1347 search results - page 200 / 270 » Feature Selection Algorithms: A Survey and Experimental Eval... |
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
Recently, a novel Log-Euclidean Riemannian metric [28] is proposed for statistics on symmetric positive definite (SPD) matrices. Under this metric, distances and Riemannian means ...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
ITNG
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper the authors describe the implementation and validation of a prototype of an environmental and health monitoring system based on a Wireless Sensor Network (WSN). The ...
AIRWEB
2008
Springer
13 years 10 months ago
2008
Springer
Combating Web spam has become one of the top challenges for Web search engines. State-of-the-art spam detection techniques are usually designed for specific known types of Web spa...
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Spatial classification is the task of learning models to predict class labels based on the features of entities as well as the spatial relationships to other entities and their fe...