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ISNN
2005
Springer
14 years 1 months ago
Advanced Visualization Techniques for Self-organizing Maps with Graph-Based Methods
The Self-Organizing Map is a popular neural network model for data analysis, for which a wide variety of visualization techniques exists. We present a novel technique that takes th...
Georg Pölzlbauer, Andreas Rauber, Michael Dit...
SSD
2005
Springer
175views Database» more  SSD 2005»
14 years 1 months ago
Probabilistic Spatial Queries on Existentially Uncertain Data
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
Xiangyuan Dai, Man Lung Yiu, Nikos Mamoulis, Yufei...
DMSN
2004
ACM
14 years 1 months ago
KPT: a dynamic KNN query processing algorithm for location-aware sensor networks
An important type of spatial queries for sensor networks are K Nearest Neighbor (KNN) queries. Currently, research proposals for KNN query processing is based on index structures,...
Julian Winter, Wang-Chien Lee
DAGM
2004
Springer
14 years 1 months ago
Pixel-to-Pixel Matching for Image Recognition Using Hungarian Graph Matching
A fundamental problem in image recognition is to evaluate the similarity of two images. This can be done by searching for the best pixel-to-pixel matching taking into account suita...
Daniel Keysers, Thomas Deselaers, Hermann Ney
ECAI
2004
Springer
14 years 1 months ago
Local Search Heuristics: Fitness Cloud versus Fitness Landscape
This paper introduces the concept of fitness cloud as an alternative way to visualize and analyze search spaces than given by the geographic notion of fitness landscape. It is ar...
Philippe Collard, Sébastien Vérel, M...