Tài liệu Báo cáo khoa học: "Discourse Generation Using Utility-Trained Coherence Models" doc

... stochastic models for doc- ument coherence, for both EARTHQUAKES andACCIDENTS genre, using IDL-CH-HB .Board’s database.For both collections, we used 100 documentsfor training and 100 documents for ... all coherence indicators.A frequently used testbed for coherence modelsis the discourse ordering problem, which occursoften in text generation, complex question answer-ing, and multi-document ... as-sumed to have lost some degree of coherence (scrambled versions of the original documents).2.2 Global Models of Discourse Coherence Barzilay and Lee (2004) propose a document con-tent model that...

Tài liệu Báo cáo khoa học: "Disentangling Chat with Local Coherence Models" pdf

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Tài liệu Báo cáo khoa học: "Sentence generation as a planning problem" pptx

... 336–343,Prague, Czech Republic, June 2007.c2007 Association for Computational LinguisticsSentence generation as a planning problemAlexander KollerCenter for Computational Learning SystemsColumbia ... StoneComputer ScienceRutgers UniversityMatthew.Stone@rutgers.eduAbstractWe translate sentence generation from TAGgrammars with semantic and pragmatic in-formation into a planning problem by ... performance of off-the-shelf plan-ners. It also opens up new perspectives onreferring expression generation and the rela-tionship between language and action.1 IntroductionSystems that produce...

Tài liệu Báo cáo khoa học: "Multimodal Generation in the COMIC Dialogue System" docx

... directly by the ﬁssionmodule, but we are currently experimenting with using the OpenCCG realiser’s language models tochoose them, using example-driven techniques.4 Surface RealisationSurface realisation ... four main phases in the demonstra-tor. First, the user speciﬁes the shape of theirown bathroom, using a combination of speech in-put, pen-gesture recognition and handwriting recog-nition. Next, ... adaptive output, COMIC uses information fromthe dialogue history and the user model throughoutthe generation process, as in FLIGHTS (Moore etal., 2004); both systems build upon earlier work onadaptive...

Tài liệu Báo cáo khoa học: "Discourse Relations: A Structural and Presuppositional Account Using Lexicalised TAG*" docx

... Discourse Relations: A Structural and Presuppositional Account Using Lexicalised TAG* Bonnie Webber Univ of Edinburgh bonnie@dai.ed.ac.uk Alistair Knott Univ ... while still allowing the real- isation of a full range of discourse relations. This is achieved using the same semantic machinery used in deriving clause-level semantics. 1 Introduction Research ... papers (Cristea and Webber, 1997; Webber and Joshi, 1998; Webber et al., 1999), we have argued for using the more complex structures (elementary trees) of a Lexicalized Tree-Adjoining Grammar (LTAG)...

Tài liệu Báo cáo khoa học: "Discourse Obligations in Dialogue Processing" docx

... multi-agent actions at the discourse level. Others have tried to account for this kind of behavior using social intentional constructs such as Joint intentions [Cohen and Levesque, 1991 ] or Shared ... more satisfactorily, they still require a strong degree of cooperativity to account for dialogue coherence, and do not provide easy explanations of why an agent might act in cases which do not ... those introduced by a question, are cooperative responses. Games provide a better explanation of coherence, but still require the agent's to recognize each other's intentions to perform...

Tài liệu Báo cáo khoa học: "DISCOURSE DEIXIS: REFERENCE TO DISCOURSE SEGMENTS" pdf

... and definite refemncem) and discourse segments go with sentences or clauses (to explain textual coherence and d~ourse stmctare). This leaves a gap in the case of referencem to what can only ... of that and 48 of this). On the other hand, looking at all instances of pronominal referencem using it to discourse entities evoked by NPs 2, of 41 such references, 39 (-95%) used it while ... Taylor, A Summons to Memphis, p.68] Example 17 By this time of course I accepted Holly's doctrine that our old people must be not merely forgiven all their injustices and unconscious...

Tài liệu Báo cáo khoa học: "DISCOURSE ENTITIES IN JANUS" pot

... Abstract This paper addresses issues that arose in apply- ing the model for discourse entity (DE) generation in B. Webber's work (1978, 1983) to an interactive multi- modal interface. Her ... Sidner, 1986), A speaker may then felicitously refer anaphorically to an object (subject to focusing or centering constraints (Grosz et al., 1983, Sidner 1981, 1983, Brennan et al. 1987) ) ... plans for future work. This is, to our knowledge, the first implementation of Webber's DE generation ideas. We designed the 243 algorithms and structures necessary to generate dis- course...

Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... adjusted with the aid of genedoc. A list ofsequences used in this study is provided in Table S2. Bayes-ian phylogenetic analysis was performed using mrbayes 3.1[44], using the WAG [45] model and ... one cold and threeheated chains that were run for 1 000 000 generations.Starting trees were random, trees were sampled every 100th generation and posterior probabilities were estimated onthe ... 12,2330–2338.41 Nicholas KB & Nicholas HB Jr (1997) GeneDoc: Analy-sis and Visualization of Genetic Variation. http://www.psc.edu/biomed/genedoc/.42 Nielsen H, Engelbrecht J, Brunak S & von...

Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf

... proteins were collected onto glass ﬁber ﬁlters using a cell harvester, washed with 5% trichloroacetic acid(w/v), and radioactivity was counted using a liquid scintil-lation counter. Background ... was determined by UV spectroscopy, using an extinction coefﬁcient of 10 280M)1Æcm)1[22]. AAPconcentrations were also determined spectrophotometri-cally using an extinction coefﬁcient of ... Met1 from other ribonucleases, such asangiogenin [15] and bovine seminal ribonuclease [16]. When using (Met1)-ONC (M23L) as a substrate, it was foundnecessary to completely denature and reduce...

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