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

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

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 maki...
Ngày tải lên : 08/03/2014, 05:21
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Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc

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 a specific biosynthetic enzyme for vitamin C in bacteria. To ... therefore play a role in horizontal transfer of vitamin C-related genes. In the process of microbial adaptation, horizontal gene transfer is essential for the dissem...
Ngày tải lên : 07/03/2014, 12:20
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Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot

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. 2 The purpose of this paper is to address one of these important...
Ngày tải lên : 07/03/2014, 22:20
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Báo cáo khoa học: "Hierarchical Directed Acyclic Graph Kernel: Methods for Structured Natural Language Data" pptx

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 and foreach foreach for ++ += end end end else if foreach += end else if foreach += end end foreach for ... the cost of node skip . For example, represents the cost of node skip and that of ; is the cost of just node skip . represents the sum of the multiplied cost of the node ski...
Ngày tải lên : 08/03/2014, 04:22
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Tài liệu Báo cáo khoa học: "Unsupervised Segmentation of Chinese Text by Use of Branching Entropy" pdf

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 Linguistics 428 0.5 1 ... Computational Linguistics 428 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 1 2 3 4 5 6 7 8 entropy offset 429 430 431 432 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
Ngày tải lên : 20/02/2014, 12:20
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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

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 changing the 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 signaling cascades ... p38a, one of the four p38 iso- forms, is required for Bax activation and apoptosis. Because activation of p38 by UVB irradiation in human keratinocytes...
Ngày tải lên : 16/02/2014, 09:20
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Tài liệu Báo cáo khoa học: Erythrochelin – a hydroxamate-type siderophore predicted from the genome of Saccharopolyspora erythraea docx

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

... comparison of erythrochelin and foroxymithine. Fig. S18. Schematic overview of Nrps3. Table S1. Bioinformatic overview of etc gene cluster. Table S2. (A) Comparison of A 1 and A 4 . (B) Structures of ... system. Elution was 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...
Ngày tải lên : 16/02/2014, 09:20
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Tài liệu Báo cáo khoa học: Hepatic stimulator substance mitigates hepatic cell injury through suppression of the mitochondrial permeability transition pdf

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 the IM w m . During cell death, MP often increases, allow- ing for the release of soluble proteins. The ... minimal. Morphological evidence of the antiapoptotic effect of HSS As shown in Fig. 2A,B, the treatment of cells with 50 lm CCCP induced profound changes in the nuclear morphology...
Ngày tải lên : 16/02/2014, 09:20
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Tài liệu Báo cáo khoa học: Pronounced adipogenesis and increased insulin sensitivity caused by overproduction of prostaglandin D2 in vivo pptx

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 PGD 2 , has been identified as a ligand for PPARc that can activate the differentiation of adipose cells [34,35]. However, the concentrations of 15d-PGJ 2 used for activation ... amounts of triglycerides during periods of energy excess and to mobilize these depots during periods of nutritional deprivation. The number of adipocytes is thought to...
Ngày tải lên : 16/02/2014, 09:20
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