Ranking Micro-Influencers: a Novel Multi-Task Learning and Interpretable Framework

• URL: http://arxiv.org/abs/2107.13943v1
• Date: Thu, 29 Jul 2021 13:04:25 GMT
• Title: Ranking Micro-Influencers: a Novel Multi-Task Learning and Interpretable Framework
• Authors: Adam Elwood, Alberto Gasparin, Alessandro Rozza
• Abstract summary: We propose a novel multi-task learning framework to improve the state of the art in micro-influencer ranking based on multimedia content. We show significant improvement both in terms of accuracy and model complexity. The techniques for ranking and interpretation presented in this work can be generalised to arbitrary multimedia ranking tasks.
• Score: 69.5850969606885
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: With the rise in use of social media to promote branded products, the demand for effective influencer marketing has increased. Brands are looking for improved ways to identify valuable influencers among a vast catalogue; this is even more challenging with "micro-influencers", which are more affordable than mainstream ones but difficult to discover. In this paper, we propose a novel multi-task learning framework to improve the state of the art in micro-influencer ranking based on multimedia content. Moreover, since the visual congruence between a brand and influencer has been shown to be good measure of compatibility, we provide an effective visual method for interpreting our models' decisions, which can also be used to inform brands' media strategies. We compare with the current state-of-the-art on a recently constructed public dataset and we show significant improvement both in terms of accuracy and model complexity. The techniques for ranking and interpretation presented in this work can be generalised to arbitrary multimedia ranking tasks that have datasets with a similar structure.

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