An exact method for influence maximization based on deterministic linear threshold model

Eszter Julianna Csókás () and Tamás Vinkó ()
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Eszter Julianna Csókás: University of Szeged
Tamás Vinkó: University of Szeged

Central European Journal of Operations Research, 2023, vol. 31, issue 1, No 10, 269-286

Abstract: Abstract Influence maximization (IM) is a challenging combinatorial optimization problem on (social) networks given a diffusion model and limited choice for initial seed nodes. In a recent paper by Keskin and Güler (Turkish J of Electrical Eng & Comput Sci 26:3383–3396, 2018) an integer programming formalization of IM using the so-called deterministic linear threshold diffusion model was proposed. In fact, it is a special 0-1 linear program in which the objective is to maximize influence while minimizing the diffusion time. In this paper, by rigorous analysis, we show that the proposed algorithm can get stuck in locally optimal solution or cannot even start on certain input graphs. The identified problems are resolved by introducing further constraints which then leads to a correct algorithmic solution. Benchmarking results are shown to demonstrate the efficiency of the proposed method.

Keywords: Influence maximization; Deterministic linear threshold; Integer linear programming; 90C35 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10100-022-00807-3

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