Tài liệu Báo cáo khoa học: "Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT" pdf

... July 2012. c 2012 Association for Computational Linguistics Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT Patrick Simianer and Stefan ... learn- ing algorithm that applies  1 / 2 regulariza- tion for joint feature selection over distributed stochastic learning processes. We present ex- periments...

Ngày tải lên: 19/02/2014, 19:20

... ways of defining the history and have not observed any benefit of sequential learning techniques by defining the history for sequential learning in terms of previous messages. Thus, for all three ... results for histories defined within a single message in our evaluation below. 3 Feature Based Approach In previous text classification research, more atten- tion to the...

Ngày tải lên: 20/02/2014, 12:20

... collected by scanning the corpus before training starts. However, in both the baseline tagger and the joint POS tagger, they are updated incrementally dur- ing the perceptron training process, consistent ... difficulty in incorporating whole word information into POS tagging. For example, the standard “word + POS tag” feature is not explicitly applicable. Shi and Wang (2007) introd...

Ngày tải lên: 20/02/2014, 09:20

... also involves tyrosine dephosphorylation of cortactin, vinculin and ezrin, which are three well- known actin-binding proteins [6]. The phosphatases involved in this scenario, however, remain unknown and ... labelling by antibodies made specifically against this subdomain [10]; however, yeast-two hybrid screens and other in vitro binding studies indicated that the very carboxy-terminus inte...

Ngày tải lên: 14/02/2014, 19:20

... sự cố công trình xây dựng ở Việt Nam trong những năm gần đây. Những thông tin trong bài báo là kết quả nghiên cứu và kinh nghiệm của tác giả trong quá trình tham gia trực tiếp điều tra sự cố ... có tinh thần trách nhiệm cao trước cộng đồng. Do đó, việc điều tra bất kỳ một sự cố nào cũng cần phải được tổ chức một cách khoa học, khách quan với sự tham gia của các chuyên gia có kinh nghi...

Ngày tải lên: 18/02/2014, 02:20

... limitation is retreating, whereas the importance of accurate modeling and analy- sis approaches aiming at understanding the complex interactions in living cells is increasing. Materials and methods The ... 175–201. Supporting information The following supplementary material is available: Doc. S1. An algorithm for the numerical calculation of constraining relations based on the zero-deriva...

Ngày tải lên: 18/02/2014, 06:20

... in an inactive form as a monomer; in response to stress, it forms homotrimers that bind to the HSEs in the promoter regions of hsp genes [19]. In addition, an in ammatory cytokine, interleukin-6, ... (Pierce, Rockford, IL, USA) at 4 °C for 1 h. Bound fractions were washed five times with binding buffer, and DNA-bound proteins were eluted with binding buffer containing 1 mgÆmL )1 bio...

Ngày tải lên: 18/02/2014, 06:20

... CC-chemokine receptor-6 is also the receptor for macrophage in am- matory protein-3a, a chemokine involved in homeo- static lymphocyte homing as well as in epithelial cell migration, further suggesting ... numbers in the locus of b-defensin in chromosome 8. As a result of this deficiency in a-de- fensins and b-defensins, luminal microbes invade the mucosa and trigger in ammation...

Ngày tải lên: 18/02/2014, 06:20

... those transiently formed conforma- tions may be perfectly suited for a selected protein ligand interaction. The distinguished protein confor- mation is then recognized by the binding partner. Directed ... multi- ple targets in the frame of the ‘conformational selection model. Proteins referred to as ‘intrinsically unstructured’ or ‘natively unfolded’ may therefore be well adapted for i...

Ngày tải lên: 18/02/2014, 06:20

... for DHAP recognition in human ACMSD. Ligand binding induces a significant conformational change affecting a strictly conserved Trp–Met couple, and we propose that these residues are involved in ... following insulin injection [21,22], we decided to investigate the effect of N H CH 2 CH COOH NH 2 L-kynurenine CHO COOH COOH NH 2 Tryptophan α-amino-β-carboxymuconate-ε-semialdehyde (ACMS) α-...

Ngày tải lên: 18/02/2014, 06:20