Báo cáo khoa học: "Dialogue Segmentation with Large Numbers of Volunteer Internet Annotators" pptx
Báo cáo khoa học: "Dialogue Segmentation with Large Numbers of Volunteer Internet Annotators" pptx
... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 897–904,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPDialogue Segmentation with Large Numbers of Volunteer ... cheaply from large numbers of volunteers over the Internet, without the time, the expense, and the logistical complexity of training. At present, however, it is unclear whether this volunteer ... Though volunteers received a minimum of training, the aggregated responses of the group showed very high agreement with expert opinion. The group, as a unit, performed at the top of the list of...
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Báo cáo khoa học: "Chinese Segmentation with a Word-Based Perceptron Algorithm" docx
... size of thebeam and the importance of word-based features.We compare the accuracy of our final system to thestate -of- the-art CWS systems in the literature usingthe first and second SIGHAN bakeoff ... instead of α as the final parameter vector. With a large number of features, calculating thetotal parameter vector σn,tafter each training exam-ple is expensive. Since the number of changed ... Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, pages 840–847,Prague, Czech Republic, June 2007.c2007 Association for Computational LinguisticsChinese Segmentation...
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Báo cáo khoa học: "Text Segmentation with LDA-Based Fisher Kernel" ppt
... sum of the costs of as-sumed unknown M segments, each of which ismade up of the length probability of block m and thesimilarity score of block m with its previous blockm − 1. The optimal segmentation t ... function including two parts of infor-mation. Segmentation points can be given in terms of a vectort = (t0, , tm, , tM), where tmis thesentence label with m indicating the mth block. ... called dotplotting dependingon the distribution of word repetitions to find tightregions of topic similarity graphically. One of theproblems with those works is that they treat termsuncorrelated,...
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Báo cáo khoa học: "Text Segmentation with Multiple Surface Linguistic Cues" pptx
... information of the lex- ical chains and the gaps of lexical chains that are the parts of the chains with no words. The gap of a lexical chain can be considered to in- dicate a small digression of ... + 1). • Occurrence of conjunctives (i = 5 10). If one of the six types of conjunctives 1 appears in the head of the sentence n+l, add 1 to scri(n, n+l). • Occurrence of anaphoric expressions ... Succession of the sentence of the same type (i = 15 18). If both sentences n and n+l are judged as one of the four types of sentences s, add 1 to scri(n, n + 1). 1The classification of conjunctives...
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Báo cáo khoa học: "SEMANTIC STRUCTURE WITH ANALYSIS ADNOMINAL OF JAPANESE PARTICLES NOUN PHRASES" pot
... possibility of paraphrasing A no B as a noun phrase with a relative clause by the addition of a verb, and e) the resolution of ambiguities using contextual informa- tion from the viewpoint of relation ... this is a generalization of the method of case frame analysis in which the analysis of the semantic structure of a verb-plus-noun phrase is based on the case-frame of the verb. That is, when ... functions of A to the semantic structure of A no, and adds a marker feature to the semantic structure of A no. The representation of no is shown in Figure 2. In the analysis of A no B,...
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Báo cáo khoa học: "DEDUCTIVE PARSING WITH MULTIPLE LEVELS OF REPRESENTATION*" pptx
... (PF) ~ - L Hgure 2: (Some of) The Principles of GB Theory. The principles of grammar are parameterized; the set of structures they admit depends on the value of these parameters. These principles ... Grammar as a set of formulae in that logical language. In the theory of of Universal Grammar, these formulae imply statements describing the linguistic properties of utterances of that human ... top-level structure of the knowledge of language employed by the PAD parsers mirrors the top-level structure of GB theory. Ideally the internal structure of the various principles of grammar should...
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Báo cáo khoa học: "AN EXPERIMENT WITH HEURISTIC PARSING OF SWEDISH" ppt
... AN EXPERIMENT WITH HEURISTIC PARSING OF SWEDISH Benny Brodda Inst. of Linguistics University of Stockholm S-I06 91 Stockholm SWEDEN ABSTRACT Heuristic parsing is the art of doing parsing ... simulta- neously with, i.e. in parallel with, other units (words, for instance). The above way of looking upon perception as a set of independently operating processes is, of course, more ... categories of linguistic units, could serve as a base for a syntactic analysis of sentences. We sampled a couple of texts more or less at random and prepared them in such a way that stems of nouns,...
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Báo cáo khoa học: Betaine protects urea-induced denaturation of myosin subfragment-1 pptx
... methylamines. With the aim of comprehending the effects of urea on the catalytic (globu-lar) portion of myosin, this study examines the effects of urea and thecountereffects of betaine on the ... fluorescence emission of S1 in the presence of increasing concentrations of urea (Fig. 2). Theintrinsic fluorescence of S1 is altered in the presence of increasing concentrations of urea (Fig. 2A). ... concentrations of urea indicated in the figure. This is a representative experiment of a series of four independent experiments. (B) Calculated spectral area of S1 in the presence of the concentrations of...
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Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx
... shifts of attention, we seek a formalisation of the information structure of utterances in terms of the new information that is exchanged in the course of the dialogue. The purpose of our ... the erroneous analyses of the initial speech input. 1 The output of a speech recognizer has direct influence on the performance of other mod- ules of the system (dealing with dialogue manage- ... argue in favour of using one type of contextual information, topic information, to maintain robustness of a spoken language sys- tem. Our model deals with the information content of utterances,...
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Báo cáo khoa học: "Lexicon acquisition with a large-coverage unification-based grammar" pot
... and processing with linguistically rich frame-works more specifically, unknown words are aproblem. The following gives an idea of the extent of the problem. In an evaluation of a large- scalegrammar ... quality of the newly acquired lexicalentries, and the efficiency with which parsing with unknown words takes place.We have already discussed where the ambiguityarises with unknown words. One of ... defines for the lexicon a set of special types. These types contain all informationfor a class of words. A lexical entry consists of nothing but the definition of the string and thesemantic...
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