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@jemoka / Jemoka Knowledge Base / wiki/concepts/smith.md
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--- title: "Smith 20??" type: concept related: [Point Based Value Iteration, Blind Lower Bound, Hsvi] source: https://www.jemoka.com/posts/kbhsmith/ confidence: high status: active --- HSVI One-Liner “impact of approximation decreases as steps from the root node” Novelty combined alpha-vector and forward heuristics to guide search of belief states before backup 100x times faster in PBVI scales to huge environments Goal: minimize “regret” (difference until optimal policy) Novelty HSVI 2 Projected the upper bound onto a convex hull (HSVI2: via approximate convex hull projection) uses blind lower bound Notable Methods Key Figs New Concepts Notes