Ferretti, L.., F.. Longo, M.. Colajanni, G.. Merlino, and N.. Tapas,  "Authorization Transparency for Accountable Access to IoT Services",  2019 IEEE International Congress on Internet of Things (ICIOT), pp. 91-99, 2019.

Tapas, N.., G.. Merlino, F.. Longo, and A.. Puliafito,  "Blockchain-Based Publicly Verifiable Cloud Storage",  2019 IEEE International Conference on Smart Computing (SMARTCOMP), pp. 381-386, 2019.

Tapas, N.., F.. Longo, G.. Merlino, and A.. Puliafito,  "Transparent, Provenance-assured, and Secure Software-as-a-Service",  2019 IEEE 18th International Symposium on Network Computing and Applications (NCA), pp. 1-8, 2019.