Heuristics: intelligent search strategies for computer problem solving
Heuristics: intelligent search strategies for computer problem solving
An Algorithm for Finding Best Matches in Logarithmic Expected Time
ACM Transactions on Mathematical Software (TOMS)
LAO: a heuristic search algorithm that finds solutions with loops
Artificial Intelligence - Special issue on heuristic search in artificial intelligence
Dynamic programming for structured continuous Markov decision problems
UAI '04 Proceedings of the 20th conference on Uncertainty in artificial intelligence
Solving factored MDPs with continuous and discrete variables
UAI '04 Proceedings of the 20th conference on Uncertainty in artificial intelligence
Effective approaches for partial satisfaction (over-subscription) planning
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
Solving generalized semi-Markov decision processes using continuous phase-type distributions
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
Planning under continuous time and resource uncertainty: a challenge for AI
UAI'02 Proceedings of the Eighteenth conference on Uncertainty in artificial intelligence
Solving Decentralized Continuous Markov Decision Problems with Structured Reward
KI '07 Proceedings of the 30th annual German conference on Advances in Artificial Intelligence
Planning with continuous resources for agent teams
Proceedings of The 8th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
Near-optimal search in continuous domains
AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 2
Generating plans in concurrent, probabilistic, over-subscribed domains
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Towards faster planning with continuous resources in stochastic domains
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Resource allocation among agents with MDP-induced preferences
Journal of Artificial Intelligence Research
A heuristic search approach to planning with continuous resources in stochastic domains
Journal of Artificial Intelligence Research
A hybridized planner for stochastic domains
IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
ReTrASE: integrating paradigms for approximate probabilistic planning
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Planning in stochastic domains for multiple agents with individual continuous resource state-spaces
Autonomous Agents and Multi-Agent Systems
Topological value iteration algorithms
Journal of Artificial Intelligence Research
Discovering hidden structure in factored MDPs
Artificial Intelligence
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We consider the problem of optimal planning in stochastic domains with resource constraints, where resources are continuous and the choice of action at each step may depend on the current resource level. Our principal contribution is the HAO* algorithm, a generalization of the AO* algorithm that performs search in a hybrid state space that is modeled using both discrete and continuous state variables. The search algorithm leverages knowledge of the starting state to focus computational effort on the relevant parts of the state space. We claim that this approach is especially effective when resource limitations contribute to reachability constraints. Experimental results show its effectiveness in the domain that motivates our research - automated planning for planetary exploration rovers.