The Design and Implement of VO-DAS Registry

LU Yong; LIU Chao; CUI Chen-zhou; ZHAO Yong-heng

Astronomical Research and Technology > 2007 > 4(4): 355-359.

LU Yong, LIU Chao, CUI Chen-zhou, ZHAO Yong-heng. The Design and Implement of VO-DAS Registry[J]. Astronomical Research and Technology, 2007, 4(4): 355-359.

Citation:

LU Yong, LIU Chao, CUI Chen-zhou, ZHAO Yong-heng. The Design and Implement of VO-DAS Registry[J]. Astronomical Research and Technology, 2007, 4(4): 355-359.

Citation:

LU Yong, LIU Chao, CUI Chen-zhou, ZHAO Yong-heng. The Design and Implement of VO-DAS Registry[J]. Astronomical Research and Technology, 2007, 4(4): 355-359.

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The Design and Implement of VO-DAS Registry

1.
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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Received Date: April 02, 2007
Revised Date: May 16, 2007
Published Date: October 14, 2007

Graphical Abstract

Abstract

Abstract

To provide a way to seamlessly access large distributed and multi-waveband data resources for astronomers, Virtual Observatory Data Access System (VO-DAS)was designed and is under developing by China-VO project.The VO-DAS Registry System serves VO-DAS as it gets and manages the metadata of both DataNode and tables of DataNode, which makes it possible to discover Datanodes automatically by VO-DAS. Furthermore, only with these metadata, VO-DAS can pass queries from users to set its running.As a matter of fact, VO-DAS Registry helps VO-DAS as it improves the query efficiency.We designed the VO-DAS Registry based on related IVOA standards.This article mainly describes the functions and designs of VO-DAS Registry.
- VO-DAS Registry,
- data access system,
- China-VO

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