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2008 The 9th International Conference for Young Computer Scientists最新文献

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On the Linear Structures of Cryptographic Rotation Symmetric Boolean Functions 关于密码旋转对称布尔函数的线性结构
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.479
E. Elsheh
{"title":"On the Linear Structures of Cryptographic Rotation Symmetric Boolean Functions","authors":"E. Elsheh","doi":"10.1109/ICYCS.2008.479","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.479","url":null,"abstract":"Due to its richness in terms of cryptographically properties along with its small search space 22n/n comparable to the whole space 22n, the class of rotation symmetric Boolean functions (RSBFs) has become the main focus on searching for a Boolean function with good properties. Additionally, there are some other characteristics these functions might have which considered failure and should be avoided. For instance, the linear structure in Boolean function other than all-zero is regarded as a weakness and the function posses this characteristic is considered fragile and should be excluded from using in the cryptographic algorithms. Therefore, in this paper we examine the existence of linear structures in RSBFs, and then we categorize them based on the number of input variables and their algebraic degree.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114818354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Analyzing the Self-similarity of the TCP Bulk Flow TCP批量流的自相似性分析
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.29
Xiangdong Liu, Junxing Zhang, Jinhai Zhang, Xinqin He
{"title":"Analyzing the Self-similarity of the TCP Bulk Flow","authors":"Xiangdong Liu, Junxing Zhang, Jinhai Zhang, Xinqin He","doi":"10.1109/ICYCS.2008.29","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.29","url":null,"abstract":"This paper analyzed the actual TCP's bulk flow in a simple topological network with different parameters statistically, studied the self-similarity of their stable flow. The results indicated that the TCP bulk flow in 10BaseT networks is quite stable, does not present the burst and the self-similarity. But in 100BaseTx networks, the TCP bulk flow presents the burst and the self-similarity obviously, its self-similarity degree closely correlates to the communications mode and the buffer size of the network interface cards. Under the similar condition, the self-similarity of the full duplex TCP bulk flows is more significant than its of the half duplex TCP bulk flows, meanwhile, the less buffer the network interface card has, the more significant self-similarity and burst the TCP bulk traffic presents.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129993390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental and Simulation Investigation in Fractal Dimension of Supersonic Combustion 超声速燃烧分形维数的实验与仿真研究
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.245
Haiyan Wu, Hong-bo Wang, Mingbo Sun, Jin Zhou
{"title":"Experimental and Simulation Investigation in Fractal Dimension of Supersonic Combustion","authors":"Haiyan Wu, Hong-bo Wang, Mingbo Sun, Jin Zhou","doi":"10.1109/ICYCS.2008.245","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.245","url":null,"abstract":"To investigate the relationship among the fractal dimension, the combustion degree, and the stability of flame in supersonic combustion, photos of OHldr radicals spontaneity radiation were taken and the large Eddy simulation was used to calculate supersonic hydrogen combustion. As cavity is the flame holder in strongly turbulent supersonic combustion, different structural cavities were studied via experiments and simulations. Then nonlinear method of fractal was used to analyze the flow structure in cavity. The calculation results are consistent with experiments: high fractal dimension of flame goes along with mixing fuel sufficiently, combusting drastically, and holding flame easily.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129535643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Complex Symbolic Dynamics of Bernoulli Shift Cellular Automata Rule 伯努利移位元胞自动机规则的复杂符号动力学
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.192
Lin Chen, F. Chen, Fangfang Chen, Weifeng Jin
{"title":"Complex Symbolic Dynamics of Bernoulli Shift Cellular Automata Rule","authors":"Lin Chen, F. Chen, Fangfang Chen, Weifeng Jin","doi":"10.1109/ICYCS.2008.192","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.192","url":null,"abstract":"In this paper, the complex dynamical behaviors of one dimensional cellular automata rule 11, which is a Bernoulli sigmatau-shift rule, are investigated from the viewpoint of symbolic dynamics. Based on the dynamical properties of subshift of finite type and the relationship between subshift and quasi-subshift, it is strictly proved that rule 11 is topologically mixing on its two subsystems. At the same time, the topological entropies of rule 11 are calculated on the two subsystems, respectively. Conclusively, rule 11 holds rich and complicated dynamical behaviors. For example, it is chaotic in the sense of Li-Yorke and Devaney.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120930518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Learning from Practicing: Adaptation of NIIT(India) Model for Software Developer Training to Chinese Higher Vocational and Technical Colleges 从实践中学习:NIIT(印度)软件开发人员培训模式在中国高职院校的适应
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.63
Luo Li, Shaogen Wu, Jia Luo
{"title":"Learning from Practicing: Adaptation of NIIT(India) Model for Software Developer Training to Chinese Higher Vocational and Technical Colleges","authors":"Luo Li, Shaogen Wu, Jia Luo","doi":"10.1109/ICYCS.2008.63","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.63","url":null,"abstract":"The current mechanism of software workforce training in China is ill-conditioned, thus barely meeting the business needs. One of the key causes for the extraordinary growth of India's software industry is that India has developed an effective method of training advanced and functional software workforce and turned it into a globally recognized model of such training. NIIT-National Institute of Information Technology-is one of the examples in India's software workforce training model. This article is based on over 6 years' experience of \"sit-in\" observation and corporation with NIIT. It starts with analysis of NIIT course structure and software development plan, comparing it with the course design and training method in our own vocational education system. It presents a brand new teaching-learning model that is project centered and case driven.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129924316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the Way of Training High-Level Software Talents with Global Reach in China 探索中国培养具有全球影响力的高层次软件人才之路
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.32
Huifang Deng
{"title":"Exploring the Way of Training High-Level Software Talents with Global Reach in China","authors":"Huifang Deng","doi":"10.1109/ICYCS.2008.32","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.32","url":null,"abstract":"In this paper, the author first gave a thoughtful analysis of the necessity of why there is an urgent need for China to quickly train the internationally qualified software talents and then reviewed the current situation of China software talent market and software industry. By categorizing the software professionals on the sector, a definition of high-level software talents with global suitability (or global reach capability, or adaptivity) is described and the characteristic of such talents is discussed. The objective and subjective conditions for such talents to grow out are pointed out. Finally the systematic way of how to effectively train such talents is suggested. Hopefully, the suggestions made in this paper will be of general interest to the policy makers of the government, IT entities and educational (training) institutions.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125350185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Timed CSP for Safety Specification of Hybrid System 混合动力系统安全规范的定时CSP
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.164
Jinzhao Wu, Shihan Yang
{"title":"Timed CSP for Safety Specification of Hybrid System","authors":"Jinzhao Wu, Shihan Yang","doi":"10.1109/ICYCS.2008.164","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.164","url":null,"abstract":"We propose a process algebra TCSPhs obtained by extending process algebra timed CSP (timed communicating sequential processes [10, 11]) with a new propositional signal operator, inspired by [2]. The proposed process algebra makes it possible to deal well with behaviors and security features of hybrid system. Motivation is twofold. On the one hand we offer structural operational semantics of the proposed process algebra language. On the other hand we concentrate on investigating safety specification aspects of hybrid system within that language.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126588939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating on the Curriculum Visions of Computing Disciplines 计算机学科的课程愿景研究
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.143
Long Hong, Yanli Chen, Ningning Zhou, Fangwu Yao
{"title":"Investigating on the Curriculum Visions of Computing Disciplines","authors":"Long Hong, Yanli Chen, Ningning Zhou, Fangwu Yao","doi":"10.1109/ICYCS.2008.143","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.143","url":null,"abstract":"Both of main characteristics of current computing education are that firstly the quantity of institutions is sharp increase and secondly some graduates of undergraduate computer degree are powerless to their specialty, which make us realize that computing education is faced with a formidable challenge and a rare opportunity. Based on aforementioned features this paper investigated on some issues existed in computing education. Computer science is really artificial science, which have made the computing discipline possess man-made features. If the traits affect among the setting of the curriculum, course content, even academic staff and so on, it will enhance the uncertainty of students' learning motivation, learning interest and learning effects. The states, such as the society's demands on computing professionals, the gist for running school and the growing desires of students, were analyzed. The relation diagram given by this paper illustrated that education institutions should continually meet the needs of growing desires of students, so satisfied the society's demands naturally. Based on aforesaid analysis, we proposed curriculum visions of computing discipline that is the harmonious relationship of threefold that are students' growing desires, society's demands on qualified computing and institution's curricula system. In this environment, students might sufficiently enjoy the joys of learning; they could feel human civilization; they might enable them to develop a sense of self worth and elaborate their potential. Additionally, we made abecedarian tentative ideas how we go forward the curriculum visions, and looked ahead to the curriculum visions of higher education.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132953839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A New Evaluation Method Based on Measuring of Medium Truth Scale 一种基于中真值测量的评价新方法
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.135
Ningning Zhou, Zhengxu Zhao, Yulong Deng
{"title":"A New Evaluation Method Based on Measuring of Medium Truth Scale","authors":"Ningning Zhou, Zhengxu Zhao, Yulong Deng","doi":"10.1109/ICYCS.2008.135","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.135","url":null,"abstract":"Evaluation is the basis of making decision scientifically in management work of science research and real world. This paper introduces medium mathematics system which is employed to process fuzzy information for evaluation. Based on measuring of medium truth scale, this paper presents a new evaluation method which uses logic truth value to judge individuals roundly. It uses distance ratio function to make the evaluation of one-item and uses sum function of weighting distance ratio to make the comprehensive evaluation of n-items. The analysis to the result of application examples shows that the new evaluation method based on measuring of medium truth scale is more reasonable and scientific than general methods.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124173210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generalized Cascade Synchronization of Discrete-time Henon-like Map 离散时间类henon映射的广义级联同步
2008 The 9th International Conference for Young Computer Scientists Pub Date : 2008-12-12 DOI: 10.1109/ICYCS.2008.81
Yin Li, Biao Li, Yong Chen
{"title":"Generalized Cascade Synchronization of Discrete-time Henon-like Map","authors":"Yin Li, Biao Li, Yong Chen","doi":"10.1109/ICYCS.2008.81","DOIUrl":"https://doi.org/10.1109/ICYCS.2008.81","url":null,"abstract":"This Letter addresses the generalized cascade synchronization problem of discrete-time hyperchaotic systems. By choosing a general kind of proportional scaling error functions and based on rigorous control theory, we take the discrete-time Henon-like map as a example to achieve the generalized cascade synchronization. Numerical simulations are used to show the effectiveness of the proposed technique.","PeriodicalId":370660,"journal":{"name":"2008 The 9th International Conference for Young Computer Scientists","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123731331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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