Hurtado, C.A. and Poulovassilis, Alexandra and Wood, Peter T. (2009) Ranking approximate answers to semantic web queries. In: Aroyo, L. and Traverso, P. and Ciravegna, F. and Cimiano, P. and Heath, T. and Hyvonen, E. and Mizoguchi, R. and Oren, E. and Sabou, M. and Simperl, E. (eds.) The Semantic Web: Research and Applications. Lecture Notes In Computer Science 5554. Berlin, Germany: Springer, pp. 263-277. ISBN 9783642021206.

Amalfi, M. and Lo Presti, K. and Provetti, Alessandro and Salvetti, F. (2006) Finding instances of deduction and abduction in clinical experimental transcripts. In: Brewka, G. and Coradeschi, S. and Perini, A. and Traverso, P. (eds.) 17th European Conference on Artificial Intelligence: ECAI 2006. IOS Press 141. Frontiers in Artificial Intelligence and Applications, pp. 737-738. ISBN 9781586036423.