Prof. Wojciech Cellary attended a conference The 8th International Conference on Theory and Practice of Electronic Governance „The Rise of Data Post-2015 – Empowered Citizens, Accountable Institutions” ICEGOV 2014, which took place in Guimaraes (Portugal). Prof. Cellary gave an invited keynote speech entitled „Strategic Impact of Cloud Computing on the Public Sector”, he also participated in a panel discussion following the lecture.