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104
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MP
2008
126views more  MP 2008»
15 years 17 days ago
Geometry of interpolation sets in derivative free optimization
We consider derivative free methods based on sampling approaches for nonlinear optimization problems where derivatives of the objective function are not available and cannot be dir...
Andrew R. Conn, Katya Scheinberg, Luís N. V...
SIAMDM
2008
79views more  SIAMDM 2008»
15 years 16 days ago
Testing Triangle-Freeness in General Graphs
In this paper we consider the problem of testing whether a graph is triangle-free, and more generally, whether it is H-free, for a fixed subgraph H. The algorithm should accept gr...
Noga Alon, Tali Kaufman, Michael Krivelevich, Dana...
TON
2010
93views more  TON 2010»
14 years 11 months ago
On suitability of Euclidean embedding for host-based network coordinate systems
Abstract—In this paper, we investigate the suitability of embedding Internet hosts into a Euclidean space given their pairwise distances (as measured by round-trip time). Using t...
Sanghwan Lee, Zhi-Li Zhang, Sambit Sahu, Debanjan ...
CRV
2011
IEEE
305views Robotics» more  CRV 2011»
14 years 12 days ago
Motion Segmentation by Learning Homography Matrices from Motor Signals
—Motion information is an important cue for a robot to separate foreground moving objects from the static background world. Based on the observation that the motion of the backgr...
Changhai Xu, Jingen Liu, Benjamin Kuipers
213
Voted
ICDE
2003
IEEE
143views Database» more  ICDE 2003»
16 years 2 months ago
Querying Imprecise Data in Moving Object Environments
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...
Reynold Cheng, Sunil Prabhakar, Dmitri V. Kalashni...