The technical meeting of WP4 of the H2020 CORNET project was held on February 16th and 17th 2018 at University of Ioannina (Ioannina, Greece), with the participation of Stergios Logothetidis (Aristotle University of Thessaloniki-Coordinator) , Alexandra Stamateri (AUTh), Elefterios Lidorikis (UOI), Dimitrios Papageorgiou (UOI), Charalampos Trapalis (UOI), Maria Andrea(UOI), Ioannis Vangelidis (UOI).