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SIGMOD
2011
ACM
267views Database» more  SIGMOD 2011»
14 years 18 days ago
A latency and fault-tolerance optimizer for online parallel query plans
We address the problem of making online, parallel query plans fault-tolerant: i.e., provide intra-query fault-tolerance without blocking. We develop an approach that not only achi...
Prasang Upadhyaya, YongChul Kwon, Magdalena Balazi...
CLIMA
2007
14 years 11 months ago
Plan-Coordination Mechanisms and the Price of Autonomy
Abstract. Task-based planning problems for multi-agent systems require multiple agents to find a joint plan for a constrained set of tasks. Typically, each agent receives a subset...
J. Renze Steenhuisen, Cees Witteveen, Yingqian Zha...
ICDE
2010
IEEE
227views Database» more  ICDE 2010»
15 years 4 months ago
Incorporating partitioning and parallel plans into the SCOPE optimizer
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
Jingren Zhou, Per-Åke Larson, Ronnie Chaiken
COLCOM
2007
IEEE
15 years 4 months ago
Collaborative motion planning of autonomous robots
—In disaster areas, office buildings, or at home, multiple autonomous networked mobile robots may act instead of human beings. These robots have to move to their destination so ...
Takashi Okada, Razvan Beuran, Junya Nakata, Yasuo ...
ICRA
2005
IEEE
130views Robotics» more  ICRA 2005»
15 years 3 months ago
Motion Planning and Trajectory Tracking on 2-D Manifolds embedded in 3-D Workspaces
— In this paper we present a methodology that drives and stabilizes a robotic agent moving in a three dimensional environment, to a 2-dimensional manifold embedded in the workspa...
Xanthi Papageorgiou, Savvas G. Loizou, Kostas J. K...