Báo cáo khoa học: "Learning Correlations between Linguistic Indicators and Semantic Constraints: Reuse of Context-Dependent Descriptions of Entities" doc

... Learning Correlations between Linguistic Indicators and Semantic Constraints: Reuse of Context-Dependent Descriptions of Entities Dragomir R. Radev Department of Computer Science ... the auto- matically generated text and the semantics of the description itself. We present our work in the framework of the more general concept of reuse of linguistic structures that are automati- ... sentence or document). We use Rip- per to learn rules that correlate context and other linguistic indicators with the semantics of the description being extracted and subse- quently reused. It...

Tài liệu Báo cáo khoa học: Paradoxical interactions between modiﬁers and elastase-2 Patricia Schenker and Antonio Baici docx

... inhibition and reactivation by the con-comitant action of two modifiers I and X. Plots of the reaction rateas a function of the concentration (mM) of two modifiers. Thekinetic parameters and coefficients ... sites of action of theenzyme. This event is likely to occur at the interface between the extracellular matrix and enzymes engagedin the turnover of proteoglycans. We measured theeffects of sulfated ... measurement of Fig. 6. Inhibition of elastase-2 by H-TNVV-OMe (amino acids 60–63 of eglin c) with and without PPS. The elastase-2 concentration in allassays was 6.9 nM of titrated active sites and...

Báo cáo khoa học: "Learning to Translate with Source and Target Syntax" pot

... substfX→Ycounts the number of substitutionswhere the label of the source side of the sub-stitution site is X and the root label of thesource side of the rule is Y.• matche, ¬matche, and substeX→Ydo ... bitexts, and one on two billion words of English. These weresmoothed using modiﬁed Kneser-Ney (Chen and Goodman, 1998) and stored using randomized datastructures similar to those of Talbot and Brants(2008).The ... one.• matchfcounts the number of substitutionswhere the label of the source side of the sub-stitution site matches the root label of thesource side of the rule, and ¬matchfcountsthose where...

Báo cáo khoa học: "Learning to predict pitch accents and prosodic boundaries in Dutch" ppt

... ±1.7∗Table 2: Precision, recall, and F-scores on accent, break and combined prediction by means of CART and MBL, forbaselines and for average results over 10 folds of the IterativeDeepening experiment; ... 4: Precision, recall, and F-scores on accent and breakprediction for our held-out corpus and two external corpora of news and email texts, using the best settings for CART and MBL as determined ... placement(Hirschberg, 1993; Black, 1995; Pan and McKe-own, 1999; Pan and Hirschberg, 2000; Marsi et al.,2002) and in prosodic boundary placement (Wang and Hirschberg, 1997; Taylor and Black, 1998). Thecommonly...

Báo cáo khoa học: The relationship between thermal stability and pH optimum studied with wild-type and mutant Trichoderma reesei cellobiohydrolase Cel7A ppt

... alkaline stability of the wild-type Cel7A and mutantprotein.Materials and methodsProtein production and puriﬁcationThe puriﬁcation of wild-type Cel7A enzyme and the E217Q and E223S/A224H/L225V/T226A/D262G ... values (Fig. 3B and D), indicative of the release of the substrate. Compari-son of the Cel7A unfolding with and without the substrateeither at pH 8.0 (Fig. 3A and B), or pH 5 (Fig. 3C and D)shows ... pH 5.8 (d) and pH 8.0(s), and the pH mutant at pH 5.8 (j) and pH 8.0 (h) were recordedfrom 240 to 190 nm using a 1-mm path length cell and a bandwidth of 1nm.Ó FEBS 2003 Stability of cellobiohydrolase...

Báo cáo khoa học: Snail associates with EGR-1 and SP-1 to upregulate transcriptional activation of p15INK4b doc

... expres-sion of EGR-1, Snail and SP-1 in HepG2. HepG2 cells were untreated(con) or treated with 50 nM TPA for 0.5, 1, 2, 4 and 8 h (A and C).Real-time RT/PCR (A) and western blot (C) of EGR-1, SP-1 and ... immunopreciptation and western blotting areindicated on the right and left of the gel, respectively. Positions of EGR-1 and nonspeciﬁc bands are indicated by an arrow. Westernblots of ERK were performed ... respectively, than that of the pGL3vector. After treatment of HepG2 cells with 50 nmTPA for 24 h, the promoter activity of p15–profull,p15–pro461 and p15–pro228 increased by 3.8-, 3.7- and 4.6-fold,...

Tài liệu Báo cáo khoa học: "Learning Hierarchical Translation Structure with Linguistic Annotations" ppt

... joint generation of the source and targetsentence taking advantage of these phrase-pair spanlabels.For this work we employ the linguistically mo-tivated labels of (Zollmann and Venugopal, 2006),albeit ... non-terminal set and related unary and binary rules. The result is a gram-mar which can both capture a rich array of trans-lation phenomena based on linguistic and lexicalgrounds and explicitly ... inputsentence’s linguistic annotation.Per Non-Terminal Pruning The decoder uses acombination of beam and cube-pruning (Huang and Chiang, 2007). As our grammar uses non-terminalsin the hundreds of thousands,...

Báo cáo khoa học: "Learning to “Read Between the Lines” using Bayesian Logic Programs" pptx

... Horn-clause proofs of the query are con-structed and used to build a Bayes net for answeringthe query. The probability of a joint assignment of truth values to the ﬁnal set of ground propositions ... Meeting of the Association for Computational Linguistics, pages 349–358,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsLearning to “Read Between the ... efﬁcacy of our ap-proach.1 IntroductionThe task of information extraction (IE) involves au-tomatic extraction of typed entities and relationsfrom unstructured text. IE systems (Cowie and Lehnert,...

Tài liệu Báo cáo khoa học: Loose interaction between glyceraldehyde-3-phosphate dehydrogenase and phosphoglycerate kinase revealed by ﬂuorescence resonance energy transfer–ﬂuorescence lifetime imaging microscopy in living cells doc

... tetramericstructure of GAPDH is schematically shownon the right. The distances between the N-terminal amino acids of subunits O and P,subunits O and Q and subunits O and R areshown (B–D). FLIM analysis of ... Subcellular localization and enzymatic activities of GAPDH–citrine and PGK–cerulean. (A) Expression of GAPDH–citrine and PGK–cerulean. Localization of endogenous GAPDH and PGK inHeLa cells was ... the case of cellsamples without coexpression of GAPDH) or from the cytoplasmic area (in the case of cell samples with coexpression of GAPDH) of cells, and are expressed as mean ± standard deviation....

Tài liệu Báo cáo khoa học: "Learning to Translate with Multiple Objectives" doc

... The Prague Bulletin of Mathe-matical Linguistics.10Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 1–10,Jeju, Republic of Korea, 8-14 July 2012.c2012 ... # of features, and metrics used. Our MT models are trainedwith standard phrase-based Moses software (Koehn and others, 2007), with IBM M4 alignments, 4gram SRILM,lexical ordering for PubMed and ... models. (Eisner and Daum´e III, 2011) trades off speed and accuracy of a parser with reinforcement learning. None of thetechniques in NLP use Pareto concepts, however.6 Opportunities and LimitationsWe...

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