Báo cáo khoa học: "Discourse Structures for Text Generation" doc

... in a text. The pattern of instantiation of schemas in a text is called a text structure. So, for our example text, one part of its text structure says that the text span of the whole text ... more comprehensive and more informative about text function than the text organization parts of previous text generation systems. 1, The Text Organization Problem Text ge...

Ngày tải lên: 24/03/2014, 01:21

... Association for Computational Linguistics Different Structures for Evaluating Answers to Complex Questions: Pyramids Won’t Topple, and Neither Will Human Assessors Hoa Trang Dang Information Access ... answering (QA) systems for addressing complex information needs has ne- cessitated the development and refinement of new methodologies for evaluating and comparing sys- tems. In the T...

Ngày tải lên: 20/02/2014, 12:20

... Figure 1) or MS-NBC. For example, the structure for the Jim Lehrer News Hour provides not only segmentation information but also content information for each segment. Thus, the order of stories ... content-based information browsing, retrieval, extraction, and summarization to ensure their value for tasks such as real-time profiling and retrospective search. Whereas image proc...

Ngày tải lên: 23/03/2014, 19:20

... guistic structures, their equivalences, and meanings. The Problems The difficulties associated with word -for- word translation were appreciated from the very beginning, at least in outline form. ... solved by the proper manipulation or utilization of the context. Context is to be understood here in its broadest interpretation. Contextual clues were treated in detail in an earlie...

Ngày tải lên: 19/02/2014, 19:20

... gestures, in which the form 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 ... unlike formal sign language – rarely fol- lows any predefined form or grammar, and may vary dramatically by speaker. A key implementational challenge is automati- cally extracting gestural...

Ngày tải lên: 20/02/2014, 09:20

... June 2008. c 2008 Association for Computational Linguistics Self-Training for Biomedical Parsing David McClosky and Eugene Charniak Brown Laboratory for Linguistic Information Processing (BLLIP) Brown ... al., 2006a; McClosky et al., 2006b). One possible use for this technique is for parser adaptation — initially training the parser on one type of data for which hand-labeled tree...

Ngày tải lên: 20/02/2014, 09:20

... to perform the intended action, but a well-behaved agent might need to delay performance until the obligation is dealt with. For example, if the intention is to perform a series of inform acts, ... Some obligation rules based on the performance of con- versation acts are summarized in Table 1. When an agent performs a promise to perform an action, or performs an acceptance of a sugge...

Ngày tải lên: 20/02/2014, 21:20

... are required for the word forms of a given language. A part of such a ma- chine is shown in Figure 1. The sequences which this will generate are those required for the Future forms both of ... syntactic and semantic justification. The various forms discussed in this paper are customarily displayed in paradigms; for example, see Reynolds [1962] for the paradigms of MANDARE, a v...

Ngày tải lên: 07/03/2014, 18:20

Ngày tải lên: 08/03/2014, 01:20

... Association for Computational Linguistics Ensemble Methods for Unsupervised WSD Samuel Brody School of Informatics University of Edinburgh s.brody@sms.ed.ac.uk Roberto Navigli Dipartimento di Informatica Universit ` a ... sequences of re- lated words spanning a topical text unit (Mor- ris and Hirst, 1991). Algorithms for computing lexical chains often perform WSD before infer- ring wh...

Ngày tải lên: 08/03/2014, 02:21