Sven Groppe Paulo Rupino da Cunha Semantic and Web: The Web Part 1-3 2015 Open Journal of Web Technologies (OJWT) 2 1 https://www.ronpub.com/ojwt/OJWT_2015v2i1n01e_Groppe.html http://nbn-resolving.de/urn:nbn:de:101:1-201705194864 urn:nbn:de:101:1-201705194864 RonPub UG (haftungsbeschränkt)