NDLI: Temporal Behavior of Social Network Users in Information Diffusion

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Temporal Behavior of Social Network Users in Information Diffusion

Content Provider	ACM Digital Library
Author	Li, Victor O. K. Niu, Guolin Long, Yi
Abstract	The rapid development of online social networks (OSN) renders them a powerful tool for information diffusion. Understanding the temporal behavior of OSN users is critical in studying the diffusion process. While there is much work on building various diffusion models to characterize the information propagation process, the diversity of OSN users' behavior patterns is seldom addressed in these models. However, as revealed by previous measurement studies as well as our empirical observations, OSN users' temporal behaviors are quite different. In this paper, we investigate users' temporal behaviors based on collected traces from a popular OSN in China, covering the diffusion actions of around 2.8 million users for more than 3 years. In particular, distinct from existing studies which mine users' temporal behaviors, we focus on diffusion times and propagation latencies of social links. After clustering the OSN users into two groups with our proposed temporal features, we observe some interesting phenomena, like "Birds of a feather flock together," and specifically find that users from different groups behave heterogeneously. Motivated by this observation, we propose a continuous time diffusion model by incorporating users' heterogeneous temporal diffusion patterns. Comparison of simulation results between our model and a homogeneous model demonstrate the necessity of applying our proposed model for more realistic diffusion descriptions.
Starting Page	150
Ending Page	157
Page Count	8
File Format	PDF
ISBN	9781479941438
DOI	10.1109/WI-IAT.2014.92
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-08-11
Access Restriction	Subscribed
Subject Keyword	Information diffusion user temporal behavior data mining online social network
Content Type	Text
Resource Type	Article

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