Personalized Tag Recommendation Using Social Influence

被引:19
作者
Hu, Jun [1 ]
Wang, Bing [1 ]
Liu, Yu [1 ]
Li, De-Yi [1 ]
机构
[1] Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China
基金
中国国家自然科学基金;
关键词
recommendation system; social tagging; personalization; social network; Flickr;
D O I
10.1007/s11390-012-1241-0
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Tag recommendation encourages users to add more tags in bridging the semantic gap between human concept and the features of media object, which provides a feasible solution for content-based multimedia information retrieval. In this paper, we study personalized tag recommendation in a popular online photo sharing site - Flickr. Social relationship information of users is collected to generate an online social network. From the perspective of network topology, we propose node topological potential to characterize user's social influence. With this metric, we distinguish different social relations between users and find out those who really have influence on the target users. Tag recommendations are based on tagging history and the latent personalized preference learned from those who have most influence in user's social network. We evaluate our method on large scale real-world data. The experimental results demonstrate that our method can outperform the non-personalized global co-occurrence method and other two state-of-the-art personalized approaches using social networks. We also analyze the further usage of our approach for the cold-start problem of tag recommendation.
引用
收藏
页码:527 / 540
页数:14
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