RonPub UG (haftungsbeschränkt) http://www.ronpub.com Fabio Grandi Introductory Editorial 1-2 2014 Open Journal of Databases (OJDB) 1 1 http://nbn-resolving.de/urn:nbn:de:101:1-201705194557 https://www.ronpub.com/ojdb/OJDB-v1i1n01_Grandi.html https://www.ronpub.com/OJDB-v1i1n01_Grandi.pdf