181 search results - page 21 / 37 » Improving Re-ranking of Search Results Using Collaborative F... |
JISE
2007
13 years 7 months ago
2007
Query expansion is extensively applied in information retrieval systems, such as search engines. Most conventional approaches to query expansion have been developed based on textua...
CIRA
2007
IEEE
14 years 2 months ago
2007
IEEE
—This paper presents an automatic object detection and tracking algorithm by using particle swarm optimization (PSO) based method, which is a searching algorithm inspired by the ...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— When a sensor network is deployed in hostile environments, the adversary may compromise some sensor nodes, and use the compromised nodes to inject false sensing reports or modi...
IDA
2002
Springer
13 years 7 months ago
2002
Springer
The ability to identify the mineral composition of rocks and soils is an important tool for the exploration of geological sites. Even though expert knowledge is commonly used for t...
ICMCS
2010
IEEE
13 years 8 months ago
2010
IEEE
This paper compares the efficacy and efficiency of different clustering approaches for selecting a set of exemplar images, to present in the context of a semantic concept. We eval...