Tài liệu Báo cáo khoa học: "Question Answering by Lexical Fabric and External Resources" ppt

... particular, we describe a high performance question answering system called QUALIFIER (QUestion Answer- ing by Lexical Fabric and External Re- sources) and analyze its effectiveness using the TREC-11 ... QUALIFIER: Question Answering by Lexical Fabric and External Resources Hui Yang Department of Computer Science National University of ... the lexical knowledge f...

Ngày tải lên: 22/02/2014, 02:20

Ngày tải lên: 20/02/2014, 18:20

... match each other”. Moldovan and Rus (Moldovan and Rus, 2001) transformed the question and the can- didate answers into logic forms and used a logic prover to determine if the candidate answer logic form ... in a sen- tence and a lexical chain between this verb and another, the algorithm for propagating verb argu- ments transforms this structure step by step, for each relation...

Ngày tải lên: 08/03/2014, 02:21

... loss-of-function of BTK and ITK and the gain-of-function fusions ITK–SYK and BTK–SYK Alamdar Hussain 1,2, *, Liang Yu 1,3, *, Rani Faryal 1,2 , Dara K. Mohammad 1 , Abdalla J. Mohamed 1,4 and C. I. Edvard ... metazoans [1] and com- prise five members in mammals: Bruton’s tyrosine kinase (BTK), inducible T-cell kinase (ITK), TEC, BMX [also known as epithelial and endothelial tyro- s...

Ngày tải lên: 14/02/2014, 18:20

... immune response triggered by CD4 + T cells, CD8 + T cells and B cells. TAAs released by secretion, shedding or tumor cell lysis are captured by antigen presenting cells, processed and presented by either major ... I or MHC class II molecules for priming and activation of CD8 + and CD4 + T cells, respectively. Uptake of antigen by B cells also occurs and is driven by memb...

Ngày tải lên: 14/02/2014, 19:20

... the K i by PPS, a moderately increase in the K i by DS, and no effect on K i by Ch6S (Table 2). The various effects of sulfated polysaccharides on inhibi- tion of elastase-2 by eglin c and by the ... of eglin c and a 1 -PI. The effects of inhibition by a 1 -PI and eglin c by Ch4S, calculated by regression analysis of progress curves, are shown in Fig. 5. For increasing...

Ngày tải lên: 16/02/2014, 14:20

... PNT and SIC1 share a high con- tent of unordered stretches (50–59%) and a low con- tent in a-helices and b-strands (2–3% and 22–29%, respectively), whereas GFP is rich in b-strands (46%) and ... SDS ⁄ PAGE and stained by Coomassie. (A) NTAIL-GFP, NTAIL and GFP. (B) PNT-GFP, PNT and GFP. M, molecular weight markers; 0¢, untreated samples. The ‘framed’ bands were further analy...

Ngày tải lên: 18/02/2014, 04:20

... mam- mals, human HSF1 and a second HSF gene, HSF2, were isolated by screening a library with degenerate oligonucleotide probes [20,21], and the mouse HSF1 and HSF2 genes were isolated by cross-hybridization with ... thermotolerance, and is regulated by mouse HSF1 and chicken HSF3 through the activation of the heat shock genes [10,11]. HSPs prevent the denaturation and aggreg...

Ngày tải lên: 18/02/2014, 04:20

... immune synapse and interact with LAT [57]. Cytoskeletal protein 4.1R negatively regu- lates T cell activation by directly binding to LAT, and thereby inhibiting its phosphorylation by ZAP-70 [58]. Tyrosine ... was supported in part by project no. AV0Z50520514 awarded by the Academy of Sciences of the Czech Republic, GACR (project MEM ⁄ 09 ⁄ E011) and by the Center of Molecular...

Ngày tải lên: 18/02/2014, 04:20

... prevented by an active efflux pump. The efflux was inhibited by 4-chloro-7-nitro- 2,1,3-benzoxadiazole (NBD-Cl) and MK571 and, to a lesser extent, by ATP depletion, indomethacin, probenecid and vanadate. ... efflux of these dyes from the cells. The efflux of rhodamine 123 and TMRM was inhib- ited by NBD-Cl and MK571 and, to a lesser extent, by ATP depletion (Fig. 6). An altern...

Ngày tải lên: 18/02/2014, 13:20