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Predicate Invention for Bilevel Planning

AAAI 2023 · Reinforcement learning › Visual and representation RL · approach: RL with tree search for discovery · 16 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use only goal predicates, without predicate invention (ablation)Bilevel planning system · PickPlace1D, Blocks, Painting, and Toolssuccess rate (%): 98.6 -> 39.6; 98.4 -> 3.2; 100.0 -> 0.0; 96.8 -> 0.0Hurt
Limit abstract-plan generation to nabstract = 1 at evaluation (ablation)Bilevel planning system · PickPlace1Dsuccess rate (%): 98.6 -> 98.6No clear effect
Limit abstract-plan generation to nabstract = 1 at evaluation (ablation)Bilevel planning system · Blockssuccess rate (%): 98.4 -> 98.2No clear effect
Limit abstract-plan generation to nabstract = 1 at evaluation (ablation)Bilevel planning system · Paintingsuccess rate (%): 100.0 -> 98.8No clear effect
Limit abstract-plan generation to nabstract = 1 at evaluation (ablation)Bilevel planning system · Toolssuccess rate (%): 96.8 -> 42.8Hurt
Optimize predicates for the surrogate planning-time objective rather than the bisimulation criterionPredicate invention · Four robotic planning environmentssuccess rate (%)Helped
Use learned predicates rather than manually designed predicatesBilevel planning system · PickPlace1Dplanning time (seconds): 0.045 -> 0.006Helped

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