S. Auer, M. Weidl, J. Lehmann, A. Zaveri, and K. Choi. Proceedings of the 9th International Semantic Web Conference (ISWC2010), Berlin / Heidelberg, Springer, (2010)
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.
S. Hellmann, J. Lehmann, S. Auer, and M. Nitzschke. EKAW, page 446--449. (2012)published at EKAW, preprint http://jens-lehmann.org/files/2012/ekaw_nif_combinator.pdf.