Knowledge discovery in astronomical data

Yanxia Zhang; Hongwen Zheng; Yongheng Zhao

doi:10.1117/12.788417

15 July 2008 Knowledge discovery in astronomical data

Yanxia Zhang, Hongwen Zheng, Yongheng Zhao

Proceedings Volume 7019, Advanced Software and Control for Astronomy II; 701938 (2008) https://doi.org/10.1117/12.788417
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

With the construction and development of ground-based and space-based observatories, astronomical data amount to Terascale, even Petascale. How to extract knowledge from so huge data volume by automated methods is a big challenge for astronomers. Under this situation, many researchers have studied various approaches and developed different softwares to solve this issue. According to the special task of data mining, we need to select an appropriate technique suiting the requirement of data characteristics. Moreover all algorithms have their own pros and cons. We introduce the characteristics of astronomical data, present the taxonomy of knowledge discovery, and describe the functionalities of knowledge discovery in detail. Then the methods of knowledge discovery are touched upon. Finally the successful applications of data mining techniques in astronomy are summarized and reviewed. Facing data avalanche in astronomy, knowledge discovery in databases (KDD) shows its superiority.

Citation Download Citation

Yanxia Zhang, Hongwen Zheng, and Yongheng Zhao "Knowledge discovery in astronomical data", Proc. SPIE 7019, Advanced Software and Control for Astronomy II, 701938 (15 July 2008); https://doi.org/10.1117/12.788417

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