Georgios M. Santipantakis, Konstantinos I. Kotis, George A. Vouros. Accessing and reasoning with data from disparate data sources using modular ontologies and OBDA. In Axel Polleres, Tassilo Pellegrini, Sebastian Hellmann, Josiane Xavier Parreira, editors, Proceedings of the 11th International Conference on Semantic Systems, SEMANTICS 2015, Vienna, Austria, September 15-17, 2015. pages 41-48, ACM, 2015. [doi]