In order to deepen the understanding of Users' social tagging behavior mechanism, and promote the development of social tags' application research and practice, this paper studies the manifestations and causes of irrational behavior in social tagging based on log file analysis and in-depth interview.The results show that, irrational behavior is very common in social tagging, which manifests in tagging objects choosing, tagging aspects choosing and tags expression;and the reasons are mainly related to users' at itude, t...
