Báo cáo khoa học: "A LOGICAL VERSION OF FUNCTIONAL GRAMMAR" potx
Báo cáo khoa học: "A LOGICAL VERSION OF FUNCTIONAL GRAMMAR" potx
... A LOGICAL VERSION OF FUNCTIONAL GRAMMAR William C. Rounds University of Michigan Xerox PARC Alexis Manaster-Ramer IBM T.J. Watson ... (Some of these nodes can have unspecified values, to be unified in later. This is why r is only partial.) Let F be the set of terminating states of. A, and let PC.A) be the set of full paths of, 4, ... set of arc labels, and A be a set of atomic feature values. An ( A, L)- automaton is a tuple .4 = (Q,6,qo, r) where Q is a finite set of states, q0 is the initial state, L is the set of labels...
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Báo cáo khoa học: "A logical treatment of semi-free word order and bounded discontinuous" pot
... indices of intensional structures, identity of two structures is indicated with boxed integers. 2.4. A Partial Proof Theory We use a partial Hilbert-style proof theory consisting of one rule of ... ordering constraints on elements of sequences. The grammars we use consist of three types of elements: (1) descriptions of lexical signs, (2) descriptions of nonlexical signs and (3) axioms ... denote the class of objects of basic types. +-superscripted script capitals denote the class of objects of the corresponding i-types. Bold script capitals denote elements of the types. Bold...
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Tài liệu Báo cáo khoa học: A novel type of highly negatively charged lipooligosaccharide from Pseudomonas stutzeri OX1 possessing two 4,6-O-(1-carboxy)-ethylidene residues in the outer core region ppt
... B,O-3 and O-4 of residue C, O-3 of residue D,O-4andO- 6of residues E and F, O-6 of residue G, O-5 and O-4 of residueL,whereasI was a terminal residue. In the high field region of the spectrum ... absence of anomericsignals from GlcN I and GlcN II of Lipid A, the lack of pyruvate methyl groups, as a consequence of the cleavage of the ketal group under acid treatment, and the presence of singlet ... theunderstanding of adaptive chemical alterations of theouter membrane of P. stutzeri OX1 as a consequence of its exposure to solvents, which has already been docu-mented in other cases [1,8,9]. Most of...
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Tài liệu Báo cáo khoa học: A kinetic model of the branch-point between the methionine and threonine biosynthesis pathways in Arabidopsis thaliana doc
... was of special interest to use the in vitro system to test the effect of AMP on the partition of the flux of Phser underphysiological conditions. The partition was measured inthe conditions of ... theactivating interaction of AdoMet with TS may attenuatethe changes in the flux of threonine due to a modification of the level of AdoMet. Indeed, upon an increase in the level of AdoMet, TS is activated ... independent of what happens on the cystathionineside. The Phser branch-point combines the divergence of two fluxes (fluxes of cystathionine and threonine) with theconvergence of two fluxes (fluxes of Phser...
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Tài liệu Báo cáo khoa học: A possible role of mitochondria in the apoptotic-like programmed nuclear death of Tetrahymena thermophila Takashi Kobayashi and Hiroshi Endoh docx
... Leary JH III & Evans DL (2000)Role of nonspecific cytotoxic cells in the induction of programmed cell death of pathogenic protozoans: Parti-cipation of the Fas ligand-Fas receptor system. ... antiapoptoticmembers of the Bcl-2 family proteins regulate loss of mitochondrial inner membrane potential, which resultsin the release of these apoptogenic factors [1,10]. Theinvolvement of mitochondria ... acidic in thefinal step of PND [22,23]. DePsipher staining of themacronucleus appeared initially during the stage of autophagosome formation, and persisted until resorp-tion of the parental macronucleus...
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Tài liệu Báo cáo khoa học: "A Comprehensive Dictionary of Multiword Expressions" doc
... indication of the syntactic flexibility of entry expressions (i.e., possibility of internal modification of constituent words) of entry expressions. In section 2, we outline the main features of ... available, presumably because of the difficulty of extracting correctly without any human insight. Recognizing the crucial importance of such expressions, one of the authors of the current paper began ... proper solution of idiosyncratic multiword expressions (MWEs) is one of the most difficult and intriguing problems in NLP. In principle, the nature of the idiosyncrasy of MWEs is twofold: one...
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Tài liệu Báo cáo khoa học: A unique variant of streptococcal group O-antigen (C-polysaccharide) that lacks phosphocholine ppt
... Sweden;2Department of Medical Microbiologyand Immunology, University of Aarhus, DenmarkStreptococcus mitis strain SK598, which represents a sub-group of biovar 1, possesses a unique variant of theC-polysaccharide ... cell wall of all strains of Streptococcus pneumoniae and in some strains of S. mitis.This new variant lacks the choline methyl groups in contrastto the previously characterized forms of C-polysaccharide,which ... Streptococcus mitis.Previous serological analysis of the mitis group streptococcisuggested that C-polysaccharide is a common antigen of Streptococcus pneumoniae and of most Streptococcus mitisbiovar...
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Tài liệu Báo cáo khoa học: "A Hierarchical Account of Referential Accessibility" pptx
... Thompson(1988).One of the conjectures of VT is that the veinexpression of a unit (terminal node), whichincludes a chain of discourse units that containthat unit itself, provides an “abstract” orsummary of ... referentialexpressions in a corpus of texts C using DRAs of size k is computed as the sum of the effortse(M,a,DRAk) of all referential expressions awhere VT finds the co-reference of a in a leftsatellite. ... the style of Mann and Thompson (1988).Each analysis yielded an average of 52elementary discourse units. Details of theannotation process are given in (Marcu et al.,1999).Six percent of all...
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Tài liệu Báo cáo khoa học: "A Statistical Analysis of Morphemes in Japanese Terminology" docx
... growth rate of the morphemes of each type observed separately. Each of them expresses the probability of encountering a new morpheme for the separate sample consisting of the morphemes of the ... quantitative status of the morphemes of each type as a mass in terminology. So the transi- tions of Pf and Rf, with changing N, express the changes of the status of the morphemes of each type in ... report the result of a quan- titative analysis of the dynamics of the con- stituent elements of Japanese terminology. In Japanese technical terms, the linguistic contri- bution of morphemes greatly...
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Tài liệu Báo cáo khoa học: "A Selectionist Theory of Language Acquisition" docx
... important but often ignored requirement of developmental compatibility. One of the most significant findings in child lan- guage research of the past decade is that different aspects of syntactic ... propagation of learning errors, and usually require a large corpus of (some- times pre-processed) data. These properties imme- diately challenge the psychological plausibility of the statistical ... revises a set of syntactic_rules upon presentation of partially bracketed sentences. Note that however, the state of the learning sys- tem at any time is still a single set of rules, that...
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