Báo cáo khoa học: "THE SYNTACTIC REGULARITY OF ENGLISH NOUN PHRASES" pdf

... THE SYNTACTIC REGULARITY OF ENGLISH NOUN PHRASES Lita Taylor, Claire Grover, Ted Briscoe ~ Department of Linguistics University of Lancaster Ballrigg Lanes., ... at all of a two-way partition of noun phrase types into a group of high-frequency, well-formed constructions and a group of unique or rare 'deviant' constructions; instead noun phrase ... 'rare' types, defined in terms of rate of occurrence relative to the rate of occurrence of the commonest type, will crop up fairly often in naturally occurring samples of NPs. For ins- tahoe, if...

Báo cáo khoa học: "THE COMPUTATIONAL COMPLEXITY OF AVOIDING CONVERSATIONAL IMPLICATURES" pdf

... problem of generating free -of- false-implicatures referring expres- sions, such as utterance (la). Reiter (1990a,b) uses the same preference rules to formalize the task of generating free -of- ... represented as a classification and a set of attribute-value pairs: the classification is syntactically realized as the head noun, while the attribute-value pairs are syntactically realized as NP modifiers. ... length(B). The task of finding a maximal element of >>FB, i.e., of finding the shortest success- ful referring expression, is NP-Hard. This result holds for all definitions of length the author...

Tài liệu Báo cáo khoa học: "THE BY RESOLUTION OF LOCAL SYNTACTIC AMBIGUITY THE HUMAN SENTENCE PROCESSING MECHANISM" doc

... THE RESOLUTION OF LOCAL SYNTACTIC AMBIGUITY BY THE HUMAN SENTENCE PROCESSING MECHANISM. Gerry Altmann Department of Linguistics University of Edinburgh George Square Edinburgh ... order in which lexical /syntactic rules in the grammar can be accessed (of. Wanner's "implementation" of Minimal Attachment, 1980). Ford et al.'s theory of Lexical Preference ... advance of the target sentence (i.e. was Given), and this time, strong effects of context were found on both kinds of target (113 msec for NP-attached targets across the two conditions of context,...

Báo cáo khoa học: "THE RECOGNITION CAPACITY OF LOCAL SYNTACTIC CONSTRAINTS" ppt

... following toy grammar of a small fragment of English. Statements about the cor- rectness of sentences etc., are of course relative to this toy grammar. The tag set T includes: n (noun) , v (verb), ... of the tag image of this sentence, the only tag that satisfies the constraints of LCA(1) is adj. 8. "Context Sensitive" Spelling Verification A related application of local syntactic ... express refined syntactic claims, hence more specific constraints, but they "also create a greater level of tagging ambiguity; the size of the grammar a larger grammar offers more infor-...

Báo cáo khoa học: "The clinical value of daily routine chest radiographs in a mixed medical–surgical intensive care unit is low"

... performance of a bronchoalveolar lavage for culture,or start of or a change in antimicrobial therapy in case of unex-pected infiltrates on the CXR; repositioning of tubes in case of malposition of orotracheal ... ultrasound of the thorax in case of pleural effusion onthe CXR, start or change in medication (diuretics); insertion of a pleural drain; and repositioning of devices in the case of mal-position of ... andmalposition of the orotracheal tube (32 in 26). Fewer than half of the CXRs with a new and unexpected finding were ultimatelyclinically relevant; in only 2.2% of all daily routine CXRs (6.4% of patients)...

Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf

... Expression of SV40 T antigen in promoter-reporter assays yieldedderegulation, which was dependent on the CDE of thehuman Cdc25C promoter. Dimethyl sulfate footprint-ing of the CDE in the presence of ... footprinting.Loss of the two pocket proteins leads to deregulation of the B-Myb promoter during the cell cycle. Re-intro-duction of p107, and to some extent also p130, causesrepression of the B-Myb ... these factors.Consistent with a function of p107 and p130 in thecontrol of CDE ⁄ CHR promoters is the loss of regula-tion observed for the expression of cyclin A, B-Myband Cdc2 in p107) ⁄...

Tài liệu Báo cáo khoa học: The capsid protein of human immunodeﬁciency virus: intersubunit interactions during virus assembly doc

... indicate that poly-merization of Gag occurs mainly through the forma-tion of an intermediate layer of cup-shaped structures,each made of one hollow hexameric ring of CAdomains placed immediately ... pseudoatomic models of capsid-like particles [30,39]; (b) analyses of the effect of CA mutations on the assembly of mature capsid-like particles (Fig. 2E,F) and ⁄ or the formation of viralcores; ... of the precise residues and interac-tions involved in the NTD–CTD interface [46]. Most of these involve side chains from helix 8 of the CTDwhich pack against the N-terminal end of helix 4 of the...

Tài liệu Báo cáo khoa học: The capsid protein of human immunodeﬁciency virus: designing inhibitors of capsid assembly ppt

... mature capsid of human immunodeﬁciency virus, HIV-1, is formed bythe assembly of copies of a capsid protein (CA). The C-terminal domain of CA, CTD, is able to homodimerize and most of the dimerization ... shifts of the whole dimer-ization helix of CTD [27] (otherwise, those chemicalshifts are too broad to be observed because of thepresence of interconverting conformers) [29]. The bind-ing site of ... the kink at Thr188 in CTD isless pronounced than in each of the monomers of thedimeric CTD. Finally, it is important to note that some of the residues of CTD bound to CAI are also involvedin...

Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

... biological function of the pro-form of bone morphogenetic protein-2 (BMP-2), a member of the transforminggrowth factor b (TGFb) ⁄ BLP superfamily. The role of the 263 amino acids of the pro-peptide ... experi-ments demonstrate binding of proBMP-2 tothe ECD of BMPR-IA. Interaction of BMP-2(A) and proBMP-2 (B) with immobilized ECD of BMPR-IA. Interaction of BMP-2 (C) andproBMP-2 (D) with ... effect of BMP-2 and proBMP-2 on the phosphorylation status of p38 was tested, addition of BMP-2 resulted inmaximal phosphorylation of p38 after 60 min, whileproBMP2 showed no induction of p38...

Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt

... understanding of the ACMSDcatalytic mechanism is still incomplete. In light of thereported ACMSD upregulation in the liver of streptozotocin-induced diabetic rats and the suppres-sion of such elevation ... withArg47 (distance of 3.0 A˚), an electrostatic interactionwith the Zn2+ion (closest distance of 4.1 A˚) and anextensive network of hydrogen bonds involving a set of well-ordered solvent ... thebound ligand. Trp191 shows the most pronouncedmovement, which consists of a rotation around the v2dihedral angle of about 95°, allowing formation of ahydrogen bond with the DHAP phosphate...

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