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. c 2011 Association for Computational Linguistics Why 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...

Ngày tải lên: 23/03/2014, 16:20

... 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 pro...

Ngày tải lên: 20/02/2014, 16:20

... New Energy and Industrial Technology Development Organization 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 of b1,3...

Ngày tải lên: 07/03/2014, 12:20

... 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...

Ngày tải lên: 17/03/2014, 04:20

... Hospital Oakland Research Institute, Oakland, CA, USA for performing G C/MS an alyses, and Pr ofessor Walter Miller, U niversity o f C alifornia, San Francisco for the gift of N-62 StAR protein and StAR ... 20 and 1.25 U Taq polymerase (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...

Ngày tải lên: 23/03/2014, 13:20

... 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 degrad...

Ngày tải lên: 31/03/2014, 00:20

... and our model outperforms theirs. And for dataset Accidents, our model consistently outperforms the baseline model by a large margin (with significance test at p < .01). 6.1.4 Conclusions for ... 5.1.1 for details). Baselines are accuracies trained using the standard entity-based coherence model 3 . Our model outperforms the standard entity- based model on both permuta...

Ngày tải lên: 22/02/2014, 02:20

... mind, we aligned the sequences of DsRed 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 Jamie Schwendinger-Schreck of the MCDB at Yale Univer- sity for performing the RNA microinjection assay in zebrafish. We also thank the members of the Regan laboratory for c...

Ngày tải lên: 06/03/2014, 11:20

... Oven and R. Rost for excellent technical assistance. We are grateful to A. 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 be detected on transfected cells, thereby expanding the potential use of this method for...

Ngày tải lên: 06/03/2014, 11:20

... 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) Modulator PAN P K2 K1 K5 K4 K3 K 50 K2 K3 K1 K 78 K4 K1 P K5 R 561 V 562 Plasmin PA K2 K3 E 1 PAN P K3 K2 K1 K5 K4 K 50 K5 Fig. 4. A model of the action of the pl...

Ngày tải lên: 06/03/2014, 22:21