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Wengang Xie,Xinquan Zhang,Yan Peng 한국초지조사료학회 2009 한국초지조사료학회 학술대회논문집 Vol.2009 No.08
Phylogenetic relationships among 53 accessions of D.glomerata collected from 5 continents were investigated using simple sequence repeat (SSR) markers. 15 SSR primer pairs generated a total of 127 alleles, with an average of 8.5 alleles per locus. The average polymorphic rate (P) was 95.21 %. The genetic similarity (GS) among all accessions ranged from 0.43 to 0.94, with an average of 0.63. Analysis of molecular variance (AMOVA) indicated that larger proportions of variability existed within geographical regions (73.75%). High degree of genetic diversity was observed in Asia (P, 90.55%) and Europe (P, 86.61%) groups. Based on the cluster and principal component analysis, 53 accessions could be divided into five groups (GS=0.64) according to the nearest phylogenetic relationship.
Libin Wang,Xiangjun Li,Xinquan Yan,Song Qing,Yuanlu Chen 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.5
In recent years, with the rapid development of computer network, distributed computing system has a very vast application prospect and potential utility value, which opens up a wealth of opportunities for different applications. With the characteristics of dynamic, heterogeneity, distribution, openness, voluntariness, uncertainty and deception, how to obtain trustworthy computing resource becomes a key issue in large-scale distributed computing research. Therefore, with considering the complex characters of trust in distributed computing environment, firstly, we construct STE architecture to rank and observe trust, which includes STE Broker, Monitoring and STE Catalogue. Secondly, a more comprehensive dynamic trust evaluation model is constructed based on Bayesian network. Finally, we apply simulation platform to imitate trust evolution process and collect related data, and the proposed method has been serviced in complex simulation system, and the results have indicated that the model is unbiased and effective. The first part is the research status and related problems. The second part is the establishment of an evaluation model. The last part is the experimental analysis and conclusion.