Báo cáo khoa hoc:"Bayesian QTL mapping using skewed Student-t distributions" potx
... t i v) − ν+1 2 × k j=1 I [δ min ,δ max ] δ j QTL mapping using skewed Student-t distributions 15 Figure 1. Marginal posterior densities of QTL additive and QTL dominance variance under the χ 2 scenario with a QTL. Figure 2. ... QTL. Figure 2. Marginal posterior densities of QTL additive and QTL dominance variance under the χ 2 scenario without a QTL. QTL...
Ngày tải lên: 09/08/2014, 18:21
... in Perl. TSG subtrees were flat- tened to CFG rules and reconstructed afterward, with identical mappings favoring the most proba- ble rule. For pruning, we binned nonterminals ac- cording to input ... processing tasks that search for a hid- den segmentation. Recently, many groups have had success using Gibbs sampling to address the complexity issue and nonparametric priors to ad- dress the o...
Ngày tải lên: 17/03/2014, 02:20
... k-best words as the an- notations for I. We present results using the top 10, 15, and 20 annotation words. We assess our model’s performance using precision/recall and F1. In our task, precision is ... et al. (2003) output 5), they give some indication of the decrease in performance incurred when using a more challenging dataset. Unlike Corel, our images have greater variety, non-overla...
Ngày tải lên: 31/03/2014, 00:20
Báo cáo khoa học: "Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features" pdf
... pages 265–268, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features Wai-Kit ... count of chains continuing through it. We devise a Bayesian framework to capture such be- havior, using the lexical chain features of start, continuation and end. In the scoring criteri...
Ngày tải lên: 23/03/2014, 17:20
Báo cáo khoa hoc:" Bayesian inference in the semiparametric log normal frailty model using Gibbs sampling" docx
... question of propriety of the posterior distribution using improper prior distributions must be dealt with in a Bayesian analysis using a Laplace integration as well. One way ... in a semiparametric log normal frailty model using Gibbs sampling and adap- tive rejection sampling. It is shown that by using data augmentation, marginal posterior...
Ngày tải lên: 09/08/2014, 18:21
Tài liệu Báo cáo khoa học: "Bayesian Symbol-Refined Tree Substitution Grammars for Syntactic Parsing" pptx
... of the stopping probabilities s by using the development set. We obtained the parsing results with the MAX- RULE-PRODUCT algorithm (Petrov et al., 2006) by using the SR-TSG rules extracted from ... binary productions. We replace lexical words with count ≤ 5 in the training data with one of 50 unknown words using lexical features, following (Petrov et al., 2006). We also split off all th...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Grammar Error Correction Using Pseudo-Error Sentences and Domain Adaptation" pdf
... (similar to lan- guage models). The mapping features are all binary. The focusing phrase and its two surrounding words of the input are regarded as the window. The mapping features are defined as the ... this problem, we permit insertion only immediately after nouns. 2.3 Features In this paper, we use mapping features and link fea- tures. The former measure the correspondence be- tween i...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Identifying Text Polarity Using Random Walks" pptx
... achieves better performance by only using WordNet synonym, hypernym and similar to rela- tions. Adding co-occurrence statistics slightly im- proved performance, while using glosses did not help at ... handful of seeds is used to define the two polarity classes. The method is exper- imentally tested using a manually labeled set of positive and negative words. It out- performs the state of...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "Automatic Headline Generation using Character Cross-Correlation" doc
... “ and he wrote it ” is compared with the word “ﺐﺘﻛ” “ he wrote ” using the EWM method the resulting score will be 0, but when using the CCC method it will be 0.667. The CCC method comes from ... have shown the effectiveness of using charac- ter cross-correlation in choosing the best headline out of nominated sentences from Arabic document. The advantage of using character cross-...
Ngày tải lên: 20/02/2014, 05:20
Tài liệu Báo cáo khoa học: "Generating research websites using summarisation techniques" pptx
... for all papers in publication pages (due to copyright and other issues). The titles are then parsed using the RASP parser (Briscoe and Carroll, 2002) and key- phrases are extracted by pattern matching.
Ngày tải lên: 20/02/2014, 09:20