Towards Efficient and Scalable Data-Intensive Content Delivery: State-of-the-Art, Issues and Challenges. - Irene Kilanioti; Alejandro Fernández-Montes; Damián Fernández-Cerero; Anthony Karageorgos; Christos Mettouris; Valentina Nejkovic; Nikolas Albanis; Rabih Bashroush; George A. Papadopoulos (High-Performance Modelling and Simulation for Big Data Applications, 2019)