Hierarchical POMDP Decomposition for A Conversational Robot
Hierarchical POMDP Decomposition for A Conversational Robot
复制标题
会话机器人的分层 POMDP 分解
DOI:
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发表时间:
2001
期刊:
影响因子:
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通讯作者:
S. Thrun
中科院分区:
文献类型:
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作者:
Joelle Pineau;S. Thrun
POMDPs provide a useful framework for decisionmaking in the presence of uncertainty. Finding solutions to large-scale problems, however, has proven computationally infeasible. We propose a hierarchical approach to POMDPs which takes advantage of structure in the domain to decompose the problem into a collection of smaller POMDPs. These can be solved independently, allowing us to solve larger problems than were previously possible. We apply this approach to the problem of humanrobot speech dialogues, and show that appropriate decomposition can yield signi cant computational time reduction when nding a POMDP solution.