase in ANS-bindingﬂuorescence, with approximately 80% of the catalyticactivity being...

Báo cáo khoa học: An arginyl in the N-terminus of the V1a vasopressin receptor is part of the conformational switch controlling activation by agonist docx

... which contributes to maintaining the conformationalswitch of the V1aR in the off-state. The unique ability of arginyl to fulﬁl this constraining function in the N-terminus of the V1aR is similar ... G-proteininteraction of the active receptor [28]. In summary, Arg46 of the V1aR is required for highafﬁnity agonist binding and signalling. It is one of theconstraining residues which maintain ... tyrosine arginine vasopressin and1-(b-mercapto-b,b-cyclopentamethylenepropionic acid) argininevasopressin, two highly potent antagonists of the vasopressorresponse to arginine vasopressin....

Báo cáo khoa học: Local changes in the catalytic site of mammalian histidine decarboxylase can affect its global conformation and stability pptx

... 20 °CinFig.9,andnot shown here to avoid redundancy). In spite of the lack of overall sequence identity, acommon PLP-binding motif consisting of clusters of conserved residues is present in decarboxylases ... (2002) Expression of histidine decarboxylase andsynthesis of histamine by human small cell lung carcinoma. Am. J.Pathol. 160, 1561–1565.7. Nathan, C. (2002) Points of control in inﬂammation. Nature ... discussionProtein modeling of rat HDC dimer predictsthe location of its catalytic siteWe have previously observed that transaldimination fromthe internal to the external aldimine of HDC involves...

Báo cáo khoa học: E2A participates in a ﬁne control of pre-mature B-cell apoptosis mediated by B-cell receptor signaling via transcriptional regulation of survivin, IAP2 and caspase-8 genes pot

... rate of decrease in the amount of ICAD in the mutant wasslower than that in DT40. Thus, in E2A)/), in thepresence of PMA/ionomycin, the time courses of alter-ations in the mRNA and protein ... 1421cooperatively induce apoptotic cell death in the DT40cell line [24]. As a ﬁrst step in elucidating the participa-tion of E2A in apoptosis of DT40 cells, we examinedthe effects of PMA/ionomycin treatment ... toact as a defense mechanism in auto-immune diseases. Cross-linking of BCR of pre-mature B-cell lines, including the chicken DT40 cell line, withanti-immunoglobulin IgG induces apoptotic cell death....

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