1. Bex, G.J., Neven, F., Schwentick, T., Tuyls, K.: Inference of concise DTDs from XML data. In: VLDB, pp. 115–126. ACM (2006)
2. Bizer, C., Heath, T., Berners-Lee, T.: Linked data - the story so far. Int. J. Semant. Web Inf. Syst.(IJSWIS) 5(3), 1–22 (2009)
3. Lecture Notes in Computer Science;M Brambilla,2012
4. Hitzler, P., Krotzsch, M., Rudolph, S.: Foundations of Semantic Web Technologies. CRC Press, New York (2010)
5. Lecture Notes in Computer Science;JL Cánovas Izquierdo,2013