INFLECT-DGNN: Influencer Prediction with Dynamic Graph Neural Networks

• URL: http://arxiv.org/abs/2307.08131v4
• Date: Tue, 10 Sep 2024 15:51:39 GMT
• Title: INFLECT-DGNN: Influencer Prediction with Dynamic Graph Neural Networks
• Authors: Elena Tiukhova, Emiliano Penaloza, María Óskarsdóttir, Bart Baesens, Monique Snoeck, Cristián Bravo,
• Abstract summary: We present INFLuencer prEdiCTion with Dynamic Graph Neural Networks (GNNs) and Recurrent Neural Networks (RNNs) We introduce a novel profit-driven framework that supports decision-making based on model predictions. Our research has significant implications for the fields of referral and targeted marketing.
• Score: 4.677411878315618
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Leveraging network information for predictive modeling has become widespread in many domains. Within the realm of referral and targeted marketing, influencer detection stands out as an area that could greatly benefit from the incorporation of dynamic network representation due to the continuous evolution of customer-brand relationships. In this paper, we present INFLECT-DGNN, a new method for profit-driven INFLuencer prEdiCTion with Dynamic Graph Neural Networks that innovatively combines Graph Neural Networks (GNNs) and Recurrent Neural Networks (RNNs) with weighted loss functions, synthetic minority oversampling adapted to graph data, and a carefully crafted rolling-window strategy. We introduce a novel profit-driven framework that supports decision-making based on model predictions. To test the framework, we use a unique corporate dataset with diverse networks, capturing the customer interactions across three cities with different socioeconomic and demographic characteristics. Our results show how using RNNs to encode temporal attributes alongside GNNs significantly improves predictive performance, while the profit-driven framework determines the optimal classification threshold for profit maximization. We compare the results of different models to demonstrate the importance of capturing network representation, temporal dependencies, and using a profit-driven evaluation. Our research has significant implications for the fields of referral and targeted marketing, expanding the technical use of deep graph learning within corporate environments.

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