Báo cáo khoa học: "A Risk Minimization Framework for Extractive Speech Summarization" doc

... Association for Computational Linguistics, pages 79–87,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational LinguisticsA Risk Minimization Framework for Extractive Speech Summarization ... the lexical infor-mation without considering other sources of in-formation cues like discourse features, acoustic features, and so forth. 3 A risk minimization framework for extractive summarization ... methods compared in this paper, especially for the SD case. 7 Conclusions and future work We have proposed a risk minimization frame-work for extractive speech summarization, which enjoys several...

Báo cáo khoa học: "A Model-Theoretic Framework for Theories of Syntax" pdf

... tentially provide a uniform formalization, allowing disparate theories to be compared on the basis of those properties. We dis- cuss L2,p, a monadic second-order logical framework for such an approach ... characterized as constrain~ based the formalism (or formal framework) provides a class of structures and a means of precisely stating constraints on their form, the linguistic theory is then ... with or- dinary logical operations. (See, for instance: 1This notion of constraint-based includes not only the obvious formalisms, but the formal framework of GB as well. 10 Johnson (1989),...

Báo cáo khoa học: "A Multi-resolution Framework for Information Extraction from Free Text" pptx

... 592–599,Prague, Czech Republic, June 2007.c2007 Association for Computational LinguisticsA Multi-resolution Framework for Information Extraction from Free TextMstislav Maslennikov and Tat-Seng ... dependency rela-tions in a multi-resolution framework for IE. The 592 framework enables us to connect entities in differ-ent clauses and thus improve the performance on long-distance dependency ... evaluation methodology for the candidate templates. While the performance of the MUC4 domain is measured for each slot indi-vidually; the MUC6 task measures the perform-ance on the extracted...

Báo cáo khoa học: "A Probabilistic Modeling Framework for Lexical Entailment" potx

... Association for Computational Linguistics:shortpapers, pages 558–563,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsA Probabilistic Modeling Framework for Lexical ... (e.g.parsing) aiming at high performance.Nevertheless, simple entailment methods, per-forming at the lexical level, provide strong baselineswhich most systems did not outperform (Mirkinet al., 2009; ... parameters while the RTE-training entailment annotation is given for thesentence-level. Therefore, we use EM-based esti-mation for the hidden parameters (Dempster et al.,1977). In the E step...

Báo cáo khoa học: "A Metric-based Framework for Automatic Taxonomy Induction" potx

... metric-based framework for the task of automatic taxonomy induction. The framework incrementally clus-ters terms based on ontology metric, a score indicating semantic distance; and transforms the ... of a tax-onomy. For a taxonomy T(C,R), we define its information function as: ∑∈<=CycxcyxyxccdTInfo,,),()( (1) Similarly, we define the information function for an abstraction ... system ME consistently pro-duces the best F1-measure for all three tasks. The performance of the systems for ODP/is-a is worse than that for WordNet/is-a. This may be because there is more...

Báo cáo khoa học: "A Knowledge-free Method for Capitalized Word Disambiguation" doc

... "Unfortunately, Mason and Partners lost their court case" the name of the company does not involve the word "unfortunately", but ten capitalized but in fact can stand for an ... experiments we used a corpus of 100 documents (64,337 words) from The New York Times 1996. This corpus was balanced to represent different domains and was used for the formal test run of the 7th ... when capitalized words do not act as proper names. For this purpose we developed another strategy which also uses information from the entire document. We call this strategy Single Word Assignment,...

Báo cáo khoa học: "A Self-Learning Agent for Exchanging Pop Trivia" doc

... in tex-tual and speech forms, using body gestures, fa-cial expressions, and ﬁnally via multimedia out-put to an embedded screen. We currently employtemplate-based generators for producing both ... the users.The agent is built on top of informationextraction, web mining, question answer-ing and dialogue system technologies, andusers can freely formulate their questionswithin the gossip ... Miner fetches relevant concepts and theirrelations by means of two technologies: a) infor-mation wrapping for exaction of personal proﬁlesfrom structured and semi-structured web content,and...

Báo cáo khoa học: "A Dynamic Bayesian Framework to Model Context and Memory in Edit Distance Learning: An Application to Pronunciation Classiﬁcation" ppt

... capital letters for ran-dom variables and lowercase letters for instantiations of randomvariables.P (Zi=zi, sm1, tn1| θ), 1<i<, where zi=z(s)i, z(t)i,in the formQ(zi) ... formQ(zi) ∝fins(tbi) for z(s)i= ; z(t)i= tbifdel(sai) for z(s)i= sai; z(t)i= fsub(sai, tbi) for (z(s)i, z(t)i) = (sai, tbi)0 ... pronunciations and asked to ﬁnd themost likely corresponding words. Formally, for eachFigure 5: Length unrolling model.surface form, tn1, we need to ﬁnd the set of wordsˆW s.t.ˆW = argmaxwP...

Tài liệu Báo cáo khoa học: A systems biology approach for the analysis of carbohydrate dynamics during acclimation to low temperature in Arabidopsis thaliana doc

... experiment 2 for hexoses (black) and sucrose (grey). Doc. S1a. Model structure of C24. Doc. S1b. sbml format of model structure of C24. Doc. S2a. Model structure of Rsch. Doc. S2b. sbml format of ... patternsearch method for bound constrained gloabal optimiza-tion. J Glob Optim 39 , 197–219.34 Schmidt H & Jirstrand M (2006) Systems Biology Tool-box for MATLAB: a computational platform for research ... electrode. For starch extraction, pellets for ethanol extraction weresolubilized by heating them to 95 °Cin0.5m NaOH for 30 min. After acidiﬁcation with 1 m CH3COOH, thesuspension was digested for...

Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc

... target for prey capture. However, the geneticinformation for ÔunderdevelopedÕ a-conotoxins targetingother nAChR subtypes might still be present in the snailsand could supply novel ligands for ... indicating that at least two othersubunits are required for effective channel formation. InCorrespondence to A. Nicke, Max Planck-Institute for Brain Research,Deutschordenstr. 46, D-60528 Frankfurt, ... selectivity for different nAChRsubtypes, with all known a3/5-conotoxins being selective for the muscle-type nAChR, while the only publisheda4/6-conotoxin and most a4/7-conotoxins are selective for neuronal...

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