RonPub UG (haftungsbeschränkt) http://www.ronpub.com Almudena Sierra-Alonso Belén Vela Carlos E. Cuesta José María Cavero Miguel Ángel Garrido Paloma Cáceres Adding Semantics to Enrich Public Transport and Accessibility Data from the Web 1-18 2020 Open Journal of Web Technologies (OJWT) 7 7 http://nbn-resolving.de/urn:nbn:de:101:1-2020011918333806107393 https://www.ronpub.com/ojwt/OJWT_2020v7i1n01_Caceres.html https://www.ronpub.com/OJWT_2020v7i1n01_Caceres.pdf