There are nowadays some irrevocable trends implying that science will open. As regards to data, this implies that sharing instead of owning will become the default. However, there are almost no incentives (but mostly rules & obligations) to make data available and shareable. Seamless facilities for researchers to share data are much needed, and credits need to be attributed when data are re-used. Europe is developing a Cloud infrastructure where data can be shared and reused. In order to achieve…