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IVOA Provenance data model: hints from the CTA Provenance prototype

We present the last developments on the IVOA Provenance data model, mainly based on the W3C PROV concept. In the context of the Cherenkov astronomy, the data processing stages imply both assumptions and comparison to dedicated simulations. As a consequence, Provenance information is crucial to the end user in order to interpret the high level data products. The Cherenkov Telescope Array (CTA), currently in preparation, is thus a perfect test case for the development of an IVOA standard on Provenance information. We describe general use-cases for the computational Provenance in the CTA production pipeline and explore the proposed W3C notations like PROV-N formats, as well as Provenance access solutions.

preprint2016arXivOpen access
Michèle SanguillonMathieu ServillatMireille LouysFrançois BonnarelCatherine BoissonJohan Brégeon
astro-ph.IM
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Michèle SanguillonMathieu ServillatMireille LouysFrançois BonnarelCatherine BoissonJohan Brégeon

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