Explainable and Interpretable Forecasts on Non-Smooth Multivariate Time Series for Responsible Gameplay

• URL: http://arxiv.org/abs/2504.03777v1
• Date: Thu, 03 Apr 2025 11:49:24 GMT
• Title: Explainable and Interpretable Forecasts on Non-Smooth Multivariate Time Series for Responsible Gameplay
• Authors: Hussain Jagirdar, Rukma Talwadker, Aditya Pareek, Pulkit Agrawal, Tridib Mukherjee,
• Abstract summary: Actionable Forecasting Network (AFN) addresses the inter-dependent challenges associated with three exclusive objectives.<n>AFN achieves 25% improvement on the MSE of the forecasts on player data in comparison to the SOM-VAE based SOTA networks.
• Score: 20.363472927691255
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Multi-variate Time Series (MTS) forecasting has made large strides (with very negligible errors) through recent advancements in neural networks, e.g., Transformers. However, in critical situations like predicting gaming overindulgence that affects one's mental well-being; an accurate forecast without a contributing evidence (explanation) is irrelevant. Hence, it becomes important that the forecasts are Interpretable - intermediate representation of the forecasted trajectory is comprehensible; as well as Explainable - attentive input features and events are accessible for a personalized and timely intervention of players at risk. While the contributing state of the art research on interpretability primarily focuses on temporally-smooth single-process driven time series data, our online multi-player gameplay data demonstrates intractable temporal randomness due to intrinsic orthogonality between player's game outcome and their intent to engage further. We introduce a novel deep Actionable Forecasting Network (AFN), which addresses the inter-dependent challenges associated with three exclusive objectives - 1) forecasting accuracy; 2) smooth comprehensible trajectory and 3) explanations via multi-dimensional input features while tackling the challenges introduced by our non-smooth temporal data, together in one single solution. AFN establishes a \it{new benchmark} via: (i) achieving 25% improvement on the MSE of the forecasts on player data in comparison to the SOM-VAE based SOTA networks; (ii) attributing unfavourable progression of a player's time series to a specific future time step(s), with the premise of eliminating near-future overindulgent player volume by over 18% with player specific actionable inputs feature(s) and (iii) proactively detecting over 23% (100% jump from SOTA) of the to-be overindulgent, players on an average, 4 weeks in advance.

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