Báo cáo khoa học: "The Semantics of Grammar Formalisms Seen as Computer Languages" docx

... approached the problem of analyzing the meaning of grammar formalisms by applying the techniques of denotational semantics taken from work on the semantics of computer languages. This has enabled us ... nature of the feature systems used in augmented phrase-structure grammar formalisms, in particular those of recent versions of generalized phrase structure grammar, lexical functional grammar ... grammar formalisms as just a special case of computer languages, we can take advantage of the machinery of denotational semantics [20 i to provide a precise specification of their meaning....

Báo cáo khoa học: "The Semantics of Resource Sharing in Lexical-Functional Grammar" pdf

... (199aa) provides an account of LFG semantics that represents the meaning of lexical items with linear logic formulas. These formulas manipulate basic assertions of the form f~,r'.~M, ... non-coordinated cases of RNR uniformly in the semantics. This also al- lows for our semantics of coordination not to r,'- quire schemas nor entities of polymorphic type: our meaning of and ... p.c.), as defined in Steedman (1987). (5) (<xsubstitute) Y/Z:G (X\Y)/Z:F =~ X/Z: )~x.(Fx(Gx)) The use of this combinator assimilates cases of noncoordinate RNR to cases involving parasitic...

Báo cáo khoa học: "The Semantics of Collocational Patterns for Reporting" pdf

... (whether realized as a full clause or as a noun phrase) corresponds t'o primary information. For tasks such as knowledge extraction it is the primary information that is of interest. For ... some kind of opposition could be recovered and was supported by some other means (such as emphasis through word order etc.). Tire most common form of expressing the opposition was through ... distribution of the degree of an- imacy. The numbers indicate percent of total occurrence of the verb, i.e. in 100 sentences that contain insist as a reporting verb, 57 have a single person as their...

Báo cáo khoa học: The modulation of metal bio-availability as a therapeutic strategy for the treatment of Alzheimer’s disease pptx

... because of animbalance in the activity of tau kinases and phospha-tases [3]. One particular tau kinase pertinent to metaldyshomeostasis in AD is glycogen synthase kinase-3(GSK3). GSK3 has recently ... dyshomeostasis inall aspects is clear. In the AD affected brain, metaldyshomeostasis is evident in the form of a substantialincrease in the levels of extracellular metals and adecrease in the ... theirdevelopment is the result of an aberrant shift in activ-ity of tau kinases and phosphatases [3]. Thus, althoughtargeting plaques and NFTs may ameliorate some of the consequences of AD and no doubt...

Tài liệu Báo cáo khoa học: "THE REPRESENTATION OF INCONSISTENT INFORMATION IN A DYNAMIC MODEL-THEORETIC SEMANTICS" ppt

... THE REPRESENTATION OF INCONSISTENT INFORMATION IN A DYNAMIC MODEL-THEORETIC SEMANTICS Douglas B. Moran Department of Computer Science Oregon State University Corvallis, ... An important subclass of the inconsistencies provided by this mechanism are known as intensional 16 substitution failure and this mechanism can be viewed as a variant of both the "impossible" ... time being): (I) [~ P P(j)] where P ranges over properties of individuals and has as its denotation the set of properties that John has. The sentence "John talks" translates to: (2)...

Tài liệu Báo cáo khoa học: "The Use of Shared Forests in Tree Adjoining Grammar Parsing" pptx

... left of each production can only be associated with one of the occurrences of nonterminals on the right of the production. Stacks of bounded size are associated with other occurrences of nonterminals ... state set of of Me,. IIow- ever, unlike the case of the cfg shared forest grammar, the extraction of individual parses for the input w does not simply involve reading off a derivation of Gw. ... viewed as a specialization of the grammar for the given input string. Lang [1992] extended this ap- proach considering both the recognition problem as well as the representation of all parses...

Báo cáo khoa học: "The Descent of Hierarchy, and Selection in Relational Semantics" docx

... homogeneous; the childnodes are a kind of (hyponym of) the disease at the par-ent node: Neoplasms (C04) is a kind of Disease C andHamartoma (C04.445) is a kind of Neoplasms.Other trees are more heterogeneous, ... Proceedings of the 40th Annual Meeting of the Association fora head-modifier relationship, and assume that the headnoun has an argument structure, much the way verbs do, as well as a qualia ... manyinstances of each case occur. Cases 2 and 5 are the mostproblematic; however, as it was quite difficult to find ex-amples for these cases, we suspect they are relatively rare.A question arises as to...

Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... subunits of P. marginata, with the exception of MgeHc1 (see below). Other or additional functions of insect hemocyanins, such as a role as storage orimmune proteins, or as functional phenoloxidasecannot ... weight, base composition, and secondarystructure of giant nuclear ribonucleic acid. Biochem 12,2330–2338.41 Nicholas KB & Nicholas HB Jr (1997) GeneDoc: Analy-sis and Visualization of Genetic ... hemolymph of many arthropod species[1–4]. They are composed of six identical or similarsubunits with molecular masses of around 75 kDa[1,3]. A subunit may bind to an O2molecule by means of two...

Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

... or turbidity assays (seebelow). The effect of the additives on aggregation of thetarget protein (in the absence and presence of aB-crystallin)was assessed at the end of each assay by calculating ... w ratio of cata-lase : aB-crystallin inhibited the precipitation of cata-lase by 71 ± 7% (Fig. 3B). This chaperone activitywas not affected by increasing concentrations of Gly,but was completely ... the precipitation of catalase; however, thiseffect was not seen at high concentrations of Arg-HCl,i.e. the chaperone activity of aB-crystallin was main-tained in the presence of 250 mm Arg-HCl.Ordered...

Tài liệu Báo cáo khoa học: The sequentiallity of nucleosomes in the 30 nm chromatin ﬁbre pptx

... shown). The high percentage of mono-nucleosomes obtained after MNase digestion with onlya small amount of dinucleosomes, as well as the grad-ual decrease of the number of nucleosomes in the mainpeak, ... mainly of tetra-, penta-, hexamers, minor tri- and heptamer com-ponents with an average number of nucleosomes in themain peak of 4.9, was extensively crosslinked. It wasdigested with MNase for ... digestion of samples crosslinked withDSP.Fig. S3. Trypsin digestion of samples crosslinked withEDC.Fig. S4. MNase digests of samples crosslinked withEDC.This material is available as part of the...

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