基于拓?fù)鋭?shì)的P2P社區(qū)推薦信任模型

韓祺祎; 任夢(mèng)吟; 文紅

doi:10.11999/JEIT141303

基于拓?fù)鋭?shì)的P2P社區(qū)推薦信任模型

doi: 10.11999/JEIT141303 cstr: 32379.14.JEIT141303

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61032003, 61271172)和教育部博士點(diǎn)基金(20120185110030, 20130185130002, 20120185110025)資助課題

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- 文章訪問數(shù): 1557
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2014-10-11
- 修回日期: 2015-01-04
- 刊出日期: 2015-06-19

Topological Potential Based Recommendation Trust Model for P2P Communities System

摘要

摘要: 對(duì)等網(wǎng)(P2P)系統(tǒng)因其開放性和匿名性等特點(diǎn)易受到惡意攻擊和非法濫用，建立基于社區(qū)的信任模型是一個(gè)行之有效的解決途徑。而現(xiàn)有的模型忽略了節(jié)點(diǎn)的動(dòng)態(tài)性、活躍度及影響范圍。該文在分析了P2P用戶模型后，提出一種基于拓?fù)鋭?shì)的P2P社區(qū)推薦信任模型，綜合評(píng)估了節(jié)點(diǎn)的影響力、交易量及信任度。在該模型中，分別建立了社區(qū)內(nèi)部和跨社區(qū)信任度計(jì)算機(jī)制，給出了超級(jí)節(jié)點(diǎn)評(píng)選算法。最后的仿真實(shí)驗(yàn)結(jié)果驗(yàn)證了該信任模型的有效性和魯棒性。
- 對(duì)等網(wǎng)(P2P) /
- 信任 /
- 拓?fù)鋭?shì) /
- 社區(qū) /
- 超級(jí)節(jié)點(diǎn)
Abstract: The features of autonomy, anonymity and distribution make the P2P system vulnerable to malicious attack and abuse. A feasible resolution in such an open environment is to exploit a community-based trust model to build trust relationship between peers. However, the existing model ignores the dynamic feature, the scope of activity and the influence of peers. After analyzing the P2P user model, a topological potential based recommendation trust model is proposed to integrate the influences, transactions, and reputations of nodes. In this model, the trust metrics are divided into intra- and inter-community computing mechanism. Moreover, the algorithm of selecting super node is presented. Simulation results show that the proposed trust model is effective and robust.
- P2P /
- Trust /
- Topological potential /
- Community /
- Super node

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參考文獻(xiàn)(22)

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