Báo cáo khoa học: "Thematic segmentation of texts: two methods for two kinds of texts" pdf

... Thematic segmentation of texts: two methods for two kinds of texts Olivier FERRET LIMSI-CNRS B~t. 508 - BP 133 F-91403, Orsay ... computed from a lexical network. These methods depend on the presence of the text vocabulary inside their network. So, to avoid any restriction about domains in such kinds of texts, we present ... augments the first method by making use of information coming from a lexical co-occurrence network. 392 This network allows a mutual reinforcement of descriptors that are different but strongly...

Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc

... l-gulono-1,4-lactone dehydrogenase of M. tuberculosis is a specific enzyme for the biosynthesis of L-AA. As far as we know, this is the first report of aspecific biosynthetic enzyme for vitamin C in bacteria.To ... therefore play arole in horizontal transfer of vitamin C-related genes.In the process of microbial adaptation, horizontal genetransfer is essential for the dissemination and assembly of detoxification ... an optical density of 0.8 at600 nm in 200 mL of culture volume, and then IPTG wasadded to a final concentration of 0.1 mm for induction, andthe fusion protein was produced for 1 h or 3 h, as...

Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot

... model of language ability, and therefore is often used as an index of language proficiency and development status of L2 learners. Various studies have proposed and inves-tigated measures of ... important aspects of the speaking construct and therefore cannot be seen as ideal from a validi-ty point of view.2The purpose of this paper is to address one of these important aspects of spoken ... Association for Computational Linguistics Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech Miao Chen Klaus Zechner School of Information...

Báo cáo khoa học: "Hierarchical Directed Acyclic Graph Kernel: Methods for Structured Natural Language Data" pptx

... order of calculation time becomes.Algorithm HDAG Kernel n combination for i++ for ++if andforeachforeach for +++=endendendelse ifforeach+=endelse ifforeach+=endendforeach for ... thecost of node skip . For example,represents the cost of node skip and that of ; is the cost of just nodeskip . represents the sum of the multipliedcost of the node skips of all of the nodes ... becausenodes in texts usually have several kinds of at-tributes. For example, attributes include words, part- of- speech tags, semantic information such as Word-is of PERSONNNP NNP VBZword named entity...

Báo cáo khoa học: "Combining Stochastic and Rule-Based Methods for Disambiguation in Agglutinative Languages" pptx

...

Tài liệu Báo cáo khoa học: "Unsupervised Segmentation of Chinese Text by Use of Branching Entropy" pdf

... Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 428–435,Sydney, July 2006.c2006 Association for Computational Linguistics428 0.5 1 ... Computational Linguistics428 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 1 2 3 4 5 6 7 8entropyoffset429430431432 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0.55 0.6 0.65 0.7 0.75...

Tài liệu Báo cáo khoa học: EGF receptor in relation to tumor development: molecular basis of responsiveness of cancer cells to EGFR-targeting tyrosine kinase inhibitors docx

... phos-phorylation state of their proteins, thereby changingthe amount and localization of Bcl-2 family members.However, each type of cancer has its own way of disrupting the balance of the networks of signalingcascades ... p38a, one of the four p38 iso-forms, is required for Bax activation and apoptosis.Because activation of p38 by UVB irradiation inhuman keratinocytes results in induction of a confor-mational ... inhibition of the ERK1 ⁄ 2 pathway isassociated with the antiproliferative effects of geﬁtinib.Inhibition of cell motilityThe EGFR can transmit signals for re-organization of the cytoskeleton, the formation...

Tài liệu Báo cáo khoa học: Erythrochelin – a hydroxamate-type siderophore predicted from the genome of Saccharopolyspora erythraea docx

... comparison of erythrochelin andforoxymithine.Fig. S18. Schematic overview of Nrps3.Table S1. Bioinformatic overview of etc gene cluster.Table S2. (A) Comparison of A1and A4. (B) Structures of ... system.Elution was performed by application of the solventgradient of water ⁄ 0.05% formic acid (solvent A) andmethanol ⁄ 0.05% formic acid (solvent B) at a ﬂow rate of 16 mLÆmin)1: linear ... system. Elutionwas performed by application of the solvent gradient of water ⁄ 0.05% formic acid (solvent A) and methanol ⁄ 0.05%formic acid (solvent B) at a ﬂow rate of 16 mLÆmin)1: lin-ear...

Tài liệu Báo cáo khoa học: Hepatic stimulator substance mitigates hepatic cell injury through suppression of the mitochondrial permeability transition pdf

... results from the generation of an electro-chemical gradient across the IM forms the basis of theIM wm. During cell death, MP often increases, allow-ing for the release of soluble proteins. The ... minimal.Morphological evidence of the antiapoptoticeffect of HSSAs shown in Fig. 2A,B, the treatment of cells with50 lm CCCP induced profound changes in the nuclearmorphology of hepatoma cells, with ... remarkable amount of leakage of cytochrome c,whereas in HSS-expressing cells, the leakage of cyto-chrome c was inhibited. Exposure of cells to CCCPresulted in substantial loss of wm, and, as...

Tài liệu Báo cáo khoa học: Pronounced adipogenesis and increased insulin sensitivity caused by overproduction of prostaglandin D2 in vivo pptx

... is one of the metabolites of PGD2, has been identiﬁed as aligand for PPARc that can activate the differentiation of adipose cells [34,35]. However, the concentrations of 15d-PGJ2used for activation ... amounts of triglycerides during periods of energy excess and to mobilize these depots duringperiods of nutritional deprivation. The number of adipocytes is thought to increase as a result of differ-entiation ... tissue weights of TG micewere signiﬁcantly increased after 1 week of the HF dietin comparison with those of WT mice (Fig. 2D). Theweights of visceral and subcutaneous adipose tissues of TG mice...

Xem thêm