How open are open cultural data? Some critical remarks on an ongoing discussion

The following address was given as the opening reception by Prof. Dr. Gertraud Koch, University of Hamburg, at the "Sharing is Caring - Hamburg Extension" conference on collaboration in the GLAM sector (galleries, libraries, archives, museums), a joint event by the Museum für Kunst und Gewerbe Hamburg and the University of Hamburg, on April 20, 2017. For the video documentation see https://lecture…