Keynote Speakers

Paolo Atzeni
Head of Department of Engineering, Informatics and Automation, Universita Roma Tre, Italy

Keynote on: Data Modeling in the NoSQL World
Abstract: NoSQL systems have gained their popularity for many reasons, including the flexibility they provide in organizing data, as they relax the rigidity provided by the relational model and by the other structured models. This flexibility and the heterogeneity that has emerged in the area have led to a little use of tradi- tional modeling techniques, as opposed to what has happened with databases for decades. We argue how traditional notions related to data modeling can be useful in this context as well, for two main reasons. First, given that there are some principles that apply to most NoSQL systems despite the significant heterogeneity, data models provide a basis to the definition of generic approaches to logical and physical design. Second, as the variety of systems and models can create difficulties in developers and in their organizations, they leverage the search for standardization and uniform access.

Biography: Paolo Atzeni is Database Professor and Head of the Department of Engineering at Universita Roma Tre. He received his Dr. Ing. degree in Electrical Engineering from Universita di Roma "La Sapienza" in 1980. Before joining Universita Roma Tre, he was with IASI-CNR in Rome, then a faculty member at Universita di Napoli and later a professor at Universita di Roma La Sapienza. He also had visiting appointments at the University of Toronto, at Universita dell'Aquila and at Microsoft Research.
He has worked on various topics in the database field, including relational database theory, conceptual models and design tools, deductive databases, databases and the Web, model management, cooperation of database systems. He is the founder of the database group at Roma Tre, which includes five faculty members and various postdocs and students. They collaborate with various groups in Italy and abroad, on topics that include data models, data warehouses, data in the Web world.
He was trustee and the vice-president of the VLDB Endowment and he is currently a member of the Executive Board of the EDBT Association, of which he is also past President. He is WebDB founder.

Sebastiano Battiato
Department of Mathematics and Computer Science, University of Catania, Italy

Keynote on: Multimedia Forensics: discovering the history of multimedia contents. Recent trends and perspectives
View abstract

Biography: Sebastiano Battiato received his degree in computer science (summa cum laude) in 1995 from University of Catania and his Ph.D. in computer science and applied mathematics from University of Naples in 1999. From 1999 to 2003 he was the leader of the "Imaging" team at STMicroelectronics in Catania. He joined the Department of Mathematics and Computer Science at the University of Catania as assistant professor in 2004 and became associate professor in the same department in 2011. His research interests include image enhancement and processing, image coding, camera imaging technology and multimedia forensics. He has edited 6 books and co-authored about 200 papers in international journals, conference proceedings and book chapters. Guest editor of several special issues published on International Journals. He is a co-inventor of 22 international patents, reviewer for several international journals, and he has been regularly a member of numerous international conference committees. Prof. Battiato has participated as principal investigator in many international and national research projects. Chair of several international events (ACIVS 2015, VAAM2014-2015, VISAPP2012-2015, IWCV2012, ECCV2012, ICIAP 2011, ACM MiFor 2010-2011, SPIE EI Digital Photography 2011-2012-2013, etc.). He is an associate editor of the SPIE Journal of Electronic Imaging. He is the recipient of the 2011 Best Associate Editor Award of the IEEE Transactions on Circuits and Systems for Video Technology. He is director (and co-founder) of the International Computer Vision Summer School (ICVSS), Sicily, Italy. He is a senior member of the IEEE.

Dimitar Jetchev
Section des Mathematiques SMA , Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland

Keynote on: Secure operations on encrypted data for the cloud
Abstract: Securing data for the cloud is a major problem of study in cryptography and security. After reviewing basic cryptographic techniques for securing data for the cloud, we will discuss main open problems on how to efficiently operate on the encrypted data, going one step further from encryption. One of the basic operations we will look at is encrypted search in such a way that the cloud sees no information about the search query or the returned result. The goal of the talk will be to review basic cryptographic techniques for achieving secure search on encrypted data. Finally, we will discuss various applications in the healthcare industry as well as in other industries where sensitive data needs to be searched securely.

Biography: Dimitar Jetchev is a Swiss National Science Foundation Professor in number theory, arithmetic algebraic geometry and mathematical cryptology at SMA, EPFL. I completed my PhD in number theory and arithmetic geometry at the University of California, Berkeley in 2008 under the supervision of Prof. Ken Ribet. I was then a post-doc at IHES, Bures-sur-Yvette as well as the Laboratory for Cryptologic Algorithms, LACAL at EPFL.

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