ASTER: Adaptive Spatio-Temporal Early Decision Model for Dynamic Resource Allocation

• URL: http://arxiv.org/abs/2506.17929v1
• Date: Sun, 22 Jun 2025 07:49:37 GMT
• Title: ASTER: Adaptive Spatio-Temporal Early Decision Model for Dynamic Resource Allocation
• Authors: Shulun Chen, Wei Shao, Flora D. Salim, Hao Xue,
• Abstract summary: In emergency response, the priority is successful resource allocation and intervention, not just incident prediction.<n>It is essential to propose an Adaptive S-temporal Decision (ASTER) that reforms the forecasting paradigm from event anticipation to actionable decision support.<n>This framework ensures that information is directly used for decision-making, thereby maximizing overall effectiveness.
• Score: 9.870286663826253
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Supporting decision-making has long been a central vision in the field of spatio-temporal intelligence. While prior work has improved the timeliness and accuracy of spatio-temporal forecasting, converting these forecasts into actionable strategies remains a key challenge. A main limitation is the decoupling of the prediction and the downstream decision phases, which can significantly degrade the downstream efficiency. For example, in emergency response, the priority is successful resource allocation and intervention, not just incident prediction. To this end, it is essential to propose an Adaptive Spatio-Temporal Early Decision model (ASTER) that reforms the forecasting paradigm from event anticipation to actionable decision support. This framework ensures that information is directly used for decision-making, thereby maximizing overall effectiveness. Specifically, ASTER introduces a new Resource-aware Spatio-Temporal interaction module (RaST) that adaptively captures long- and short-term dependencies under dynamic resource conditions, producing context-aware spatiotemporal representations. To directly generate actionable decisions, we further design a Preference-oriented decision agent (Poda) based on multi-objective reinforcement learning, which transforms predictive signals into resource-efficient intervention strategies by deriving optimal actions under specific preferences and dynamic constraints. Experimental results on four benchmark datasets demonstrate the state-of-the-art performance of ASTER in improving both early prediction accuracy and resource allocation outcomes across six downstream metrics.

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