From Spatial Data Infrastructures to Data Spaces - A Technological Perspective on the Evolution of European SDIs. - Alexander Kotsev; Marco Minghini; Robert Tomas; Vlado Cetl; Michael Lutz (ISPRS Int. J. Geo Inf., 2020)

INSPIRE: The Entry Point to Europe's Big Geospatial Data Infrastructure. - Marco Minghini; Vlado Cetl; Alexander Kotsev; Robert Tomas; Michael Lutz (CoRR, 2021)