Sciweavers

138 search results - page 18 / 28
» nn 2007
Sort
View
ICDE
2007
IEEE
175views Database» more  ICDE 2007»
14 years 11 months ago
Dynamic Batch Nearest Neighbor Search in Video Retrieval
To retrieve similar database videos to a query clip, each video is typically represented by a sequence of highdimensional feature vectors. Given a query video containing m feature...
Jie Shao, Zi Huang, Heng Tao Shen, Xiaofang Zhou, ...
BTW
2007
Springer
183views Database» more  BTW 2007»
14 years 1 months ago
Efficient Reverse k-Nearest Neighbor Estimation
: The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, has received increasing a...
Elke Achtert, Christian Böhm, Peer Kröge...
ESANN
2006
13 years 11 months ago
LS-SVM functional network for time series prediction
Usually time series prediction is done with regularly sampled data. In practice, however, the data available may be irregularly sampled. In this case the conventional prediction me...
Tuomas Kärnä, Fabrice Rossi, Amaury Lend...
IJCAI
2001
13 years 11 months ago
A Simple Additive Re-weighting Strategy for Improving Margins
We present a sample re-weighting scheme inspired by recent results in margin theory. The basic idea is to add to the training set replicas of samples which are not classified with...
Fabio Aiolli, Alessandro Sperduti
BDA
2007
13 years 11 months ago
Hyperplane Queries in a Feature-Space M-tree for Speeding up Active Learning
In content-based retrieval, relevance feedback (RF) is a noticeable method for reducing the “semantic gap” between the low-level features describing the content and the usually...
Michel Crucianu, Daniel Estevez, Vincent Oria, Jea...