AstroDAbis: Annotations and Cross-Matches for Remote Catalogues

Details AstroDAbis: Annotations and Cross-Matches for Remote Catalogues AstroDAbis: Annotations and Cross-Matches for Remote Catalogues

2011-11-25

arxiv.org/abs/1111.6116v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages, 1 figure, to appear in Proceedings of ADASS XXI, Paris, 2011

Scientific paper

Astronomers are good at sharing data, but poorer at sharing knowledge. Almost all astronomical data ends up in open archives, and access to these is being simplified by the development of the global Virtual Observatory (VO). This is a great advance, but the fundamental problem remains that these archives contain only basic observational data, whereas all the astrophysical interpretation of that data -- which source is a quasar, which a low-mass star, and which an image artefact -- is contained in journal papers, with very little linkage back from the literature to the original data archives. It is therefore currently impossible for an astronomer to pose a query like "give me all sources in this data archive that have been identified as quasars" and this limits the effective exploitation of these archives, as the user of an archive has no direct means of taking advantage of the knowledge derived by its previous users. The AstroDAbis service aims to address this, in a prototype service enabling astronomers to record annotations and cross-identifications in the AstroDAbis service, annotating objects in other catalogues. We have deployed two interfaces to the annotations, namely one astronomy-specific one using the TAP protocol}, and a second exploiting generic Linked Open Data (LOD) and RDF techniques.

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