Tài liệu Báo cáo khoa học: "REMARKS ON PLURAL ANAPHORA" pptx

... processes. No operations on RefOs other than the sum operation will be considered in the present context. 3. CONSTRAINTS ON SUM FOR- MATION Sentences like (1.a) and (1.b) demon- strate that ... questions. However, we will give some sketchy answers to the first and second questions as well. We consider only two-sentence texts in which the second sentence contains an anaphoric pronoun ... terms only. Often, several complex RefOs can be constructed, but only one of them is the preferred referent for the plural anaphor in question. As a means of explanation for preferred and non-preferred...

Tài liệu Báo cáo khoa học: Studies on structural and functional divergence among seven WhiB proteins of Mycobacterium tuberculosis H37Rv pdf

... to conformational differences betweenthe two proteins. The relative cross-reactivity of poly-clonal antibodies was used to probe the conforma-tional variations at the tertiary level among ... conditions, coordinate a [2Fe–2S] clus-ter. However, based upon the in vitro reconstitutionassay, both were found to be [4Fe–4S] cluster coordi-nating proteins. Iron–sulfur clusters are one ... differentialelectronic environment. The nature and type of aminoacids and their side-chain orientations around iron–sulfur cluster coordination sites are the likely cause ofminor variations in the electronic...

Tài liệu Báo cáo khoa học: "Kernels on Linguistic Structures for Answer Extraction" doc

... and semantics. Ourexperiments on question/answer classificationshow that the above models highly improve on bag-of-words on a TREC dataset.1 IntroductionQuestion Answering (QA) is an IR task ... Papers (Companion Volume), pages 113–116,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsKernels on Linguistic Structures for Answer ExtractionAlessandro Moschitti ... representation isthe idea that when we ignore the answer to a def-inition question we check whether such answer isformulated as a “typical” definition and whether an-swers defining similar concepts...

Tài liệu Báo cáo khoa học: "Panel on Natural Language and Databases" pot

... programming environment offers a convenient yet challenging extension of work already being done with database query. First I recite some of the merits of continuing research on natural language ... language. How much these cross-linguistic concerns ought to affect the construction of a particular system is itself one of the questions deserving of atten- tion, but our experience to date suggests ... within the confines of constructing an interface for ordinary databases. One advantage is that the speed of processing is not of overwhelming importance in this application, since one who requests...

Tài liệu Báo cáo khoa học: "Constraints on Non-Projective Dependency Parsing" doc

... weakly connected,which entails that the corresponding undirected graph is con-nected, w hereas a strongly connected graph has a directedpath between any pair of nodes.74(“Only one of them concerns ... to Deﬁ nition 1–2.3 ConstraintsThe only conditions so far imposed on dependencygraphs is that the special node 0 be a root and thatthe graph be connected. Here are three furtherconstraints ... degree 1.The only non-projective arc in the graph is (5, 1)and G(5,1)contains three connected components,each of which consists of a single root node (2, 3and 4). Since only one of these,...

Tài liệu Báo cáo khoa học: "Experiments in Semantic Classification" pptx

... show act impersonation action act operation act performance performance action act deed operation performance action act deed deed act deed doing act action deed act action deed instrument ... Translation,” International Con- ference on a Common Language for Machine Literature Search- ing and Translation, Cleveland, Ohio, 1959. C.L.R.U., “Essays on and in Ma- chine Translation,” ... London, 1953. 3. Masterman, M., “Semantic Mes- sage Detection for Machine Translation, using an Interlin- gua,” Proceedings of the 1961 International Conference on Ma- chine Translation...

Tài liệu Báo cáo khoa học: "Fragments and Text Categorization" pptx

... classification tasks in-volved money-fx+money-supply vs. trade,money-fx vs. money-supply, money-fxvs. trade and money-supply vs. trade.MEDLINE data3(235 abstracts of medical papersthat concerned ... was re-moved so that the text contained only the body ofthe message and in some cases, replies)Reuters-21578, Distribution 1.02(only documentsfrom money-fx, money-supply, trade clas-sified ... classificationof the whole document from classifying fragments(fragments method) is described in Section 3.Experimental settings are introduced in Section 4.Section 5 presents the main results. We concludewith...

Tài liệu Báo cáo khoa học: "Coherence in Spoken Discourse*" pptx

... relation between (U2) and (U3) as a narration-relation. This relation does not add a new perspective or a new theme to the ongoing discourse, but rather supports its continua- tion. On contrast, ... tree and to add a contrast relation to the expectation. The construction of the discourse structure contin- ues therefore at the top level of the tree in figure 4. 6 Conclusion We have shown ... short introduction to the discourse grammar is given in section 4. Section 5 offers the formalisation of the example discourse and section 6 concludes and describes areas for ongoing research....

Tài liệu Báo cáo khoa học: "WORD, PHRASE AND SENTENCE" pptx

... translation of sentences without regard for larger contexts marked the late sixties high point of MT research amid contemporaneous studies of the English dictionary and thesaurus. Competition among ... sessions, there is a stronK sense of de~a vu; the earliest natural language studies featured automatic extracting and information retrieval based on statistical, lexical and associational ... highly associated by co-occurrance in medical definitions. Another report shews the effectiveness of keyword identification and selection of prominent sentences to organize abstracts for retrieval....

Tài liệu Báo cáo khoa học: Afﬁnity and kinetics of proprotein convertase subtilisin ⁄ kexin type 9 binding to low-density lipoprotein receptors on HepG2 cells docx

... theslopes. Association data were ﬁtted by either the one-phaseexponential association equation Y = Y0+ (plateau )Y0)*[1 ) exp() Kx)] or the two-phase exponential associa-tion equation Y = Y0+ ... different conformations whenimmobilized on the biosensor chip.The observation of two kinetic components in theassociation and dissociation kinetics also suggests thepresence of two populations of ... length of association time. Thisprediction was tested by comparing the dissociationrate for binding under the pre-equilibrium conditions(60 min) and equilibrium conditions (240 min). As canbe...

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