Báo cáo khoa học: "Why Initialization Matters for IBM Model 1: Multiple Optima and Non-Strict Convexity" pptx
Báo cáo khoa học: "Why Initialization Matters for IBM Model 1: Multiple Optima and Non-Strict Convexity" pptx
... Association for Computational Linguistics:shortpapers, pages 461–466,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsWhy Initialization Matters for IBM Model 1: Multiple ... define convexity and strict con-vexity of functions following (Boyd and Vanden-berghe, 2004). In this section we detail the gener-ative model for Model 1.2.1 IBM Model 1 IBM Model 1 (Brown ... onthe performance achieved by IBM- 1, and the perfor-mance achieved by HMM initialized from the IBM- 1 parameters. For IBM Model 1 training, we eitherperform only 5 EM iterations (the standard...
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Tài liệu Báo cáo khoa học: "A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics" pptx
... stop-words (SW) and a function for extracting the stem of a given word (ST). Suppose we have a given NLP application for which we want to evaluate the candidate answer set Candidates for some input ... proposed candidate answers, this formula is a precision-oriented formula, penalizing verbose candidates. This precision score, however, can be made artificially higher when proposing shorter and ... stop-words (SW) and a function for extracting the stem of a given word (ST) as part of the definition. As before, suppose we have a given NLP application for which we want to evaluate the candidate...
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Báo cáo khoa học: Reconstruction ofde novopathway for synthesis of UDP-glucuronic acid and UDP-xylose from intrinsic UDP-glucose inSaccharomyces cerevisiae pptx
... NewEnergy and Industrial Technology DevelopmentOrganization of Japan (NEDO). We thank Dr Shige-yasu Ito and Minako Takashiba for ESI-MS analysis,Toshihiko Kitajima for protein purification, and Dr ... and chitin, and there are no synthetic or breakdown pathways for UDP-GlcA and UDP-Xyl. In the budding yeast Sac-charomyces cerevisiae, UDP-Glc, which is a substrate ofb1,3-glucan synthase and ... bacterialstrain Streptococcus pyogenes and the pathogenic yeaststrain Cryptococcus neoformans form dimers [25,26]. For plants, however, the active complex for UGD hasnot previously been defined....
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Báo cáo khoa học: "An Automatic Method for Summary Evaluation Using Multiple Evaluation Results by a Manual Method" pptx
... computer-produced summaries. 4.5 Experimental Results and Discussion Exp -1: An experiment for Points 2 and 3 based on Kazawa’s method To address Points 2 and 3, we evaluated summaries by the method ... and compared these measures by Gap. The experimental results for summarization ratios of 40% and 20% are shown in Tables 1 and 2, respectively. Tables show the Gap values of 12 measures for ... b for all the subscores calculated for each pooled summary, xij. A subscore was obtained by multiplying a parameter wj, by the evaluation score yij, and the similarity between x and...
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Báo cáo khoa học: A novel pathway for sequential transformation of 7-dehydrocholesterol and expression of the P450scc system in mammalian skin pptx
... Hospital Oakland Research Institute,Oakland, CA, USA for performing G C/MS an alyses, and Pr ofessorWalter Miller, U niversity o f C alifornia, San Francisco for the gift ofN-62 StAR protein and StAR ... 20 and 1.25 U Taqpolymerase (Promega). T he mixture w as heated to 94 °C for 2.5 min, and then amplified for 30 cycles as specified:94 °C for 30 s (denaturation), 55 °C for 20 s (annealing), and ... AbC-1 (lane 3) and mouse S-91(lane 4) melanom as; placenta (lane 5). Theamount of protein loaded on gels was 5 and 1 lg for placenta (lanes 1 and 2, respectively) and 20 lg for the skin samples.Ó...
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Báo cáo khoa học: "Leveraging Structural Relations for Fluent Compressions at Multiple Compression Rates" doc
... Ziff-Davis (ZD, henceforth) Corpus by Knight and Marcu (2000), general news articles by Clarke and Lapata (CL, henceforth) corpus (2007) and biomedical ar-ticles (Lin and Wilbur, 2007). To ... noisy channel model, the other using a decision-based model. The performances of the two models were com-parable though their experiments suggested that the noisy channel model degraded more ... sentence, and is defined by the dot product between a high dimensional feature representation and a corresponding weight vector (for details, refer to McDonald, 2006). The equa-tions for decoding...
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Tài liệu Báo cáo khoa học: "Extending the Entity-based Coherence Model with Multiple Ranks" pot
... and our model outperformstheirs. And for dataset Accidents, our model consistently outperforms the baseline model by alarge margin (with significance test at p < .01).6.1.4 Conclusions for ... 5.1.1 for details). Baselines are accuraciestrained using the standard entity-based coherence model 3.Our model outperforms the standard entity-based model on both permutation sets for bothdatasets. ... permutationsgenerated from our biased model) , our model sperformance significantly exceeds B&L’s4 for allthree metrics, especially as their model s perfor-mance drops for dataset Accidents.From...
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Báo cáo khoa học: A new bright green-emitting fluorescent protein – engineered monomeric and dimeric forms pptx
... mind, we aligned the sequences ofDsRed and VFP and created a homology model for VFP.It is known that DsRed forms a strong tetramer,both in solution and in the crystal structure [17,18].An ... Holley and JamieSchwendinger-Schreck of the MCDB at Yale Univer-sity for performing the RNA microinjection assay inzebrafish. We also thank the members of the Reganlaboratory for comments and ... its tightdimer formation. Table 1 summarizes these data,alongside the measured results for EGFP and Venus for comparison. Venus is a variant of yellow FP witha fast maturation and high brightness...
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Báo cáo khoa học: Tetracysteine-tagged prion protein allows discrimination between the native and converted forms pptx
... Oven and R. Rost for excellent technical assistance. We are grateful toA. Aguzzi for the plasmids for mPrP expression,S. A. Priola and B. Chesebro for providing the w2 and PA317 cells and the ... monomeric and fibril-ized form of TC-tagged PrP, and showed that TC-tagged mPrP could bedetected on transfected cells, thereby expanding the potential use of thismethod for the detection and study ... conformation, did not form fibrils within4 days (Fig. 4A). mPrP, TCN and TCC changed intothe b-structured conformation, whereas TCL remainedin the a-monomeric conformation (Fig. 4B). TCN and TCC...
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Báo cáo khoa học: Small-molecule modulators of zymogen activation in the fibrinolytic and coagulation systems pptx
... pri-marily responsible for preventing blood leakage and secondarily for tissue repair and wound healing.Interactions between a variety of enzymes and nonen-zyme components account for the finely regulated ... change)ModulatorPANPK2K1K5K4K3K50K2K3K1K78K4K1PK5R561V562PlasminPAK2K3E1PANPK3K2K1K5K4K50K5Fig. 4. A model of the action of the plasminogen modulator stapla-bin ⁄ SMTP. Staplabin and SMTP alter plasminogen conformation and enhance both PA-dependent plasminogen activation and bind-ing ... domain,resulting in conformational activation of the substratebinding site and oxyanion hole required for proteolyticactivity) [5–8].Our laboratory has been searching for small-mole-cule natural...
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