賈焰 周斌 許進(jìn)

摘 要：近年來(lái)，隨著社交網(wǎng)絡(luò)的快速發(fā)展，社交網(wǎng)絡(luò)使得人類(lèi)使用互聯(lián)網(wǎng)的方式產(chǎn)生了深刻變革——由簡(jiǎn)單信息搜索和網(wǎng)頁(yè)瀏覽轉(zhuǎn)向網(wǎng)上社會(huì)關(guān)系的構(gòu)建與維護(hù)、基于社會(huì)關(guān)系的信息創(chuàng)造、交流和共享。在線社交網(wǎng)絡(luò)是一種在信息網(wǎng)絡(luò)上由社會(huì)個(gè)體集合及個(gè)體之間的連接關(guān)系構(gòu)成的社會(huì)性結(jié)構(gòu)，包含關(guān)系結(jié)構(gòu)、網(wǎng)絡(luò)群體與網(wǎng)絡(luò)信息三個(gè)要素。其中，社交網(wǎng)絡(luò)的關(guān)系結(jié)構(gòu)是社會(huì)個(gè)體成員之間通過(guò)社會(huì)關(guān)系結(jié)成的網(wǎng)絡(luò)系統(tǒng)，包括社交網(wǎng)絡(luò)的結(jié)構(gòu)特性與演化機(jī)理分析方面、虛擬社區(qū)發(fā)現(xiàn)、社交網(wǎng)絡(luò)演化分析4個(gè)主要方面。

關(guān)鍵詞：社交網(wǎng)絡(luò) 虛擬社區(qū) 結(jié)構(gòu)屬性

Abstract：In recent years， with the rapid growth of social network services （SNS）， social networks pervade nearly every aspect of our daily lives. Social networks influence today's societal and cultural issues， and change the way people see themselves. To fully understand the running mechanisms of social networks， in this report， we aim at series of high knitted and important elements of online social networks. A social network is a social structure made up of a set of social actors （such as individuals or organizations） and a set of the ties between these actors. Existing researches on social network involve three perspectives： topological structure and its evolutioncrowds' interaction and mutual influenceinformation and its dissemination. In terms of structure and its evolution of social network， existing researches involve social network modeling， social network structure characteristic analysis， community detection and evolution theory.

Key Words：Social Networks； Community； Structual Properties

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