Gravity Effects on Information Filtering and Network Evolving

Jin-Hu Liu, Zi-Ke Zhang, Lingjiao Chen, Chuang Liu, Chengcheng Yang and Xueqi Wang

PLOS ONE, 2014, vol. 9, issue 3, 1-7

Abstract: In this paper, based on the gravity principle of classical physics, we propose a tunable gravity-based model, which considers tag usage pattern to weigh both the mass and distance of network nodes. We then apply this model in solving the problems of information filtering and network evolving. Experimental results on two real-world data sets, Del.icio.us and MovieLens, show that it can not only enhance the algorithmic performance, but can also better characterize the properties of real networks. This work may shed some light on the in-depth understanding of the effect of gravity model.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0091070

DOI: 10.1371/journal.pone.0091070

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