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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Valentijn, Edwin
University of Groningen
in Cooperation with on an Cooperation-Score of 37%
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document
Data Validation Beyond Big Data
Abstract
From KiDsto Euclid OU-Extto Eucliddata validation.For the OmegaCAM@VSTdatahandling we have buildand operated the distributed information system Astro-WISE. Astro-WISE was successfully used for the processing of KiDS data and particularly its built in extreme data-lineage facilitated the quality control and re-processing of the data with improved calibrationsand improved code.Many of the aspects of the Astro-WISE approach will be applied in the data centric information systembeing build for the data processing for the Euclid satellite. However, the large amounts of data from Euclid in combination with the required much higher accuracies and danger of plural hidden systematics and biasesforces to anticipatea new erabeyond the Big data hype: data validation.In popular terms discriminating facts and fakes.I will discuss some new steps towards advanced data validation, such asbuild in dynamical reference systems in theOU-Ext approach,the validation of and by machine learning,and applying extreme data lineage to trace the roots and dependenciesof data products.