Wagner, Joachim - 2024 - This version: April 30, 2024
already available (instead of newly collected) data. These data have to be reliable, accessible (at best, without high hurdles …, and with low or no fees to be paid) and findable. One way that helps to find suitable data that are easily accessible (and … hopefully reliable) is to look at the contributions published in the Data Observer series described in this paper. …