HappyCruise - Integrated Information System of personalized information and security in the tourism industry. - Konstantinos I. Kotsopoulos; George Pavlidis; Emmanouil Viennas; Evdoxios Baratis; Georgia Giannopoulou; Alexandros Papadopoulos; Manos Spilios; Paraskevi Alexogianni; Evangelos Sakkopoulos (IISA, 2022)