Tài liệu Báo cáo khoa học: "Structure-Sharing in Lexical Representation" docx
Tài liệu Báo cáo khoa học: " Multimodal In-Car Dialogue" docx
... themulti-modal setting.Novel aspects in turn planning and realizationinclude the comprehensive modeling in a sin-gle, OWL-based ontology and an extended rangeof context-sensitive variation, including systemalignment ... specialized to a domain byinheriting and instantiating domain-specific typesand instances of the PS objects.5.3 Adaptive Turn PlanningThe fission component comprises detailed con-tent planning, media ... beintegrated and evaluated in a research car. In the following sections, we describe the func-tionality and architecture of the system, point outits special features in comparison to existing...
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Tài liệu Báo cáo khoa học: Changes in purine specificity in tandem GAF chimeras from cyanobacterial cyaB1 adenylate cyclase and rat phosphodiesterase 2 pptx
... major interaction site for the adeninemoiety. In b1, an arginine residue (Ile417 in rPDE2)binds to N1 and a threonine (Ser419 in rPDE2) inter-acts with N7 and the N6amino group. The inter-actions ... cGMP binding [13], and, in PDE6, both of theamino acids corresponding to Phe433 ⁄ Asp434 in rPDE2A are required for cGMP binding [14].Our initial mutations in cyaB1 GAF B also involvedindividual ... (Phe433 ⁄ Asp434 in rPDE2) that interactswith the pyrimidine ring of the purine, either individu-ally or in various combinations in 12 different con-structs, enhanced cAMP binding but had little...
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Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc
... sterically interfere with side-chain packing in theprotein’s interior. Mutations that create cavities in hydro-phobic environments generally cause proteins to becomeless stable [44,45]. Using the ... generalunfolding, not leaving any hydrophobic cleft for bis-ANSbinding. High pressure is well known to denature proteins topartially folded states [15,17,38,48–50]. The large increase in bis-ANS binding ... a powerful tool for using tostudy cavities in proteins [24,25]. The coat protein ofbacteriophage MS2 contains two tryptophan residues, thuspermitting the use of intrinsic fluorescence as a...
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Tài liệu Báo cáo khoa học: "Experiments in Semantic Classification" pptx
... a deepening of the lines be- tween the eyebrows, indicating concentration, deter- mination, opposition or hostility.” Definitions of this kind are again not easily handled in machine opera- ... adequate for our purposes. In giving a synonym definition, we are making use of a more general idea, namely, that of defining the intra- linguistic meaning of a word in terms of its relations ... of definition distinguishes the intra-linguistic meaning of a word, as represented by its relations with other words in the vocabulary, from its extra-linguistic meaning or reference (in the...
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Tài liệu Báo cáo khoa học: Histones in functional diversification Core histone variants pdf
... containing poly(ADP-ribose) polymeraseactivity and other single strand RNA viral proteins.They show structural similarity to the DNA bindingdomain of leucine aminopeptidases, suggesting thatDNA ... ofH2B interaction, bind to the minor groove on the out-side of the superhelix (Fig. 3A). Thus, N-terminal tailsare involved in deciding the DNA–histone interactions,and to keep an intact ... neighbouring DNAwhile the C-termini provide docking domains forinternucleosomal interactions. Covalent modificationsof charged residues in the N-termini and a perturba-tion of the C-terminus results...
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Tài liệu Báo cáo khoa học: Changes in rat liver mitochondria with aging Lon protease-like activity and N e-carboxymethyllysine accumulation in the matrix doc
... FUÆlgprotein)1Æh)1). In parallel with this decrease in activity, oxidized proteins accumulated in the matrix uponaging while the CML-modified protein content assessedby ELISA significantly increased ... been found in several mammalsincluding human tissues and cell lines [24–26]. It isresponsible for the degradation of abnormal proteins andcertain short-lived specific proteins [27,28]. In this ... 0.06Ó FEBS 2003 Protein alteration in mitochondrial matrix with aging (Eur. J. Biochem. 270) 2297ADP/O ratios obtained with succinate or glutamate indicateno change in coupling efficiency. The...
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Tài liệu Báo cáo khoa học: "Coherence in Spoken Discourse*" pptx
... found in a writ- ten text. extended in order to maintain a coherent discourse structure for the modelling of the producer. Thus rhetorical relations describing planning processes are introduced. ... remaining part of the paper is organised as follows. Section 2 contains a description of the ex- perimental setting in which the example discourse was obtained (Habel and Tappe, forthcoming). ... containing (U2) and (U3) is 'cut off' and not available for further attachment. Embedded within the expectation is an utterance describing the ongoing planning and searching pro-...
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Tài liệu Báo cáo khoa học: "ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE" doc
... geography, most questions within the English subset are answered in well under one second, including queries which involve taking Joins between relations having of the order of a thousand ... complication of defining the semantics of predicates over indexed sets. Consider, for example, "Are the major cities of the Scandinavian countries linked by rail?". In cases involving aggregate ... aggregate information, such as "number of employees" in a department, is a speclal case of the general issue of storing and accessing non- primitive information, to be discussed below in...
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Tài liệu Báo cáo khoa học: "Structures in XSEL" docx
... deposit into working memory at lea.st five generic links, each having the token of the fact total-disk-space in its sink attribute and each having the token of a fact that entered into the ... links linking each of the intermediate facts to their subfacts. Total.user-disk- space is a newly created intermediate fact, and a relational link, with rrelation percent, is created linking ... the message generator is in generic mode, it b constrained to locating generic links during step 2 of the cycle, and it is constrained to selecting the generic schema during step 3 of the cycle....
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Tài liệu Báo cáo khoa học: "Centering in-the-Large: Computing Referential Discourse Segments" doc
... better integrated into centering than the caching model, since the cells of segment struc- tures simply contain "pointers" that implement a direct link to the original centering data. ... mine the "segment focus", since that is implicitly given in the local centering data already available in our model. A recent attempt at introducing global discourse no- tions into ... warum die Auto-Continue-Funktion in der PostScript-Emulation nicht wirkt. Without this print-out, looks - one - in vain - for a hint - why - the auto-continue-function - in the PostScript em-...
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