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Due to the spread of unreliable online information on social network services (SNS), the users are faced with a difficult problem for determining if the information is trustworthy or not. At present, the users should make a decision overall by themselves for trustworthiness of information. Therefore, we need a way to systematically evaluate trustworthiness of information on SNS. In this paper, we...
Collaboration of smart devices often requires troublesome configuration and management, involving human interventions. In order to reduce these burdens, smart devices should be able to configure and manage themselves in device collaboration, self-understanding high-level information such as social relationship between the owners. We propose a concept called, device sociality, which aims automatic...
As mobile Internet environments are becoming dominant, how to revamp P2P operations for mobile hosts is gaining more and more attention. In this paper, we carry out empirical traffic measurement of BitTorrent service in various settings (static, bus and subway) in commercial WiMAX networks. To this end, we analyze the connectivity among peers, the download throughput/stability, and the signaling overhead...
BitTorrent has achieved a huge success, being estimated to account for Internet traffic. The ever increasing usage of BitTorrent is due to some attractive properties of its swarming systems. First, cooperation among peers in a swarm results from the tit-for-tat based incentive mechanism to improve the overall system performance in terms of throughput. Second, the tit-for-tat strategy also prevents...
This paper proposes an efficient storage virtualization system which allows users to view hard disk resources constituted of numerous nodes as a large logical space using distributed hash tables of P2P networking. The proposed system is developed at the device level of an operating system (e.g. MS-Windows) and is suitable for users in Intranet environments. This system is developed to be recognized...
Web 2.0 provides functionality of social content based on data generated by users. Users spend their time by browsing content and look for interesting contents using keyword search. Those contents are posted and shared for their interesting tastes by like-minded people. New and popular contents, keywords, or recommendations may also be offered to users by their friends. People are separated over many...
Peer-to-Peer (P2P) networks risen as a promising approach to provide large-scale VOD services over the Internet for their potential scalability. Since videos are typically large in volume and require high communication bandwidth for delivery, many peers are unwilling to cache them in whole for serving others. In this paper, we propose a new time-based cache management on peers and a peer clustering...
File sharing is a common practice since the introduction of computer networks. It involves using technology that allows network users to share files that are stored on their individual computers. Peer-to-peer or simply P2P applications, such as those used to share multimedia files, are some of the most common forms of file-sharing technology. However, P2P applications are vulnerable to security risks...
We developed a peer-to-peer (P2P) based networking service and designed a P2P based social networking service method and apparatus capable of appropriately providing a social networking service under P2P environments. This paper proposed a method for easily providing a social networking service, which will be used as a principal service on the basis of a universal P2P platform irrelevant to application...
Presently, the various peer-to-peer (P2P) services are developed and it is provided. P2P service user terminals include the service platform which is subordinate in the application service. In the specific terminal, in case it attempts in order to use the other service, the service platform installation related to the target service has to be separately carried out. P2P service platform of the general...
Peer to peer (P2P) grid computing is an Internet-based parallel computing paradigm to achieve tremendous computing power by voluntary peers. Since peers are not dedicated to a system, peers are free to leave and join autonomously during computation in this computing environment. A scheduling mechanism must cover the volatility of peers to support a reliable P2P grid computing system. Most existing...
A peer-to-peer grid computing is complicated by heterogeneous capabilities, failures, volatility, and lack of trust because it is based on desktop computers at the edge of the Internet. In order to improve the reliability of computation and gain better performance, a replication mechanism must adapt to these distinct features. In other words, it is required to classify volunteers into groups that...
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