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» Angelic Hierarchical Planning: Optimal and Online Algorithms
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ICRA
1999
IEEE
146views Robotics» more  ICRA 1999»
13 years 12 months ago
Planning Tracking Motions for an Intelligent Virtual Camera
We consider the problem of automatically generating viewpoint motions for a virtual camera tracking a moving target. Given the target's trajectory, we plan the motion of a ca...
Tsai-Yen Li, Tzong-Hann Yu
AAAI
2010
13 years 9 months ago
PUMA: Planning Under Uncertainty with Macro-Actions
Planning in large, partially observable domains is challenging, especially when a long-horizon lookahead is necessary to obtain a good policy. Traditional POMDP planners that plan...
Ruijie He, Emma Brunskill, Nicholas Roy
VLDB
2002
ACM
98views Database» more  VLDB 2002»
13 years 7 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
SEMWEB
2009
Springer
14 years 2 months ago
Optimizing Web Service Composition While Enforcing Regulations
Abstract. To direct automated Web service composition, it is compelling to provide a template, workflow or scaffolding that dictates the ways in which services can be composed. I...
Shirin Sohrabi, Sheila A. McIlraith
NIPS
2007
13 years 9 months ago
Theoretical Analysis of Heuristic Search Methods for Online POMDPs
Planning in partially observable environments remains a challenging problem, despite significant recent advances in offline approximation techniques. A few online methods have a...
Stéphane Ross, Joelle Pineau, Brahim Chaib-...