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

... stochastic models for doc- ument coherence, for both EARTHQUAKES and ACCIDENTS genre, using IDL-CH-HB . Board’s database. For both collections, we used 100 documents for training and 100 documents for ... all coherence indicators. A frequently used testbed for coherence models is the discourse ordering problem, which occurs often in text generation, complex question answer- ing, and...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 20/02/2014, 04:20

... 336–343, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Sentence generation as a planning problem Alexander Koller Center for Computational Learning Systems Columbia ... Stone Computer Science Rutgers University Matthew.Stone@rutgers.edu Abstract We translate sentence generation from TAG grammars with semantic and pragmatic in- formation into a planni...

Ngày tải lên: 20/02/2014, 12:20

... directly by the fission module, but we are currently experimenting with using the OpenCCG realiser’s language models to choose them, using example-driven techniques. 4 Surface Realisation Surface realisation ... four main phases in the demonstra- tor. First, the user specifies the shape of their own bathroom, using a combination of speech in- put, pen-gesture recognition and handwriting r...

Ngày tải lên: 20/02/2014, 15:20

... 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...

Ngày tải lên: 20/02/2014, 18:20

... 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 whic...

Ngày tải lên: 20/02/2014, 21:20

... 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...

Ngày tải lên: 21/02/2014, 20:20

... 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) )...

Ngày tải lên: 21/02/2014, 20:20

... adjusted with the aid of genedoc. A list of sequences 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 three heated chains that were run for 1 000 000 generations. Starting trees were random, trees were sampled every 100th generation and posterior probabilities were estimated...

Ngày tải lên: 18/02/2014, 08:20

... 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 10 280 M )1 Æcm )1 [22]. AAP concentrations were also determined spectrophotometri- cally using an extinction coefficien...

Ngày tải lên: 19/02/2014, 12:20