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Bellman Meets Hawkes: Model-Based Reinforcement Learning via Temporal Point Processes

AAAI 2023 · Reinforcement learning › Policy gradient and actor-critic · approach: Model-based RL with guarantees · 8 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Model irregular event timing and endogenous jumps with NHPI, and plan using the SMDP Bellman equationSEDRL · Synthetic simulation (SI and USI)cumulative rewardHelped
Use NHPI-based model-based planning rather than the compared RL baselinesSmart broadcasting · Smart broadcastingcumulative reward: -10; below -40Helped
Use NHPI-based model-based planning rather than the compared RL baselinesImproving the Engagement · Improving the Engagementcumulative reward: -35; below -50Helped
Represent irregular event intervals explicitly with a temporal point process rather than treating timestamps as regular featuresSEDRL · Synthetic simulationcumulative rewardHelped
Use real replay-buffer data for value learning rather than fully imagined data (ablation)SEDRL · ExperimentsperformanceHelped

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