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Data Analysis and Knowledge Discovery  2018, Vol. 2 Issue (12): 60-67    DOI: 10.11925/infotech.2096-3467.2018.0200
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Identifying Weibo Opinion Leaders with Social Network Analysis and Influence Diffusion Model
Chen Fen(), Fu Xi, He Yuan, Xue Chunxiang
School of Economics and Management, Nanjing University of Science and Technology, Nanjing 210094, China
The Priority Academic of Jiangsu Higher Education Institutions, Nanjing 210094, China
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Abstract  

[Objective] This paper tries to identify Weibo opinion leaders with the help of social network analysis and influence diffusion model. [Methods] First, we analyzed the opinion leaders’ characteristics based on the social network analysis. Then we optimized the existing influence diffusion model from the perspectives of impact scope and extent. Finally, we applied the new model to find opinion leaders. [Results] Compared with the models built on centrality analysis or semantic similarity, the optimized model obtained better ranking for opinion leaders, which was consistent with the Weibo data. [Limitations] Only examined the proposed method with data on GMO foods. [Conclusions] The proposed model could effectively identify the Weibo opinion leaders.

Key wordsSocial Network Analysis      Opinion Leader      IDM      Food Safety     
Received: 26 February 2018      Published: 16 January 2019
ZTFLH:  G206  

Cite this article:

Chen Fen,Fu Xi,He Yuan,Xue Chunxiang. Identifying Weibo Opinion Leaders with Social Network Analysis and Influence Diffusion Model. Data Analysis and Knowledge Discovery, 2018, 2(12): 60-67.

URL:

https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.2096-3467.2018.0200     OR     https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2018/V2/I12/60

题目\选项 平均值 对应标度
中心性(影响范围)相对于语义相似度(影响深度) 5.05 1同等重要
点入度中心性相对于点出度中心性 7.88 7非常重要
点入度中心性相对于中间中心性 4.87 1同等重要
点入度中心性相对于外接近中心性 7.32 6非常重要
点入度中心性相对于内接近中心性 5.21 1同等重要
点出度中心性相对于中间中心性 3.46 1/4比较不重要
点出度中心性相对于外接近中心性 4.76 1同等重要
点出度中心性相对于内接近中心性 2.43 1/6非常不重要
中间中心性相对于外接近中心性 6.51 4比较重要
中间中心性相对于内接近中心性 5.01 1同等重要
外接近中心性相对于内接近中心性 3.65 1/4比较不重要
评论与原微博语义相似度相对于转发与原微博语义相似度 4.16 1/3略微不重要
意见领袖指标 权重
中心性 点入度中心性 0.1606
点出度中心性 0.0276
中间中心性 0.1330
外接近中心性 0.0293
内接近中心性 0.1495
语义相似度 评论与原微博语义相似度 0.1250
转发与原微博语义相似度 0.3750
用户名 综合模型领袖值 用户名 综合模型领袖值
吕永岩 0.71 环球科学杂志社 0.22
崔永元 0.55 邵井子1314 0.21
陈一文顾问 0.53 编剧赵华 0.21
jrry86 0.50 华夏能源网 0.21
中流击水三千里 0.43 温州大学演讲与辩论协会 0.20
人民网 0.42 人民食物主权 0.20
顾秀林A 0.40 转基因观察 0.19
烧猪肉炆荷兰豆 0.35 半岛老布 0.19
传统农业研究 0.27 铅笔经济研究社 0.18
曹明华和曹明逸 0.26 蓝鲸财经记者工作平台 0.18
李骁 0.26 基因农业网 0.18
UnknownC4 0.23 生命科学新论 0.18
钟馗V巡世 0.23
序号 基于中心性模型的意见领袖 本文的综合模型意见领袖
1 jrry86 吕永岩
2 崔永元 崔永元
3 中流击水三千里 陈一文顾问
4 陈一文顾问 jrry86
5 烧猪肉炆荷兰豆 中流击水三千里
6 顾秀林A 人民网
7 吕永岩 顾秀林A
8 传统农业研究 烧猪肉炆荷兰豆
9 曹明华和曹明逸 传统农业研究
10 钟馗V巡世 曹明华和曹明逸
序号 基于语义相似度模型的意见领袖 本文的综合模型意见领袖
1 吕永岩 吕永岩
2 陈一文顾问 崔永元
3 Not小月月 陈一文顾问
4 上海质监发布 jrry86
5 中流击水三千里 中流击水三千里
6 崔永元 人民网
7 人民网 顾秀林A
8 顾秀林A 烧猪肉炆荷兰豆
9 林治波 传统农业研究
10 安吉兰德中国 曹明华和曹明逸
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