Báo cáo khoa học: "Automatic Generation of Domain Models for Call Centers from Noisy Transcriptions" pdf

... transcript of a help desk dialogminutes. For 125 of these calls, call topics weremanually assigned.4 Generation of Domain ModelFig 2 shows the steps for generating a domain model in the call center ... July 2006.c2006 Association for Computational LinguisticsAutomatic Generation of Domain Models for Call Centers from Noisy TranscriptionsShourya Roy and L Venkata SubramaniamIBM ResearchIndia ... actions and call statistics. Weshow how such a domain model can be used for topic identiﬁcation of unseen calls. We also pro-pose applications for aiding agents while handlingcalls and for agent...

Báo cáo khoa học: "Automatic Generation of Story Highlights" pptx

... the performance of sentencecompression systems which falls short of attaininggrammaticality levels of human output. For ex-ample, Clarke and Lapata (2008) evaluate a range of state -of- the-art ... 2010.c2010 Association for Computational LinguisticsAutomatic Generation of Story HighlightsKristian Woodsend and Mirella LapataSchool of Informatics, University of EdinburghEdinburgh EH8 ... document.Without a great deal of linguistic analysis, itis possible to create summaries for a wide range of documents. Unfortunately, extracts are of- ten documents of low readability and text...

Báo cáo khoa học: "Automatic Creation of Domain Templates" doc

... anno-tators for the same domain. For some of the ques-tions we had to make a judgement call on whetherit is a match or not. For example, the followingquestion created by one of the annotators for ... results. For the questions common for all the annota-tors we capture about 70% of the answers for three out of four domains. After studying the re-sults we noticed that for the earthquake domain some ... instances of terrorist attacks. The number of the documentscorresponding to the instances varies greatly (from two documents for one of the earthquakes up to156 documents for one of the terrorist...

Báo cáo khoa học: "Automatic Generation of Information-seeking Questions Using Concept Clusters" ppt

... QAsystems return a list of answers for most questions.The answers for one question usually belong todifferent topics. In order to satisfy the informationneeds of the user, information-seeking dialogueshould ... advantage of the inherent grouping of the answers.Several methods have been investigated for gen-erating topics for questions in information-seekingdialogue. Hori et al. (2003) proposed a method for ... are made tousers in the form of predictive question and answerpairs (known as QUABs) which are either gener-ated automatically from the set of documents re-turned for a query (using techniques...

Báo cáo khoa học: "Automatic construction of a hypernym-labeled noun hierarchy from text" docx

... To compare the similarity of two groups of nouns, we define similarity as the average of the cosines between each pair of nouns made up of one noun from each of the two groups. sim(A,B) ... vectors for nouns 120 in group A, w ranges over the vectors for group B, and size(x) represents the number of nouns which are descendants of node x. We want to create a tree of all of the ... lected at random. For each of these nodes, we randomly selected 20 of the nouns from the cluster under that node. Three human judges were asked to evaluate for each noun and each of the (up to)...

Báo cáo khoa học: "Automatic Construction of Frame Representations for Spont aneous Speech in Unrestricted Domains" docx

... not part of the WordNet frames, we remove these from the parsed chunk sequence, before a mapping attempt is being made. 7 In our example, WordNet yields 14 frames for 6 senses of the main ... which provide a richer set of semantic role informa- tion of verbal heads, l° It is interesting to see that even at this early stage of our project the results of this shallow analysis are ... defaults for these types of subcat frames. 5 Future Work It is obvious from our evaluation, that most core components, specifically the mapper need to be im- proved and refined. As for the...

Báo cáo khoa học: "Automatic Labelling of Topic Models" doc

... two domains.Overall though, the results are very encouraging,and point to the plausibility of using labelled topic models from independent domains to learn the besttopic labels for a new domain. Returning ... collections constructed from four distinctdomains/genres, to test the domain/ genre indepen-dence of our method:BLOGS : 120,000 blog articles dated from Augustto October 2008 from the Spinn3r blog ... pick of the features for candidate ranking.5.2 Results for the Supervised Method For the supervised model, we present both in- domain results based on 10-fold cross-validation,and cross-domain...

Báo cáo khoa học: "Effective Measures of Domain Similarity for Parsing" pdf

... collection of articles from unknown domains) and a test article, isthere a way to automatically select data that isrelevant for the new domain? If so:• Which similarity measure is good for parsing?• ... Association for Computational LinguisticsEffective Measures of Domain Similarity for ParsingBarbara PlankUniversity of GroningenThe Netherlandsb.plank@rug.nlGertjan van NoordUniversity of GroningenThe ... own domain (McCloskyet al., 2010). It is not straightforward to determinewhich data or model (in case we have several source domain models) will perform best on a new (un-known) target domain. ...

Báo cáo khoa học: "Automatic Part-of-Speech Tagging for Bengali: An Approach for Morphologically Rich Languages in a Poor Resource Scenario" pdf

... choice of tags for a given word, one can also use suffix information (i.e., the sequence of last few charac-ters of a word) to further improve the models. For HMM models, suffix information ... used during smoothing of emission probabilities, whereas for ME models, suffix information is used as another type of feature. We shall denote the models with suffix information with a ‘+suf’ ... suffixes of length ≤ 4 gives the best performance for the ME model. It is interesting to note that the inclusion of prefix and suffix for all words gives better result instead of using only for...

Tài liệu Báo cáo khoa học: Catalytic mechanism of SGAP, a double-zinc aminopeptidase from Streptomyces griseus pdf

... inverse temperature for the hydro-lysis of Leu-pNA. The enthalpy of ionization, DHion¼ 30 kJÆmol)1,was calculated from the slope of the line.ABFig. 4. Inhibition of SGAP by ﬂuoride. ... thepresence of D2O in solution reduced the catalyticABFig. 5. Inhibition of SGAP by phosphate ion. (A) A representativeplot of a Lineweaver–Burk plot for determination of the mode of inhibition ... ﬁrst stage of thecatalytic reaction [26,27]. To verify that the nucleophileis generated from the zinc-bound water molecule, wedetermined the pH dependence of kcat for the hydroly-sis of leucine-para-nitroanilide...

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