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SIGMOD
2010
ACM
201views Database» more  SIGMOD 2010»
13 years 7 months ago
I4E: interactive investigation of iterative information extraction
Information extraction systems are increasingly being used to mine structured information from unstructured text documents. A commonly used unsupervised technique is to build iter...
Anish Das Sarma, Alpa Jain, Divesh Srivastava
COMPGEOM
2004
ACM
14 years 28 days ago
An empirical comparison of techniques for updating Delaunay triangulations
The computation of Delaunay triangulations from static point sets has been extensively studied in computational geometry. When the points move with known trajectories, kinetic dat...
Leonidas J. Guibas, Daniel Russel
SARA
2009
Springer
14 years 2 months ago
Common Subexpressions in Constraint Models of Planning Problems
Constraint Programming is an attractive approach for solving AI planning problems by modelling them as Constraint Satisfaction Problems (CSPs). However, formulating effective cons...
Andrea Rendl, Ian Miguel, Ian P. Gent, Peter Grego...
ICRA
2009
IEEE
127views Robotics» more  ICRA 2009»
14 years 2 months ago
Trajectory planning and control of an underactuated dynamically stable single spherical wheeled mobile robot
— The ballbot is a dynamically stable mobile robot that moves on a single spherical wheel and is capable of omnidirectional movement. The ballbot is an underactuated system with ...
Umashankar Nagarajan, George Kantor, Ralph L. Holl...
ICRA
2003
IEEE
106views Robotics» more  ICRA 2003»
14 years 23 days ago
Motion planning for a three-limbed climbing robot in vertical natural terrain
This paper presents a general framework for planning the quasi-static motion of a three-limbed climbing robot in vertical natural terrain. The problem is to generate a sequence of...
Timothy Bretl, Stephen M. Rock, Jean-Claude Latomb...