Measuring Friendship Closeness: A Perspective of Social Identity Theory
|Corresponding Author||Lin，Wenqing; Tang，Bo|
Measuring the closeness of friendships is an important problem that finds numerous applications in practice. For example, online gaming platforms often host friendship-enhancing events in which a user (called the source) only invites his/her friend (called the target) to play together. In this scenario, the measure of friendship closeness is the backbone for understanding source invitation and target adoption behaviors, and underpins the recommendation of promising targets for the sources. However, most existing measures for friendship closeness only consider the information between the source and target but ignore the information of groups where they are located, which renders inferior results. To address this issue, we present new measures for friendship closeness based on the social identity theory (SIT), which describes the inclination that a target endorses behaviors of users inside the same group. The core of SIT is the process that a target assesses groups of users as them or us. Unfortunately, this process is difficult to be captured due to perceptual factors. To this end, we seamlessly reify the factors of SIT into quantitative measures, which consider local and global information of a target's group. We conduct extensive experiments to evaluate the effectiveness of our proposal against 8 state-of-the-art methods on 3 online gaming datasets. In particular, we demonstrate that our solution can outperform the best competitor on the behavior prediction (resp. online target recommendation) by up to 23.2% (resp. 34.2%) in the corresponding evaluation metric.
Cited Times [WOS]:0
|Document Type||Conference paper|
|Department||Southern University of Science and Technology|
1.National University of Singapore,Singapore,Singapore
2.Southern University of Science and Technology,Shenzhen,China
|First Author Affilication||Southern University of Science and Technology|
|Corresponding Author Affilication||Southern University of Science and Technology|
Zhang，Shiqi,Sun，Jiachen,Lin，Wenqing,et al. Measuring Friendship Closeness: A Perspective of Social Identity Theory[C],2022:3664-3673.
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