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PVLDB
2008
104views more  PVLDB 2008»
15 years 6 months ago
Scalable multi-query optimization for exploratory queries over federated scientific databases
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
Anastasios Kementsietsidis, Frank Neven, Dieter Va...
PVLDB
2008
201views more  PVLDB 2008»
15 years 6 months ago
Ed-Join: an efficient algorithm for similarity joins with edit distance constraints
There has been considerable interest in similarity join in the research community recently. Similarity join is a fundamental operation in many application areas, such as data inte...
Chuan Xiao, Wei Wang 0011, Xuemin Lin
RAS
2008
149views more  RAS 2008»
15 years 6 months ago
Omni-directional mobile robot controller based on trajectory linearization
In this paper, a nonlinear controller design for an omni-directional mobile robot is presented. The robot controller consists of an outer-loop (kinematics) controller and an inner...
Yong Liu, J. Jim Zhu, Robert L. Williams II, Jianh...
RAS
2008
139views more  RAS 2008»
15 years 6 months ago
Unsupervised identification of useful visual landmarks using multiple segmentations and top-down feedback
In this paper, we tackle the problem of unsupervised selection and posterior recognition of visual landmarks in images sequences acquired by an indoor mobile robot. This is a high...
Pablo Espinace, Daniel Langdon, Alvaro Soto
RTS
2008
131views more  RTS 2008»
15 years 6 months ago
A constant-time dynamic storage allocator for real-time systems
Dynamic memory allocation has been used for decades. However, it has seldom been used in real-time systems since the worst case of spatial and temporal requirements for allocation ...
Miguel Masmano, Ismael Ripoll, Patricia Balbastre,...
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