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

... THE COMPUTATIONAL COMPLEXITY OF AVOIDING CONVERSATIONAL IMPLICATURES Ehud Reiterf Aiken Computation Lab Harvard University ... problem of gen- erating 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- ... factual descriptions of the referred-to object. This condition is already part of the definition of a successful referring expression, and does not need to be restated as a conversational implicature...

Báo cáo khoa học: "THE COMPUTATIONAL DIFFICULTY OF ID/LP PARSING" potx

... over the nse of garley's algorithm on the expanded CF'G. but it blows up in tile worst case; tile el;din of (9(G" . r(~) time complexity is nustaken. A reduction of the vertex- ... first three occurrences of z, the state set of the parser will reflect the possibility that any three of the phrases A,/3, C, D, E might have been seen ,'rod any two of then| might remain ... prediction of phrases. In cases like this, $hieber's al- gorithm enumerates all of the combinations of k elements taken i at a tin|e, where k is the rule length and i is the number of elements...

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

... '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 ... and coordination of N2 and coordination of N2 but no coordinators (i.e. a list) both.and coordination of N2 or coordination of N2, all conjuncts PLU - or coordination of N2, differing ... coordinator and coordination of N or coordination of N, all conjuncts with same PLU value and coordination of N1 or coordination of N1, all conjunets PLU - or coordination of N1, all conjuncts...

Tài liệu Báo cáo khoa học: "A COMPUTATIONAL VIEW OF THE COGNITIVE SEMANTICS OF SPATIAL PREPOSITIONS*" ppt

... representation of physical objects from the two-level semantics of Bierwisch and Lang. In particular the dimensions of the process of conventwnal imagery are used as a metric for the design of our ... imagery. The first section of this paper introduces the semantics of projective prepositions (eg. "in front of& quot;, "behind", "left of& quot;, "right of& quot;), illustrating ... version of Langacker's process of conceptualization by means of conventional im- agery. To verify the utility of the resulting concep- tualization, we use the interpretations of spatial...

Báo cáo khoa học: "The Computational Lexical Semantics of Syntagmatic Relations" pptx

... selection of co-occurrences is part of the lexical pro- cess, in other words, if there are reasons not to choose a co- occurrence because of the presence of modifiers or because of stylistics ... context of a pupil rather than any other element belonging to the paradig- matic family of teacher such as professor, instructor. Formally, there is no difference between the two types of ... called a collocate of it Collocation is the occurrence of two or more words within a short space of each other in a text". The prob- lem is that with such a definition of collocations,...

Báo cáo khoa học: "A COMPUTATIONAL MODEL OF THE SYNTAX-PROSODY INTERFACE IN TOKYO JAPANESE" doc

... WHAT SORT OF TREES DO WE SPEAK? A COMPUTATIONAL MODEL OF THE SYNTAX-PROSODY INTERFACE IN TOKYO JAPANESE Pete Whitelock Sharp Laboratories of Europe Ltd. Neave House, Winsmore ... the value of a register. A constituent labelled <major +> will contribute two sets of constraints - over the relative values of its daughter's registers, and on the pitch of the ... version of PATR-II augmented with a simultaneous equation solver. Most of the data given above have been described with varying degrees of accuracy. Formulating and testing the predictions of diverse...

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 ... ring of CAP-1 inserts; the urea and dimethyla-monium groups of CAP-1 also make contacts with theside chains and ⁄ or backbones of several residues in theprotein. Thus, most of the contacts of...

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