@inproceedings{ POB:uai01, title = {Value-Directed Sampling Methods for Monitoring POMDPs} } , url = {filter-pomdps.pdf} } , booktitle = {} } , author = {Pascal Poupart and Luis E. Ortiz and Craig Boutilier} } , year = {2001} } , address = {Seattle} } , pages = {453--461} }