Results 211 to 220 of about 24,621 (259)

Analyzing QAR Data Using K-PCA

2008 Workshop on Power Electronics and Intelligent Transportation System, 2008
This paper analyzes the drawbacks of traditional principal component analysis (PCA) firstly, and discusses the kernel principal component analysis (KPCA) as well as its drawbacks of high complexity secondly. Then it proposes the K-PCA method. Comparing with KPCA, the method proposed in this paper could achieve dimensionality reduction with faster speed.
Xiao-Rong Feng, Xing-Jie Feng
openaire   +1 more source

QAR based data-cube mining algorithm

The 2nd International Conference on Information Science and Engineering, 2010
The QAR (Quick Access Recorder) records immense amounts of aircraft flight data which reflect the performance of every parts of aircraft. This paper describes the importance of analyzing QAR data in flight safety. We proposed a novel data-cube based method to process a large number of QAR data and extracts association rules about the parameters of ...
null Heng Hongjun, null Zhao Fangfang
openaire   +1 more source

Scabies Infection in Thi-Qar Province

Systematic Reviews in Pharmacy, 2020
Aim: This study was conducted to detect the frequency of mange (scabies) in the province of Thi Qar and the most commonly used treatment for it, in addition to measuring the IL-4 levels of selected patients and healthy people as representative marker for activation TH2 and subsequent hypersensitivity reaction.
openaire   +1 more source

Research and Implementation of QAR Data Warehouse

2008 Second International Symposium on Intelligent Information Technology Application, 2008
Aiming at the practical questions of airline companies, such as the platform used to analyze the QAR data is not unified, lots of missing values, duplicate records and noise data in decoded QAR data, which seriously affect the efficiency of analysis of the QAR data.
Wang Hong, Huan Xiuxia, Wang Hongwei
openaire   +1 more source

Home - About - Disclaimer - Privacy