The need for Standards when building Virtual Observatories

Details The need for Standards when building Virtual Observatories The need for Standards when building Virtual Observatories

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm21a2002b&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SM21A-2002

Astronomy and Astrophysics

Astrophysics

[1904] Informatics / Community Standards, [1916] Informatics / Data And Information Discovery, [5499] Planetary Sciences: Solid Surface Planets / General Or Miscellaneous, [7599] Solar Physics, Astrophysics, And Astronomy / General Or Miscellaneous

Scientific paper

The Heliophysics Integrated Observatory, HELIO, has been established based on a service-oriented architecture (SAO) under which the required capabilities are provided as set of independent services that can be used and combined as required. The main services fall into two general groups: identifying interesting events and phenomena and locating and retrieving suitable observations; there are also a number of enabling services such as the Registry, processing and storage services, coordinate transformation, etc. The HELIO services can be addresses through SOAP and REST interfaces that are based on protocols developed by the IVOA; for several services Web GUIs are also provided. Most services can produce outputs in a number of formats although the preferred one is VOTable, another product of the IVOA. It is important that projects are able to build on each other's services. By developing and employing standards, some services of HELIO are of immediate use to other projects while other could be with some modifications. Adopting the VOTable format has meant that it is possibly to fully describe each parameter in the table using annotation, unambiguously defining what the parameter represents. This approach makes it simpler for a service from a different domain to use the products of HELIO; the same ought to be true for other projects. In this paper we will present what has been achieved so far and how this can help define and refine a broader set of protocols. Some of this work is being done in conjunction with the CASSIS project that is trying to encourage the adoption of standards to increase the interoperability between domains. The HELIO and CASSIS projects are funded under the European Commission's Seventh Framework Programme (FP7).

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