2014 MetaPathbasedMultiNetworkCollec

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Abstract

Online social networks offering various services have become ubiquitous in our daily life. Meanwhile, users nowadays are usually involved in multiple online social networks simultaneously to enjoy specific services provided by different networks. Formally, social networks that share some common users are named as partially aligned networks. In this paper, we want to predict the formation of social links in multiple partially aligned social networks at the same time, which is formally defined as the multi-network link (formation) prediction problem. In multiple partially aligned social networks, users can be extensively correlated with each other by various connections. To categorize these diverse connections among users, 7 “intra-network social meta paths " and 4 categories of “inter-network social meta paths " are proposed in this paper. These “social meta paths " can cover a wide variety of connection information in the network, some of which can be helpful for solving the multi-network link prediction problem but some can be not. To utilize useful connection, a subset of the most informativesocial meta paths " are picked, the process of which is formally defined as “social meta path selection” in this paper. An effective general link formation prediction framework, Mli (Multi-network Link Identifier), is proposed in this paper to solve the multi-network link (formation) prediction problem. Built with heterogenous topological features extracted based on the selected “social meta paths " in the multiple partially aligned social networks, Mli can help refine and disambiguate the prediction results reciprocally in all aligned networks. Extensive experiments conducted on real-world partially aligned heterogeneous networks, Foursquare and Twitter, demonstrate that Mli can solve the multi-network link prediction problem very well.

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 AuthorvolumeDate ValuetitletypejournaltitleUrldoinoteyear
2014 MetaPathbasedMultiNetworkCollecZhi-Hua Zhou
Philip S. Yu
Jiawei Zhang
Meta-path based Multi-network Collective Link Prediction10.1145/2623330.26236452014