Báo cáo khoa học: "The Benefit of Stochastic PP Attachment to a Rule-Based Parser" doc

... methods. Because probabilistic approaches solve PP at- tachment as a natural subtask of parsing anyhow, the obvious application of a PP attacher is to in- tegrate it into a rule-based system. Perhaps ... existence of learnt and handwritten grammars of natural languages. A great many formalisms have been advanced that fall into either of the two variants, but even the...

Ngày tải lên: 17/03/2014, 04:20

... produces a- amylase II (TVA II) as an intracellular enzyme [4]. TVA II hydrolyzes a- 1,4-glucosidic linkages of starch like other a- amylase family enzymes to produce mainly maltose. In addition to a- amylase ... using partial hydrolyates of pullulan and an inactive TVA II mutant, D325N. A hexasaccharide containing two panose units, 4 3 -a- panosylpanose (4 3 -P2) (Fig. 2A) , w...

Ngày tải lên: 23/03/2014, 12:20

... Proc Natl Acad Sci USA 85, 7972–7976. 23 Yoshimori T, Yamamoto A, Moriyama Y, Futai M & Tashiro Y (1991) Bafilomycin A1 , a specific inhibitor of vacuolar-type H(+)-ATPase, inhibits acidification and protein ... glycosylation type Ik. Hum Mol Genet 13, 535–542. 34 Yanagida K, Natsuska S & Hase S (1999) A pyridy- lamination method aimed at automatic oligosaccharide analysis of N...

Ngày tải lên: 30/03/2014, 04:20

... clearly favour a manual grammar develop- ment, where more lexical resources are available and because of human involvement a perfect iso- lation between test and training data can only be guaranteed ... were able to improve the overall la- belled accuracy on a standard test set for German to 91.1%, a level which is as least as good as the results reported for alternative approac...

Ngày tải lên: 31/03/2014, 01:20

... (1.5%) Predefined major abnormalities are summarized in Table 1. a Absolute number of chest radiographs (% of all daily routine chest radiographs). b Absolute number of patients (% of all patients with daily ... design and statistical analysis of the study. MS conceived and coordinated the study and was involved in the interpretation of the data and manuscript revi- sion. All a...

Ngày tải lên: 25/10/2012, 10:39

... promoter as analyzed by chromatin immunoprecipitations and can activate tran- scription of the promoter in transient transfection assays through the upstream part of the SIRF element. Mutational analysis ... St Clair S, Giono L, Varmeh-Ziaie S, Resnick-Silver- man L, Liu WJ, Padi A, Dastidar J, DaCosta A, Mattia M & Manfredi JJ (2004) DNA damage-induced down- regulation of Cdc25C...

Ngày tải lên: 16/02/2014, 09:20

... forming the mature capsid are different, at least in part. CA appears to have evolved an extraordinary conformational plastic- ity, which allows the creation of multiple CA–CA interfaces and the occur- rence ... mature capsid. Remarkably, the CA poly- peptide appears to have evolved an extraordinary con- formational plasticity, which allows the creation of diverse CA–CA interfaces and...

Ngày tải lên: 18/02/2014, 06:20

... CA assembly. Variants of CAI peptide Armed with this structural information on CAI, Zhang et al. [32] used a structure-based rational design approach to stabilize the a- helical structure of CAI and ... collaboration over all these years. Dr Anjali P. Mascarenhas and Professor Karin Musier-Forsyth are thanked for critically read- ing and correcting an early version of the manuscrip...

Ngày tải lên: 18/02/2014, 06:20

... Takeda K, Imamura T, Aoki H, Sampath TK, Enomoto S, Kawabata M, Kato M, Ichijo H & Miyazono K (1999) Roles of bone morphogenetic protein type I receptors and Smad proteins in osteoblast and ... Erlangen, Germany). Phosphorylation was quantified relative to total Smad (anti-Smad, Cell Signaling Technology Inc.) or actin (anti-b-actin, Sigma-Aldrich, St Louis, MO, USA). For quanti- ficati...

Ngày tải lên: 18/02/2014, 06:20

... picolinic acid (PA), quinolinic acid (QA) and NAD homeostasis. Indeed, the enzyme stands at a branch point of the tryptophan to NAD pathway, and deter- mines the final fate of the amino acid, i.e. transformation ... protein (A ˚ 2 ) 15.3 Mean B-factor solvent (A ˚ 2 ) 25.2 Mean B-factor DHAP ⁄ Zn (A ˚ 2 ) 39.3 ⁄ 10.1 Mean B-factor glycerol atoms (A ˚ 2 ) 25.6 S. Garavaglia et al. C...

Ngày tải lên: 18/02/2014, 06:20