Tài liệu Báo cáo khoa học: "Gestural Cohesion for Topic Segmentation" docx
Tài liệu Báo cáo khoa học: "Gestural Cohesion for Topic Segmentation" docx
... gestures, in which theform of motion is the principle communicative fea-ture (McNeill, 1992).Non-textual features for topic segmentation Re-search on non-textual features for topic segmenta-tion ... HLT, pages 852–860,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsGestural Cohesion for Topic SegmentationJacob Eisenstein, Regina Barzilay and Randall DavisComputer ... thecodeword representation allows gestural cohesion tobe assessed in much the same way as lexical cohe-sion.4 Bayesian Topic Segmentation Topic segmentation is performed in a Bayesianframework, with...
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Tài liệu Báo cáo khoa học: "A Framework for Syntactic Translation" docx
... well take the form of a program written in a pseudo code, program- mable on a general-purpose computer. Earlier estimates9 that the amount of storage neces- sary for syntactic information may ... S1, which contains all of the information that is in the input sentence. The part of the information that is implicit in the sentence (tense, voice, and so forth) is made explicit in S1. ... certain German verb form into English, it is necessary to un- derstand the German verb form as part of a complex of features of German structure in- cluding possibly other verb forms within the...
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Tài liệu Báo cáo khoa học: "PLANNING TEXT FOR ADVISORY DIALOGUES" docx
... there are many different rhetorical strategies for achieving any given intentional goal. For example, the system has several plan opera- tors for achieving the intentional goal of de- scribing ... utterances for different types of users. pable of performing replacement acts. The second satellite is expanded, s posting the in- tentional subgoal to persuade the user to per- form the replacement. ... ers. This is necessary for linguis- tic reasons (e.g., to generate the appropriate clausal connectives in multi-sentential responses) and for responding to requests for elabora- tion/clarification....
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Tài liệu Báo cáo khoa học: Transient DNA ⁄ RNA-protein interactions docx
... tRNAGln(specifically for thetRNAGln). The two enzymes bound to the tRNAGlnassume alternative conformations for the two consecu-tive reactions. The catalytic centers of the two enzymescompete for the ... The catalytic centers of the two enzymescompete for the acceptor form of tRNAGln, and there-fore cannot adopt their productive forms simulta-neously. Hinge polypeptide regions between thecatalytic ... DNA duplex can form a toroid (thenucleosome, as in eukaryotes) or a plectoneme (inter-wound, as in bacteria). This distinction is relevant notonly for DNA packing, but also for transcription,...
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Tài liệu Báo cáo khoa học: A strategy for discovery of cancer glyco-biomarkers in serum using newly developed technologies for glycoproteomics ppt
... malignant transformation.Lectin microarray – a powerfultechnology for selection of lectins for cancer glyco-biomarkersThe lectin microarray system is an emerging technique for analyzing glycan ... microarray system is the best tool for a ‘cell profiler’, and it is expected to be applicable for selection of cancer-specific lectins and for qualitycontrol of stem cells before transplantation [12–15].Recently, ... the plat-form antibody-assisted lectin profiling for glycan-relatedbiomarker verification. Mol Cell Proteomics8, 99–108.25 Ciucanu I & Kerek F (1984) A simple and rapidmethod for the permethylation...
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Tài liệu Báo cáo khoa học: Structural bases for recognition of Anp32⁄LANP proteins doc
... London) for providing the Lanp clone,which was produced from a cDNA originally providedby Dr A. Matilla (ICH, London), Filippo Prischi for help with the gromacs software, and Dr L Masino for helpful ... immediately downstream of theLRR domain, could, for instance, induce a conforma-tional change of the adjacent region, which could berequired for Atx1 binding.Finally, we used yeast two-hybrid ... into the grooveformed by the concave surface of the LRR domain.Stabilizing interactions could form between His230 ofPP2A-C and Asp119 and Asn94 of Anp32a. A saltbridge could form between Glu226...
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Tài liệu Báo cáo khoa học: Structural basis for cyclodextrin recognition by Thermoactinomyces vulgaris cyclo⁄maltodextrin-binding protein ppt
... defined in terms not of the affinities for sugars but of whether the protein adopts the openform or the closed form. TvuCMBP–c-CD complex isseen as the closed form (Fig. 2A,B), and this struc-ture ... [11,15]. A common drasticconformational change is found in this protein family,which participates in switching from an open form toa closed form [16]. In EcoMBP, the closed form hasbeen observed ... cleft formed by the twodomains. A common functional conformational change has been reportedin this protein family, which involves switching from an open formto a sugar-transporter bindable form,...
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Tài liệu Báo cáo khoa học: Experimental proof for a signal peptidase I like activity in Mycoplasma pneumoniae, but absence of a gene encoding a conserved bacterial type I SPase pdf
... SPase typical for Gram-positive bacteria or for Gram-negative bacteria(such as LepB) has been identified in M. pneumoniae,although a SPase I activity has been shown to beessential for cell viability ... Biosystems).AcknowledgementsWe thank E. Pirkl and M. Ellis for skillful technicalassistance, C U. Zimmerman for critically reading themanuscript, M. T. Saleh for providing the latest resultsof a signal ... product P40 of MPN142,formerly called ORF6 gene. Combining mass spectrometry with a method for sulfonating specifically the free amino terminal group of proteins, thecleavage site for a typical signal...
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Tài liệu Báo cáo khoa học: "Dependency Hashing for n-best CCG Parsing" doc
... 175–182. Palo Alto, California,USA.Jason Eisner. 1996. Efficient Normal-Form Parsing for Combinatory Categorial Grammar. In Proceedings ofthe 34th Annual Meeting of the Association for Com-putational ... error. To do this, we added the goldcategory for a word to the set of possible tags con-sidered for that word by the supertagger. This wasdone for categories that the supertagger could use;categories ... forward and backward combinator application.Adapted from Villavicencio (2002).2 BackgroundCombinatory Categorial Grammar (CCG, Steedman,2000) is a lexicalised grammar formalism based onformal...
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Tài liệu Báo cáo khoa học: Kinetic basis for linking the first two enzymes of chlorophyll biosynthesis doc
... product formation 50 ms 150 msMagnitude of burst in product formation Approx. 10 nM Approx. 50 nMRate constant for MgDME product formationa11.8 s)131.7 s)1[14]aRate constants for MgDME ... methyltrans-ferase has important implications for regulation of chlorophyll biosynthesisand for the availability of magnesium protoporphyrin for plastid-to-nucleussignalling.AbbreviationsMg ... lm(Fig. 2). The Kd for ChlM binding to free MgD, deter-mined by fluorimetric titration, is 2.4 lm [13]. There-fore, if a ChlH–MgD complex is indeed a preferredsubstrate for ChlM, the affinity...
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