A Meta-Data Layer for Astronomical Archives

Details A Meta-Data Layer for Astronomical Archives A Meta-Data Layer for Astronomical Archives

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..434..233c&link_type=abstract

Astronomical Data Analysis Software and Systems XIX. Proceedings of a conference held October 4-8, 2009 in Sapporo, Japan. Edite

Computer Science

Databases

Scientific paper

In many large observatories, meta-data is spread across a variety of sources (databases, text files, personal knowledge), has varying degrees of quality (in terms of completeness, correctness and precision), and operational constraints abound (one cannot risk locking the database with large queries, incorrect meta-data cannot always be corrected). Hence we propose the concept of a “meta-data” layer service which will shield the query services from the complexity of data sources. Based on a simple but carefully defined standard, this service aims to be generic enough to be adopted across the Virtual Observatory (VO) community, allowing interoperability of the archives at a level not yet possible in the VO.

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