Báo cáo khoa học: "Alternative Approaches for Generating Bodies of Grammar Rules" docx

Báo cáo khoa học: "Alternative Approaches for Generating Bodies of Grammar Rules" docx

Báo cáo khoa học: "Alternative Approaches for Generating Bodies of Grammar Rules" docx

... Alternative Approaches for Generating Bodies of Grammar Rules Gabriel Infante-Lopez and Maarten de Rijke Informatics Institute, University of Amsterdam {infante,mdr}@science.uva.nl Abstract We ... used for generating bodies of rules inside a parsing procedure. We com- pare the two approaches along two dimensions: the quality of the probabilistic regular language they...
Ngày tải lên : 23/03/2014, 19:20
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Báo cáo khoa học: Therapeutic approaches for prion and Alzheimer’s diseases pot

Báo cáo khoa học: Therapeutic approaches for prion and Alzheimer’s diseases pot

... inherited forms of CJD are the result of a point mutation in PrP C that increases the propensity for it to assume an abnormal conformation. Virtually all genetic defects implicated in familial forms of ... con- formational transformation of these disease specific pro- teins and stabilize their abnormal structure. Examples of such proteins in AD include apolipoprotein E (apoE), espe...
Ngày tải lên : 07/03/2014, 10:20
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Báo cáo khoa học: "An Algorithm For Generating Referential Descriptions With Flexible Interfaces" pdf

Báo cáo khoa học: "An Algorithm For Generating Referential Descriptions With Flexible Interfaces" pdf

... namely: • the instant availability of all descriptors for an object to be described, • the adequate expressibility of a chosen set of descriptors in terms of lexical items. Motivated by the ... namely the instant availability of all descrip- tors of a referent and the satisfactory expressibility of the chosen set of descriptors. They are responsible for three serio...
Ngày tải lên : 08/03/2014, 21:20
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Báo cáo khoa học: Alternative substrates for wild-type and L109A E. coli CTP synthases Kinetic evidence for a constricted ammonia tunnel doc

Báo cáo khoa học: Alternative substrates for wild-type and L109A E. coli CTP synthases Kinetic evidence for a constricted ammonia tunnel doc

... CTPS concentrations were 20 lgÆmL )1 for wild-type and 20–24 lgÆmL )1 for L109A. For assays of Gln- or Gln analogue-dependent CTP formation, concentrations of Gln were 0.1, 0.2, 0 .3, 0.5, 1.0, ... lgÆmL )1 for wild-type and 5–54 lgÆmL )1 for L109A in a total volume of 2.5 m L. All components were preincubated for 2.5 min at 37 °C prior to initiation of the reaction by add...
Ngày tải lên : 23/03/2014, 13:20
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Báo cáo khoa học: "A Model For Generating Better Explanations" pot

Báo cáo khoa học: "A Model For Generating Better Explanations" pot

... A Model For Generating Better Explanations Peter van Beek Department of Computer Science University of Waterloo Waterloo, Ontario CANADA N2L 3G1 Abstract Previous work in generating ... plans hypothesized of a user. An explicit model of the user is maintained to track the goals, plans, and preferences of the user and also to record some of the background of the u...
Ngày tải lên : 24/03/2014, 02:20
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Báo cáo khoa học: "AN ALGORITHM FOR GENERATING NON-REDUNDANT QUANTIFIER SCOPINGS" pptx

Báo cáo khoa học: "AN ALGORITHM FOR GENERATING NON-REDUNDANT QUANTIFIER SCOPINGS" pptx

... selected for the generation of a subformula, the gain for sentences like (5) is Iremendous 9. The above suggests that complexity for scoping algorithms is a function of both the number of quan- ... number of permutations of quantifiers. For sen~ tences which contain two argument NPs and the rest of the quantifiers nested inside each of these, the number of scop...
Ngày tải lên : 01/04/2014, 00:20
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Tài liệu Báo cáo khoa học: "A Method for Measuring Machine Translation Confidence" docx

Tài liệu Báo cáo khoa học: "A Method for Measuring Machine Translation Confidence" docx

... follow: P = the number of correctly tagged labels the number of tagged labels R = the number of correctly tagged labels the number of reference labels F = 2*P*R P+R (8) 4.2 Contribution of feature sets We ... showed that most of the participants in the developing countries are ready to introduce qualitative changes in the pattern of their lives for the sake of reducing the...
Ngày tải lên : 20/02/2014, 04:20
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Tài liệu Báo cáo khoa học: "Efficient Parsing for Bilexical Context-Free Grammar sand Head Automaton Grammars*" pptx

Tài liệu Báo cáo khoa học: "Efficient Parsing for Bilexical Context-Free Grammar sand Head Automaton Grammars*" pptx

... O(n 4) results for the natural formalism of bilexical context-free grammar, and for AI- shawi's (1996) head automaton grammars. For the usual case, split head automaton grammars or equivalent ... of the form A[a] + ~. A T is just a derivation (proof tree) of lZ~n ,.o parse and its probability like that of any derivation we find is defined as the product of the p...
Ngày tải lên : 20/02/2014, 19:20
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Tài liệu Báo cáo khoa học: "A PROGRAM FOR ALIGNING SENTENCES IN BILINGUAL CORPORA" docx

Tài liệu Báo cáo khoa học: "A PROGRAM FOR ALIGNING SENTENCES IN BILINGUAL CORPORA" docx

... compare performance across different algorithms in a straightforward fashion. The program made 36 errors out of 621 total alignments (5.8%) for English-French, and 19 errors out of 695 (2.7%) ... probabilistic score is assigned to each proposed pair of sentences, based on the ratio of lengths of the two sentences (in characters) and the variance of this We will have li...
Ngày tải lên : 20/02/2014, 21:20
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Tài liệu Báo cáo khoa học: Different mechanisms for cellular internalization of the HIV-1 Tat-derived cell penetrating peptide and recombinant proteins fused to Tat docx

Tài liệu Báo cáo khoa học: Different mechanisms for cellular internalization of the HIV-1 Tat-derived cell penetrating peptide and recombinant proteins fused to Tat docx

... (Sigma) was performed as previously described [21]. However for easier hand ling of the cells, treatment was performed on HeLa cells instead of CHO K1 cells. C ells were then incubated with of 5 lgámL )1 Tat±GFP ... length of the polyarginine tract seems critical, as a maximal rate of internalization was observed for a peptide nine arginine residues i n length. The D -form and t...
Ngày tải lên : 21/02/2014, 03:20
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