Mark Michael Hall 0 Marijn Koolen Vivien Petras 0 0 Aalborg University Copenhagen University of British Columbia University of British Columbia Humboldt-Universitat zu Berlin, Berlin School of Library and Information Science Martin-Luther Universitat Halle-Wittenberg, Institut fur Informatik Huygens Institute for the History of the Netherlands Humboldt-Universitat zu Berlin, Berlin School of Library and Information Science Oslo Metropolitan University Aalborg University