Báo cáo khoa học: "Discriminative Strategies to Integrate Multiword Expression Recognition and Parsing" docx

Tài liệu Báo cáo khoa học: "Discriminative Syntactic Language Modeling for Speech Recognition" pdf

... (Jelinek and Lafferty, 1991; Stol-cke, 1995) and approaches to exploit such algo-rithms to produce n-gram models (Stolcke and Se-gal, 1994; Jurafsky et al., 1995). The work of Chelba and Jelinek ... shift-reduce parser to enable the probability of words to be conditioned onk previous c-commanding lexical heads, rather thansimply on the previous k words. Incremental top-down and left-corner ... deriva-tion strategy from Chelba and Jelinek, and used theparse probabilities directly to calculate the stringprobabilities. This work made use of a left -to- right,top-down, beam-search parser,...

Tài liệu Báo cáo khoa học: "THE EFFEC TO FEST ABLISHING COHERENCE ELLIPSIS AND ANAPHORA RESOLUTION" pdf

... Fiengo and May (1990) and Lappin (1993) note the unacceptability of examples such as (8) and (9): (8) * I hit Billi, and then hei did too. (9) * Mary introduced Johnj to everyone, and hej did too. ... ,This letter provoked a response from Bush, and Clinton did too. [ responded ] (23) * There is a rise in American visitors to the city, and Canadians do too. [ visit the city ] A similar pattern ... Theory (Chomsky, 1981): (10) * I hit Bill/, and then he/hit Bill/too. (11) * Mary introduced Johnj to everyone, and hej introduced Johnj to everyone too. Because syntactic constraints do not...

Tài liệu Báo cáo khoa học: Tet repressor mutants with altered effector binding and allostery docx

... Due to three very advantageous properties, namely the highlyspecific binding of TetR to tet operator (tetO), the sen-sitive induction by small amounts of tc, and the abilityof this drug to penetrate ... effector of TetR known so far. The DNAfragments containing the randomized codons 14–25(C-terminal part of helix a1 and the following loop) and 93–102 (helix a6 and the b-turns N-terminal and C-terminal ... standard deviations typically range from 10% to 40%.bSee [5].cThe affinity was too low to be quantified.dThe affinity was too highfor quantification by direct titrations.Altered TetR effector...

Tài liệu Báo cáo khoa học: "A SPEECH-FIRST MODEL FOR REPAIR DETECTION AND CORRECTION" docx

... relative to wi-i and to wj; (f) abso- lute and normalized f0 of wi; (g) f0 of wi relative to wi-i and to wj; and (h) whether or not wi was ac- cented, deaccented, or deaccented and cliticized. ... the last and first syllables in the reparandum and repair, respectively, and for normalized f0 and energy; results did not substantially differ from those presented here. port Levelt and Cutler's ... offset of the DI tO the resumption of non-repair speech. In Example (6), for example, the reparandum occurs from 1 to 2, the DI from 2 to 3, and the repair interval from 3 to 4; the Is occurs...

Báo cáo khoa học: "A Framework for Unifying Named Entity Recognition and Disambiguation Extraction Tools" pot

... calls, to the REST API engine in or-der to store them. This set of evaluations is furtherused to compute statistics about precision scoresfor each tool, with the goal to highlight strengths and ... strengths and weaknesses and to compare them (Rizzo and Troncy, 2011b). The comparison aggregates allthe evaluations performed and, ﬁnally, the useris free to select one or more evaluations to seethe metrics ... the extraction to the NLP extractor.The NERD REST engine retrieves the output, uniﬁes it and maps the annotations to the NERD ontology. Finally,the output result is sent back to the client using...

Tài liệu Báo cáo khoa học: Hypoxic resistance to articular chondrocyte apoptosis – a possible mechanism of maintaining homeostasis of normal articular cartilage pdf

... considered to be a key factor in thegrowth and survival of chondrocytes.Hypoxia is known to regulate the expression ofmany genes, but little is known about its role in eitherapoptosis or anti-apoptosis, ... normal animals and those with osteoarthritis were evaluated via pro-teasome inhibition, tumour necrosis factor-related apoptosis-inducingligand (TRAIL) protein expression, mitochondrial transmembrane ... [2,3].Tumour necrosis factor-related apoptosis-inducingligands (TRAILs) are type II transmembrane mole-cules that trigger the apoptotic signal cascade by bind-ing to cognate receptors expressed on...

Tài liệu Báo cáo khoa học: Calcium-binding to lens bB2- and bA3-crystallins suggests that all b-crystallins are calcium-binding proteins pptx

... epithelial cells wasligated to pBSK cloning vector and the insert was releasedusing NdeI and BamHI restriction enzymes. The insert withcohesive ends was ligated to NdeI and BamHI digestedpET-21a ... into four acidic(bA1 ⁄ A3, bA2 and bA4) and three basic b-crystallins(bB1, bB2, and bB3). b-Crystallins have high sequencesimilarity and identity [4]. Acidic b-crystallins haveboth N- and ... provide an insight into the calcium-bind-ing properties of all b-crystallins.Overexpression and puriﬁcationBovine bB2- and bA3-crystallin were cloned in expres-sion vector and overexpressed...

Tài liệu Báo cáo khoa học: Chemical approaches to mapping the function of post-translational modiﬁcations ppt

... maintenance of retinal cytoarchitecture and photo-receptor structure. J Cell Biol 130, 431–439.65 Cozzone AJ (2005) Role of protein phosphorylation onserine ⁄ threonine and tyrosine in the virulence ... glycosylation is the most pre-valent and diverse [11,12]. The glycans on proteinsplay key roles in expression and folding [13], thermal and proteolytic stability [14], and cellular differentia-tion ... theintroduction of O-b-d-GlcNAc-l-Ser [25] and O-a-d-GalNAc-l-Thr [26] into proteins with efﬁcien-cies of 96% and  40% respectively.In addition to expression- based approaches, biocata-lytic...

Tài liệu Báo cáo khoa học: Association of mammalian sterile twenty kinases, Mst1 and Mst2, with hSalvador via C-terminal coiled-coil domains, leads to its stabilization and phosphorylation doc

... theability to bind to hSav were still able to increase its abundance, althoughthey were no longer able to phosphorylate hSav. Together these resultsshow that hSav can bind to, and be phosphorylated ... 5· SDS-sample buffer and samples separated by SDS ⁄ PAGE, transferred to mem-brane, dried and exposed to ﬁlm at )80 °C. Followingautoradiography membranes were blocked and immuno-blotted as ... further subdivided into two groups, Mst1 and Mst2 (GCKII) and Mst3 and Mst4 (GCKIII).Mst1 has been widely studied and is the best charac-terized member of the family. In addition to its kinasedomain,...

Tài liệu Báo cáo khoa học: Peptides corresponding to helices 5 and 6 of Bax can independently form large lipid pores pdf

... proteins, such as cytochrome c,which are released into the cytoplasm as a consequenceof apoptotic signals. The release of these apoptoticfactors involves alteration of the mitochondrial outermembrane ... normally found soluble in the cytoplasm, itsapoptotic activation includes extensive structural reor-ganization, which facilitates targeting to, and insertioninto, the mitochondrial outer membrane ... the a5 and a6 fragments are amphipathic and have positively charged Lys and ⁄ or Arg residues, sim-ilar to antibiotic peptides such as melittin and magai-nin, for which the formation of toroidal...

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