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» On the complexity of communication complexity
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ALT
1998
Springer
15 years 11 months ago
Lower Bounds for the Complexity of Learning Half-Spaces with Membership Queries
Exact learning of half-spaces over finite subsets of IRn from membership queries is considered. We describe the minimum set of labelled examples separating the target concept from ...
Valery N. Shevchenko, Nikolai Yu. Zolotykh
3DIM
1997
IEEE
15 years 11 months ago
A System for Semi-Automatic Modeling of Complex Environments
We present a perception system, called Artisan, that semi-automatically builds 3-D models of a robot’s workspace. Range images are acquired with a scanning laser rangefinder an...
Andrew Edie Johnson, Regis Hoffman, Jim Osborn, Ma...
VISUALIZATION
1996
IEEE
15 years 11 months ago
Visualization of Complex Models Using Dynamic Texture-based Simplification
We are investigating methods for simplifying complex models for interactive visualizations using texture-based representations. This paper presents a simplification method which d...
Daniel G. Aliaga
KDD
1997
ACM
106views Data Mining» more  KDD 1997»
15 years 11 months ago
Clustering Sequences of Complex Objects
Sequential Data This paper is about the unsuperviseddiscovery of patterns in sequencesof compositeobjects. A compositeobject may be describedas a sequenceof other, simpler data. In...
A. Ketterlin
ANTS
1994
Springer
92views Algorithms» more  ANTS 1994»
15 years 11 months ago
The complexity of greatest common divisor computations
We study the complexity of expressing the greatest common divisor of n positive numbers as a linear combination of the numbers. We prove the NP-completeness of finding an optimal s...
Bohdan S. Majewski, George Havas