S. Hellmann, J. Lehmann, and S. Auer. EKAW 2012, Springer, (2012)published at EKAW, preprint: http://svn.aksw.org/papers/2012/NIF/EKAW_short_paper/public.pdf.
L. Bühmann, D. Fleischhacker, J. Lehmann, A. Melo, and J. Völker. Knowledge Engineering and Knowledge Management, volume 8876 of Lecture Notes in Computer Science, page 42-53. Springer International Publishing, (2014)