Báo cáo khoa học: "TEXTUAL EXPERTISE IN WORD EXPERTS: AN APPROACH TO TEXT PARSING BASED ON TOPIC/COMMENT MONITORING" potx

... TEXTUAL EXPERTISE IN WORD EXPERTS: AN APPROACH TO TEXT PARSING BASED ON TOPIC/COMMENT MONITORING * Udo Hahn Universitaet Konstanz Informationswissenschaft ProJekt TOPIC Postfach ... topics instead of topic graphs) (HAHN/REIMER 1984). 5. Conclusion In this paper we have argued in favor of a word expert approach to text parsing based on the notions of text cohesion and ... Text Parsing Device This paper outlines an operational representation of the notion of text cohesion and text coherence based on a collection of word experts as central procedural components...

Báo cáo khoa học: "Automatic Editing in a Back-End Speech-to-Text System" doc

... the115archiveddictationsrecognizenewdictationrecognizestoreootranscripts@Atrain//transcripttransformtransformationmodel//targetsGF//tokensformatarchiveddocumentstokenizeOOdraftdocumentmanualcorrectionﬁnaldocument@AstoreOOFigure 1: Illustration of how text transformation is inte-grated into a speech -to- text system.inverse of tokenization and includes conversion ofnumber words to digits, rendition ... punctuation, text seg-mentation, error correction and disﬂuency re-pair. We study two different learning methods,one based on rule induction and one based on a probabilistic sequence model. Quantitativeevaluation ... the correspondingerror region. This is an approximation to the to- tal number of errors corrected by a rule, ignoringrule interactions and non-local changes in the mini-mum edit distance alignment....

Báo cáo khoa học: "A Generative Blog Post Retrieval Model that Uses Query Expansion based on External Collections" potx

... IntroductionOne of the grand challenges in information re-trieval is to bridge the vocabulary gap between auser and her information need on the one hand andthe relevant documents on the other ... is to expandthe query using global collection statistics based, for instance, on a co-occurrence analysis of the en-tire collection. Thesaurus- and dictionary -based expansion as, e.g., in Qiu ... asks for information on the annual worldeconomic forum meeting in Davos in January,something typically related to news, and topic 949(ford bell, +304% AP), which seeks information on Ford Bell,...

Báo cáo khoa học: " Contextual Analysis in Word-for-word MT" pot

... structural context and meaning, and that the barest kind of routine comparison results in a high (although not absolute) degree of accuracy in the determination of meaning. Non-structural ... limited to the imme- diately contiguous word in the sentence (the pre-x or post-x word) . Without attempting to rearrange the word order of the Russian sentence, one can obtain the following ... than potential, behavior. The application of contextual analysis offers great potentialities for semantic clarification. Operating again on the basis of observation, we can construct and...

Báo cáo khoa học: Universal positions in globular proteins From observation to simulation ppt

... close in space, to avoid clustering due to particular initial stateconformation. Quantitatively, this constraint introduces aminimum spatial distance, dmin, according to the separ-ation Delta ... NMR analysis of folding intermediates ofprotein bovine pancreatic trypsine inhibitor [25] revealedloop formation i n early, non-native states, stabilized bynonlocal interactions. Also, an NMR ... integrase,catalytic domaina/b1rro Oncomodulin a 1ivpA 2 (HIV-2) protease b 1lbbA Glutamate receptorligand binding corea/b2sas Calcium-bindingproteina 1ptf Histidine-containingphosphocarriera...

Báo cáo khoa học: "A Method for Word Sense Disambiguation of Unrestricted Text" potx

... sentence context. The words are paired and an attempt is made to disambiguate one word within the context of the other word. This is done by searching on Internet with queries formed using different ... and discourse contexts and is based on the idea of semantic distance between words, and lexical relations. It uses WordNet and it was tested on SemCor. Table 4 presents the accuracy obtained ... micro-context for that concept. This is a rich source of linguistic information that we found useful in determining conceptual density between words. 3.2.1 Algorithm 2 INPUT: semantically...

Báo cáo khoa học: "Recognizing Authority in Dialogue with an Integer Linear Programming Constrained Model" pptx

... model to function as an on- line classiﬁer.We build two segmentation models, one trained on contributions of less than four tokens, and an- other trained on contributions of four or more to- kens, ... “dominant” - statements of fact or opinion, andcommands or instructions - and two that appear lessdominant - questions or requests for information,and narration of an action. We sum these together to ... constrained model.However, the gains found in the contextual modelare somewhat orthogonal to the gains from usingILP constraints, as applying those constraints to the contextual model results in...

Báo cáo khoa học: "The Beneﬁt of Stochastic PP Attachment to a Rule-Based Parser" doc

... bilingual, aligned English-Japanese corpus. They used this information to re-attach PPs in a machine translation system, report-ing an improvement in translation quality whentranslating into ... to it. Also, the syntac-tical conﬁguration in this standard benchmark isnot the predominant one in complete German sen-tences; in fact fewer than 10% of all prepositionsoccur in this context. ... been done. Onereason for this is that many rule-driven syntax an- alyzers provide no obvious way to integrate un-certain, statistical information into their decisions.Another is the traditional...

Báo cáo khoa học: "A Non-negative Matrix Tri-factorization Approach to Sentiment Classiﬁcation with Lexical Prior Knowledge" potx

... rec-ommendations for products and services, guid-ing their own choices and decisions by the opin-ions that other consumers have publically ex-pressed. Gleaning insights by monitoring and an- alyzing ... vectors, onecorresponding to positive words and anothercorresponding to negative words. This yieldsa two-dimensional representation for docu-ments, on which we then perform K-meansclustering.Performance ... byselecting words based on information gain. Itshould, however, be kept in mind that in a tru-ely unsupervised setting document labels are un-available and therefore information gain cannotbe...

... identiﬁcation, wherein a state corre-sponds to a topic, like preparation and frying, andvarious features, which include visual and audioinformation as well as linguistic information (in- structor’s ... necessary to seg-ment them into meaningful segments and annotatethem. Because manual annotation is extremely ex-pensive and timeconsuming, automatic annotationtechnique is required. In the ﬁeld ... focusing on the following linguistic expressions: if a clausehas the utterance-type [action declaration] and an original form of its verb corresponds to a topic, itstopic is set to that topic....

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