Báo cáo khoa học: "Bayesian Synchronous Tree-Substitution Gr

Báo cáo khoa học: "Bayesian Synchronous Tree-Substitution Grammar Induction and its Application to Sentence Compression" pdf

... Association for Computational Linguistics Bayesian Synchronous Tree-Substitution Grammar Induction and its Application to Sentence Compression Elif Yamangil and Stuart M. Shieber Harvard University Cambridge, ... pages 352–361, Morristown, NJ, USA. Association for Computational Linguistics. Trevor Cohn and Mirella Lapata. 2007. Large mar- gin synchronous generation an...

Ngày tải lên : 07/03/2014, 22:20

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Báo cáo khoa học:The principle of flux minimization and its application to estimate stationary fluxes in metabolic networks docx

... oxidative p entose phosphate pathway had to be reversed to maintain the target fluxes. Then, the NADPH needed to drive the reactions of the o xidative pathway into a backwards direction and to form ... 4.1.1.32 0.00 PHB synthesis and acetyl-CoA conversion pathway 46 2 acetyl-CoA fi acetoac-CoA + CoA 1 b-ketothiolase 2.3.1.16 5.56 47 Acetoac-CoA + NADPH fi 3HB-CoA + NADP 1 Acetoacetyl...

Ngày tải lên : 07/03/2014, 15:20

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Báo cáo khoa học: "Generalized Encoding of Description Spaces and its Application to Typed Feature Structures" potx

... Encoding of Description Spaces and its Application to Typed Feature Structures Gerald Penn Department of Computer Science University of Toronto 10 King's College Rd. Toronto M5S 3G4, Canada Abstract This ... tested on larger and more diverse grammars, it has been shown to reduce the total parsing time of a large corpus on the ALE HPSG benchmark grammar of English (Penn, 199...

Ngày tải lên : 08/03/2014, 07:20

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Tài liệu Báo cáo khoa học: "Limitations of Current Grammar Induction Algorithms" pptx

... hand-corrected POS-tags. This did not lead to improvement. 2 Current Grammar Induction Models 2.1 Algorithms Grammar induction models can be split up into two types: tag-based and word-based grammar ... which turned out to yield disappointing results, even inferior to very simple baselines. As an attempt to ameliorate this, and as an attempt to conﬁrm Klein and Manni...

Ngày tải lên : 20/02/2014, 12:20

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Báo cáo khoa học: "Sparsity in Dependency Grammar Induction" doc

... to- kens rather than types. Then each potential dependency corresponds to a different indicator φ cpij , and the penalty is symmetric with respect to par- ents and children. We will refer to ... will refer to PR training with this constraint as PR-AS. Instead of counting pairs of a child token and a parent type, we can alternatively count pairs of a child token and a paren...

Ngày tải lên : 07/03/2014, 22:20

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Báo cáo khoa học: "Variational Inference for Grammar Induction with Prior Knowledge" pdf

... posterior by constraining it to be from a mixture family of distributions. We will use x to denote observable random variables, y to denote hidden structure, and θ to denote the to- be-learned parameters ... explored in order to improve performance. For example, Smith and Eisner (2006) have penalized the ap- proximate posterior over dependency structures in a natural language...

Ngày tải lên : 08/03/2014, 01:20

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Tài liệu Báo cáo khoa học: Competition between innate multidrug resistance and intracellular binding of rhodamine dyes pdf

... the other hand, the uptake of rhodamines into cells respiring with their coupled mitochondria demonstrated diminished sensi- tivity to NBD-Cl and MK571. Thus, active pumping into the mitochondria allowed ... the GLC4 cell line and its MRP1 over-expressing subline (GLC4 ⁄ ADR), the 2008 cell line and its sublines over-expressing MRP1, MRP2 or MRP3, and the cell line HEK293 and...

Ngày tải lên : 18/02/2014, 13:20

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Tài liệu Báo cáo khoa học: Lipopolysaccharide-evoked activation of p38 and JNK leads to an increase in ICAM-1 expression in Schwann cells of sciatic nerves ppt

... activates monocytes and macrophages to produce cytokines such as tumor necrosis factor- a and interleukins IL-1b and IL-6. These cytokines appear to be responsible for the neurotoxicity observed ... phosphorylated ERK, p38 and JNK (p-ERK, p-p38 and p-JNK) and total ERK, p38 and JNK (tERK, tp38 and tJNK). (B) The ratio of phosphorylated to total ERK (p44 ⁄ 42), p38 and...

Ngày tải lên : 18/02/2014, 18:20

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Tài liệu Báo cáo khoa học: Inorganic phosphate regulates the binding of coﬁlin to actin ﬁlaments pdf

... of 5 lm cofilin to 4 lm TRC–F-actin in the presence of 2 mm and 30 mm Pi at pH 8.0 and 6.5 was measured by monitor- ing fluorescence changes in a stopped-flow fluorometer (Fig. 1). To saturate F-actin, ... can bind stoichiometrically to the nucleotide cleft of ADP–F-actin protomers and ADP– G-actin if the Pi concentration in the solution is high enough. The K d for Pi in ADP–F-actin p...

Ngày tải lên : 19/02/2014, 07:20

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Tài liệu Báo cáo khoa học: Inhibitory properties of cystatin F and its localization in U937 promonocyte cells ppt

... 1545 Inhibitory properties of cystatin F and its localization in U937 promonocyte cells Tomaz ˇ Langerholc 1 , Valentina Zavas ˇ nik-Bergant 1 , Boris Turk 1 , Vito Turk 1 , Magnus Abrahamson 2 and ... [21]. Higher dithiotreitol concentrations than previously reported [12] were needed to restore monomers and inhibitory activity under nondenaturing conditions. Loss of inhibitory po...

Ngày tải lên : 19/02/2014, 17:20

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