There is an increasing number of Internet applications, which leads to an increasing network capacity and availability. Internet traffic characterisation and application identification are, therefore, more important f...There is an increasing number of Internet applications, which leads to an increasing network capacity and availability. Internet traffic characterisation and application identification are, therefore, more important for efficient network management. In this paper, we construct flow graphs from detailed Internet traffic data collected from the public networks of Internet Service Providers. We analyse the community structures of the flow graph that is naturally formed by different applications. The community size, degree distribution of the community, and community overlap of 10 Internet applications are investigated. We further study the correlations between the communities from different applications. Our results provide deep insights into the behaviour Internet applications and traffic, which is helpful for both network management and user behaviour analysis.展开更多
The increased capacity and availability of the Intemet has led to a wide variety of applications. Intemet traffic characterization and application identification is important for network management. In this paper, bas...The increased capacity and availability of the Intemet has led to a wide variety of applications. Intemet traffic characterization and application identification is important for network management. In this paper, based on detailed flow data collected from the public networks of Intemet Service Providers, we construct a flow graph to model the interactions among users. Considering traffic from different applications, we analyze the community structure of the flow graph in terms of cormmunity size, degree distribution of the community, community overlap, and overlap modularity. The near linear time community detection algorithm in complex networks, the Label Propagation Algorithm （LPA）, is extended to the flow graph for application identification. We propose a new initialization and label propagation and update scheme. Experimental results show that the proposed algorithm has high accuracy and efficiency.展开更多
March 5, 2015 the morning of the second session of the Third Session of the NPC, Li keqiang in his government work report first proposed the ＂Internet ＋＂ action plan. This is the ＂Internet ＋＂ for the first time ...March 5, 2015 the morning of the second session of the Third Session of the NPC, Li keqiang in his government work report first proposed the ＂Internet ＋＂ action plan. This is the ＂Internet ＋＂ for the first time into the national economy, top-level design, it is of great significance to the entire Intemet industry, as well as innovation and development of Chinese economy and society. This paper analyzes the ＂Internet ＋＂ status and problems of urban community elderly care service industry, focused on the use of ＂Intemet ＋＂ Endowment way to explore more suitable for the elderly living in multi-party collaboration governments, communities, organizations, the promotion of urban community care services development to meet their social pension service needs, provide better services for the elderly.展开更多
At present, China＇s population aging of unprecedented increase, empty older family question discussion and solve the problem of pension, is the urgent needs of the population aging in our country. Compared with the t...At present, China＇s population aging of unprecedented increase, empty older family question discussion and solve the problem of pension, is the urgent needs of the population aging in our country. Compared with the traditional family endowment, institution endowment and community endowment that occupy the home can guarantee the old man in his own enjoy the professional care services in the community, its unique advantage by relevant government departments, institutions and community in favor of people. At the same time, the rapid development of science and technology will we＇re in a new era of big data, set offa wave of intelligent city, the era of Internet ＋ city community home endowment also ushered in the new opportunities and challenges, ＂community O2O＂ pension mode is more and more clear, the Internet information technology will be in the development of urban community endowment that occupy the home is very imoortant.展开更多
With the increasing popularity of the Internet and mobile Internet, the Virtual Community （VC） is becoming an important medium for person-to-person communication. To realise the potential of the VC, it is neces- sar...With the increasing popularity of the Internet and mobile Internet, the Virtual Community （VC） is becoming an important medium for person-to-person communication. To realise the potential of the VC, it is neces- sary to cultivate within it good group cohesion and vitality. Using empirical and experimental research methods, this study explores the ef- fect of users＇ trust in the VC Platform （VCP） on group cohesion and vitality and how brand and perceived privacy security can affect us- ers＇ trust in the VC. The research results indi- cate that the brand of the VCP can directly af- fect users＇ trust in the VC, and can also influe- nce it indirectly through users＇ perceived pri- vacy protection and perceived security protec- tion. Further, this study also confu＇ms that the performance of the VC （group cohesion and vitality） is significantly affected by users＇ trust in the VC. The results of this study can provide theoretical guidance for internet companies to maintain and enhance the value of VCs.展开更多
With the continuous development of Internet technology, the network has become an important part of people＇s lives, the emergence of virtual communities is promoting the deep interaction oflntemet users, but it is fo...With the continuous development of Internet technology, the network has become an important part of people＇s lives, the emergence of virtual communities is promoting the deep interaction oflntemet users, but it is found that the virtual community ＂diving party＂ is more and more through investigation and literature research, The quantity and quality of knowledge sharing are declining. Therefore, this paper summarizes the behavior and influencing factors of knowledge sharing in virtual community through literature research and investigation and research. At the same time, through the research of incentive theory, the author has obtained the incentive method and content of knowledge sharing, and established the incentive mechanism. The bright spot is to perfect the theory of knowledge sharing while transforming theory into practice, and to provide suggestions for the development of incentive mechanism of virtual community.展开更多
基金supported by the National Natural Science Foundation of Chinaunder Grant No.61171098the Fundamental Research Funds for the Central Universities of Chinathe 111 Project of China under Grant No.B08004
文摘There is an increasing number of Internet applications, which leads to an increasing network capacity and availability. Internet traffic characterisation and application identification are, therefore, more important for efficient network management. In this paper, we construct flow graphs from detailed Internet traffic data collected from the public networks of Internet Service Providers. We analyse the community structures of the flow graph that is naturally formed by different applications. The community size, degree distribution of the community, and community overlap of 10 Internet applications are investigated. We further study the correlations between the communities from different applications. Our results provide deep insights into the behaviour Internet applications and traffic, which is helpful for both network management and user behaviour analysis.
基金the National Natural Science Foundation of China under Grant No.61171098，the Fundamental Research Funds for the Central Universities of China，the 111 Project of China under Grant No.B08004
文摘The increased capacity and availability of the Intemet has led to a wide variety of applications. Intemet traffic characterization and application identification is important for network management. In this paper, based on detailed flow data collected from the public networks of Intemet Service Providers, we construct a flow graph to model the interactions among users. Considering traffic from different applications, we analyze the community structure of the flow graph in terms of cormmunity size, degree distribution of the community, community overlap, and overlap modularity. The near linear time community detection algorithm in complex networks, the Label Propagation Algorithm （LPA）, is extended to the flow graph for application identification. We propose a new initialization and label propagation and update scheme. Experimental results show that the proposed algorithm has high accuracy and efficiency.
文摘March 5, 2015 the morning of the second session of the Third Session of the NPC, Li keqiang in his government work report first proposed the ＂Internet ＋＂ action plan. This is the ＂Internet ＋＂ for the first time into the national economy, top-level design, it is of great significance to the entire Intemet industry, as well as innovation and development of Chinese economy and society. This paper analyzes the ＂Internet ＋＂ status and problems of urban community elderly care service industry, focused on the use of ＂Intemet ＋＂ Endowment way to explore more suitable for the elderly living in multi-party collaboration governments, communities, organizations, the promotion of urban community care services development to meet their social pension service needs, provide better services for the elderly.
文摘At present, China＇s population aging of unprecedented increase, empty older family question discussion and solve the problem of pension, is the urgent needs of the population aging in our country. Compared with the traditional family endowment, institution endowment and community endowment that occupy the home can guarantee the old man in his own enjoy the professional care services in the community, its unique advantage by relevant government departments, institutions and community in favor of people. At the same time, the rapid development of science and technology will we＇re in a new era of big data, set offa wave of intelligent city, the era of Internet ＋ city community home endowment also ushered in the new opportunities and challenges, ＂community O2O＂ pension mode is more and more clear, the Internet information technology will be in the development of urban community endowment that occupy the home is very imoortant.
基金supported by the National Natural Science Foundation of China under Grants No.71201011,No.71301106,No.71103021the Ministry of Education in China under Grants No.13YJA630084,No.13YJC630034,No.20120005120001
文摘With the increasing popularity of the Internet and mobile Internet, the Virtual Community （VC） is becoming an important medium for person-to-person communication. To realise the potential of the VC, it is neces- sary to cultivate within it good group cohesion and vitality. Using empirical and experimental research methods, this study explores the ef- fect of users＇ trust in the VC Platform （VCP） on group cohesion and vitality and how brand and perceived privacy security can affect us- ers＇ trust in the VC. The research results indi- cate that the brand of the VCP can directly af- fect users＇ trust in the VC, and can also influe- nce it indirectly through users＇ perceived pri- vacy protection and perceived security protec- tion. Further, this study also confu＇ms that the performance of the VC （group cohesion and vitality） is significantly affected by users＇ trust in the VC. The results of this study can provide theoretical guidance for internet companies to maintain and enhance the value of VCs.
文摘With the continuous development of Internet technology, the network has become an important part of people＇s lives, the emergence of virtual communities is promoting the deep interaction oflntemet users, but it is found that the virtual community ＂diving party＂ is more and more through investigation and literature research, The quantity and quality of knowledge sharing are declining. Therefore, this paper summarizes the behavior and influencing factors of knowledge sharing in virtual community through literature research and investigation and research. At the same time, through the research of incentive theory, the author has obtained the incentive method and content of knowledge sharing, and established the incentive mechanism. The bright spot is to perfect the theory of knowledge sharing while transforming theory into practice, and to provide suggestions for the development of incentive mechanism of virtual community.
