Data is becoming more and more of a commodity, so that it is not surprising that data has reached the status of tradable goods. An increasing number of data providers is recognizing this and is consequently setting up platforms that deserve the term 'marketplace' for data. We identify several categories and dimensions of data marketplaces and data vendors and provide a survey of the current situation.
['Florian Stahl', 'Fabian Schomm', 'Gottfried Vossen']
Marketplaces for data: An initial survey