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- W4287978416 abstract "Predicting edges in networks is a key problem in social network analysis and involves reasoning about the relationships between nodes based on the structural properties of a network. In particular, link prediction can be used to analyse how a network will develop or - given incomplete information about relationships - to discover missing links. Our approach to this problem is rooted in cooperative game theory, where we propose a new, quasi-local approach (i.e., one which considers nodes within some radius k) that combines generalised group closeness centrality and semivalue interaction indices. We develop fast algorithms for computing our measure and evaluate it on a number of real-world networks, where it outperforms a selection of other state-of-the-art methods from the literature. Importantly, choosing the optimal radius k for quasi-local methods is difficult, and there is no assurance that the choice is optimal. Additionally, when compared to other quasi-local methods, ours achieves very good results even when given a suboptimal radius k as a parameter." @default.
- W4287978416 created "2022-07-26" @default.
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- W4287978416 date "2019-12-30" @default.
- W4287978416 modified "2023-10-05" @default.
- W4287978416 title "A Game-Theoretic Algorithm for Link Prediction" @default.
- W4287978416 doi "https://doi.org/10.48550/arxiv.1912.12846" @default.
- W4287978416 hasPublicationYear "2019" @default.
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