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Big Data is a term describing the continuous increase in data, and the technologies needed to collect, store, manage, and analyse it. It is a complex and multidimensional phenomenon, impacting people, processes and technology. From a technology point of view, Big Data encompasses hardware and software that integrate, organize, manage, analyse, and present data which is characterized by "four Vs": volume (size of the data sets), velocity (high speed of data processing), variety (different types and sources of data used), and veracity (high quality of analysed data).

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Big Data in Earth Observation

Thanks to technological breakthroughs in Earth observation, businesses and public agencies are now collecting data points at all times, from an ever-increasing number of sensors connected, all over our planet thanks to satellite observation.