16 search results - page 2 / 4 » Effect of dynamic pruning safety on learning to rank effecti... |
MIR
2006
ACM
13 years 10 months ago
2006
ACM
Automatic keyword annotation is a promising solution to enable more effective image search by using keywords. In this paper, we propose a novel automatic image annotation method b...
ICCV
2009
IEEE
13 years 2 months ago
2009
IEEE
This paper investigates a new learning formulation called dynamic group sparsity. It is a natural extension of the standard sparsity concept in compressive sensing, and is motivat...
ECML
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. In this work we investigate several issues in order to improve the performance of probabilistic estimation trees (PETs). First, we derive a new probability smoothing that...
BMCBI
2006
13 years 4 months ago
2006
Background: Gene Ontology (GO) characterizes and categorizes the functions of genes and their products according to biological processes, molecular functions and cellular componen...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...