Sciweavers

4592 search results - page 902 / 919
» Framework for Studying Substitution
Sort
View
IJRR
2002
175views more  IJRR 2002»
13 years 7 months ago
Navigation Strategies for Exploring Indoor Environments
This paper investigates safe and efficient map-building strategies for a mobile robot with imperfect control and sensing. In the implementation, a robot equipped with a range sens...
Héctor H. González-Baños, Jea...
IR
2002
13 years 7 months ago
An Empirical Analysis of Design Choices in Neighborhood-Based Collaborative Filtering Algorithms
Collaborative filtering systems predict a user's interest in new items based on the recommendations of other people with similar interests. Instead of performing content index...
Jonathan L. Herlocker, Joseph A. Konstan, John Rie...
CSUR
1999
159views more  CSUR 1999»
13 years 7 months ago
Hubs, authorities, and communities
The Web can be naturally modeled as a directed graph, consisting of a set of abstract nodes (the pages) joined by directional edges (the hyperlinks). Hyperlinks encode a considerab...
Jon M. Kleinberg
JISE
1998
84views more  JISE 1998»
13 years 7 months ago
Determining the Idle Time of a Tiling: New Results
In the framework of perfect loop nests with uniform dependences, tiling has been extensively studied as a source-to-source program transformation. We build upon recent results by ...
Frederic Desprez, Jack Dongarra, Fabrice Rastello,...
TMI
1998
134views more  TMI 1998»
13 years 7 months ago
Speckle Reduction and Contrast Enhancement of Echocardiograms via Multiscale Nonlinear Processing
Abstract— This paper presents an algorithm for speckle reduction and contrast enhancement of echocardiographic images. Within a framework of multiscale wavelet analysis, we apply...
Xuli Zong, Andrew Laine, Edward A. Geiser