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Keynote Lectures

Representation and Learning of Structured Dynamic Bayesian Models in Non Stationary Environments
Carlo Regazzoni, University of Genova, Italy

Directions in Security Research
Jan Camenisch, IBM Research - Zurich, Switzerland

Speeding up the execution of numerical computations and simulations with rCUDA
Jose Duato, UPV, Spain

Advances and Future Challenges in Machine Learning and Knowledge Extraction
Andreas Holzinger, Medical University Graz, Austria

Charalabos Skianis, University of the Aegean, Greece



Representation and Learning of Structured Dynamic Bayesian Models in Non Stationary Environments

Carlo Regazzoni
University of Genova

Brief Bio
Carlo S. Regazzoni (Ph.D.) is full professor of Cognitive Telecommunications Systems at DITEN, University of Genova, Italy. His main research interests include (see cognitive dynamic systems, adaptive and self-aware video processing, tracking and recognition, generative models and inference schemes based on hierarchical dynamic Bayesian networks, software and cognitive radio. He has been responsible of several national and EU funded research projects. He is currently coordinator of international PhD courses on Interactive and Cognitive Environments involving several European universities. He is author of peer-reviewed papers on international journals (90) and international conferences/books (350). He served as general chair (IEEE AVSS2009), technical program chair (IEEE ICIP2005, NSIP2002), associate editor (IEEE Trans on Image Processing, IEEE Trans on Mobile Computing, et al.), guest editor (Proceedings of the IEEE, IEEE Signal Processing Magazine et al.) in international conferences and Journals. He has served in many roles in governance bodies of IEEE SPS. He is currently serving as Vice President Conferences IEEE Signal Processing Society in 2015-2017.

A large part of current research in ICT is centred on terms like Internet of Things or Big Data, that are focused on the benefits that interconnected smart machines and intelligent industrial processes can have in our society. Enabling techniques that are underlying such processes aim towards an increased capability of adaptive and autonomous automation of physical and logical “Things”, that has as implication the definition of new computational paradigms and frameworks. A key role is here represented by probabilistic signal processing architectures and techniques for representation and learning. Such techniques have a sufficient maturity to be good candidates for capturing generality, self-awareness, adaptability, flexibility and reconfigurability through experience based learning that is needed to make it possible “Things” to adapt their behaviors in non stationary environments where they will have to operate. In this talk, Dynamic Bayesian models and related machine learning techniques will be presented and discussed. It will be shown that such techniques could be used within a Cognitive Dynamic System framework associated with “Ego-Things” i.e. self-aware smart objects adaptively performing computation driven tasks associated with their physical or logical actuation capability in non stationary environments. Applications examples will be presented dealing with crowd surveillance in smart buildings, and, more in general, with dynamic functionalities in cognitive environments composed by smart ego-objects.



Directions in Security Research

Jan Camenisch
IBM Research - Zurich

Brief Bio
Dr. Jan Camenisch is a Principal Research Staff Member at IBM Research - Zurich and leads the Privacy & Cryptography research team. He's a member of the IBM Academy of Technology and an IEEE Fellow.

He is a leading scientist in the area of privacy and cryptography, has published over 100 widely cited papers, and has received a number of awards for his work, including the 2010 ACM SIGSAC outstanding innovation award and the 2013 IEEE computer society technical achievement award.

Jan is also a co-inventor of Identity Mixer, a unique cryptographic protocol suite for privacy-preserving authentication and transfer of certified attributes.

Jan previously led the FP7 European research consortia PRIME and PrimeLife, and he and his team continue to participate in many other projects including ABC4Trust, AU2EU, and Witdom. Jan currently holds an Advanced ERC grant for "Personal Cryptography".


Our digital environment and the way we use it change rapidly. This poses a number of new security and privacy challenges and amplifies many known issues. In this talk, we identify and discuss some of these  challenges. We will then assess how and to what extend it would be possible to address these challenges today, identify some gaps and then provide future research directions towards closing these gaps.



Speeding up the execution of numerical computations and simulations with rCUDA

Jose Duato

Brief Bio

Jose Duato is Professor in the Department of Computer Engineering (DISCA) at the Technical University of Valencia.
His current research interests include interconnection networks, on-chip networks, and multicore and multiprocessor architectures. He published over 500 refereed papers. According to Google Scholar, his publications received more than 12,000 citations. He proposed a theory of deadlock-free adaptive routing that has been used in the design of the routing algorithms for the Cray T3E supercomputer, the on-chip router of the Alpha 21364 microprocessor, and the IBM BlueGene/L supercomputer. He also developed RECN, a scalable congestion management technique, and a very efficient routing algorithm for fat trees that has been incorporated into Sun Microsystem's 3456-port InfiniBand Magnum switch. Prof. Duato led the Advanced Technology Group in the HyperTransport Consortium, and was the main contributor to the High Node Count HyperTransport Specification 1.0. He also led the development of rCUDA, which enables remote virtualized access to GP-GPU accelerators using a CUDA interface.
Prof. Duato is the first author of the book "Interconnection Networks: An Engineering Approach". He also served as a member of the editorial boards of IEEE Transactions on Parallel and Distributed Systems, IEEE Transactions on Computers, and IEEE Computer Architecture Letters.

Prof. Duato was awarded with the National Research Prize in 2009 and the “Rey Jaime I” Prize in 2006.

This keynote will present some techniques to speed up the execution of numerical computations and simulations, with special emphasis on the use of hardware accelerators. The talk will present the architecture of the most popular accelerators currently in use, the implications for the programmers, and the main limitations of the current commercial implementations. The talk will also describe a recent technology for virtualizing accelerators that dramatically improves the utilization and effective computing power of those accelerators while reducing power consumption. Finally, the measured benefits in some real computing installations will be shown.



Advances and Future Challenges in Machine Learning and Knowledge Extraction

Andreas Holzinger
Medical University Graz

Brief Bio
Andreas Holzinger is lead of the Holzinger Group HCI–KDD, Institute for Medical Informatics & Statistics  at the Medical University Graz, and Associate Professor of Applied Computer Science at the Faculty of Computer Science and Biomedical Engineering at Graz University of Technology. Currently, Andreas is Visiting Professor for Machine Learning in Health Informatics at the Faculty of Informatics at Vienna University of Technology. He serves as consultant for the Canadian, US, UK, Swiss, French, Italian and Dutch governments, for the German Excellence Initiative, and as national expert in the European Commission. Andreas obtained a PhD in Cognitive Science from Graz University in 1998 and his Habilitation (second PhD) in Computer Science from Graz University of Technology in 2003. Andreas was Visiting Professor in Berlin, Innsbruck, London (twice), and Aachen. Andreas and his Group work on extracting knowledge from data and foster a synergistic combination of methodologies of two areas that offer ideal conditions towards unraveling problems with complex health data: Human-Computer Interaction (HCI) and Knowledge Discovery/Data Mining (KDD), with the central goal of supporting human intelligence with machine learning to discover novel, previously unknown insights into data. To stimulate crazy ideas at international level without boundaries, Andreas founded the international Expert Network HCI–KDD. Andreas is Associate Editor of Knowledge and Information Systems (KAIS), Associate Editor of Springer Brain Informatics (BRIN) and Section Editor of BMC Medical Informatics and Decision Making (MIDM). He is member of IFIP WG 12.9 Computational Intelligence, the ACM, IEEE, GI and the Austrian Computer Society. Home:
Publications see <link>

Today the problem are heterogeneous, probabilistic, high-dimensional and complex data sets. The challenge is to learn from such data to extract and discover knowledge, and to help to make decisions under uncertainty. In automatic machine learning (aML) great advances have been made, for example, in speech recognition, recommender systems, or autonomous vehicles. Automatic approaches greatly benefit from "big data" with many training sets. However, sometimes we are confronted with a small amount and complex data sets, where aML suffers of insufficient training samples. The application of such aML approaches in complex application domains such as health informatics seems elusive in the near future, and a good example are Gaussian processes, where aML (e.g. standard kernel machines) struggle on function extrapolation problems which are trivial for human learners. In such situations, interactive Machine Learning (iML) can be beneficial where a human-in-the-loop helps in solving computationally hard problems, e.g., subspace clustering, protein folding, or k-anonymization of health data, where the knowledge and experience of human experts can help to reduce an exponential search space through heuristic selection of samples. Therefore, what would otherwise be an NP-hard problem reduces greatly in complexity through the input and the assistance of a human agent involved in the learning phase. ML is a fast growing and very practical field with many business applications and much open research challenges, particularly in multi-task learning, transfer learning and hybrid multi-agent systems with humans-in-the-loop. Consequently, successful ML needs a concerted effort, fostering integrative research between experts ranging from diverse disciplines from data science to visualization and tackling complex challenges needs both disciplinary excellence and a cross-disciplinary skill-set and international joint work without any boundaries.



Next Generation Emergency Communications

Charalabos Skianis
University of the Aegean

Brief Bio
Dr. Charalabos Skianis is currently an Associate Professor with the University of the Aegean, Greece. He is acting as Head of the Department and Director od Postgraduate Studies in the Engineering Department of Information and Communication Systems, University of the Aegean, Greece. He holds a PhD degree in Computer Science, University of Bradford, United Kingdom and a BSc in Physics, Department of Physics, University of Patras, Greece. His current research activities take upon Novel Internet Architectures and Services, Cloud Computing & Networking, Energy & Context aware Next Generation Networks and Services, management aspects of mobile and wireless networks, ubiquitous and pervasive computing and End-to-End Quality of Service provisioning in heterogeneous networks environment. He has been actively working on the area of computer and communication systems performance modeling and evaluation where he has introduced alternative methodologies for the approximate analysis of certain arbitrary queuing network models. He is also keen in traffic modeling and characterization, queuing theory and traffic control of wired and wireless telecommunication systems. His work is published in journals, conference proceedings and as book chapters and has also been presented in numerous conferences and workshops. He acts within Technical Program and Organizing Committees for numerous conferences and workshops and as a Guest Editor for scientific journals. He is at the editorial board of journals, a member of pronounced professional societies and an active reviewer for several scientific journals. He is an active member of several committees and organizations eg., past IEEE ComSoc CSIM chair, education board, young researcher awards board, currently responsible for DLT program for EMEA region. He has participated in several R&D projects Nationally and EU funded and has acted as project coordinator, technical manager and partner representative.

Current emergency systems and 112 services are based on legacy telecommunication technologies, which cannot cope with IP-based services that European citizens use every day. Some of the related limitations are the partial media support (so far, only voice calls and SMS are accepted), the lack of integration of social media, and the use of an analogue modem for providing e-Call services with limited data amount. As most operators, have started migrating towards broadband IP-based infrastructures, current emergency systems need also to be upgraded/adapted to fulfil regulatory requirements in terms of Next Generation emergency services. 
Τhe main objective of the talk is the design and implementation of a Next Generation platform capable of accommodating rich-media emergency calls that combine voice, text, and video, thus constituting a powerful tool for coordinating communication among citizens, call centres and first responders. Additionally, issues such as call routing/redirection to the closest available call centre, retrieval of the caller location, hoax calls prevention, support for people with disabilities, and integration of social media will be addressed. The talk will address solutions that enable users to make emergency calls across heterogeneous devices (e.g. PCs, TV sets, mobile, AAC and haptic devices) using various mature technologies, including those making use of the Session Initiation Protocol (SIP), the IP Multimedia Subsystem (IMS), and WebRTC framework. Suitable use cases will also showcase how the e-Call concept can benefit from the IP technologies by allowing audio-video calls towards the emergency call centres and complementing location information, with photos and videos.