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Keynote Lectures

Anthony C. Boucouvalas, University of Peloponnese, Greece
          Title: Integrating Retail and e-Commerce using Web Analytics and intelligent Sensors

Eleni Karatza, Aristotle University of Thessaloniki, Greece
          Title: Cloud Computing – State-of-the-Art and Future Research Trends

Andrew Moore, University of Cambridge, United Kingdom
          Title: Future SDN: Reconfiguration Heartland, Challenge and Revolution

John Domingue, The Open University, United Kingdom
          Title: Connecting Services to the Web of Data



Integrating Retail and e-Commerce using Web Analytics and intelligent Sensors

Anthony C. Boucouvalas
University of Peloponnese

Brief Bio
A.C. Boucouvalas, is a Professor in Communication Networks and Applications at the University of Peloponnese, in Tripoli, Greece. He is the director of the Communication Networks and Applications Laboratory and he is Visiting Professor at Northumbria University UK. He has been Head of the Telecommunications Department from 2009-2013. He was a Professor in Multimedia Communications and Director of the Microelectronics and Multimedia Communications Research Centre of Bournemouth University until 2006. He has been actively involved with research in various aspects of fibre optic communications, wireless communications and multimedia, and has an accumulated 30 years working experience in well known academic and industrial research centres. He has 11 years industrial research experience having worked for Hewlett Packard Laboratories and GEC Hirst Research Centre in the UK. Professor Boucouvalas' research spans a wide range of topics in Communications and Multimedia, both from the theoretical as well as the practical points of view. His recent work has been directed toward communication protocol problems arising from various areas of wireless communication, expressive internet communications, effective human computer interfaces and inverse fibre optic problems. His work is supported by research grants and contracts from European Union and industrial organisations. Professor Boucouvalas has published over 311 papers in learned journals.

The consumer has a choice to shop on-line from home via a browser or mobile app or go alternatively in person to a store and accomplish a shopping goal. The latter is usually without the need of any on-line device. The two approaches are not integrated into one system. The consumer always seeks value for money to satisfy his need, also to be inspired and to have a great uplifting shopping experience. The store requires increasing profits while trying to excel in satisfying any customer requirement. The future customer will always be connected. The customer will enjoy a shopping experience, receiving personalized services leading to building loyalty and trust with the shop. This vision of the future is based on the interplay of a set of technologies which will combine the interaction of mobile data with store items in real time. This merging not only must it work well, but also be well optimized. The talk will cover the marriage of the local store together with the store electronic presence (e-shop) into one whole, smoothly operating system, from both the administrator of the system point of view and the customer. We envisage developments in physical shopping where sensors intelligently will interact, using a number of devices and techniques to assist this process, such as mobile phones or other devices using audio directions. A real time customer servicing system will be coupled to the e-shop system of the company business. The use of web Analytics and user profiling is crucial to e-shopping in identifying customer profiles and to offer vital statistics to the management for the state of the business as well as traffic, speed, throughput diagrams and faults of the e-shop in need of improvement. The talk will describe an architecture we envisage for this holistic system of managing both e-shop as well as physical shop offering good prospects for profitable management for a 24/7 service. The system requirements for real time or near real time Analytics also for the physical shopping mode, sets new requirements for the sensory interpretation and data fetching/pushing into devices. A real time customer servicing application must immediately provide offers and discounted articles in conjunction with the location of the customer in the store. Since the lifetime of the customer needs is short, the system must identify the customer profile, guess the customer need, process the need and push for an inspiring solution to this need to the customer device, before the customer has walked passed this product range, ideally. The talk will describe the status of our architecture for integrated shopping, our research on Web Analytics, Intelligent sensing and other complementary technologies and applications required for shopping experiences of the future.



Cloud Computing – State-of-the-Art and Future Research Trends

Eleni Karatza
Aristotle University of Thessaloniki

Brief Bio
Eleni Karatza is a Professor in the Department of Informatics at the Aristotle University of Thessaloniki, Greece. Dr. Karatza's research interests include Computer Systems Modeling and Simulation, Performance Evaluation, Grid and Cloud Computing, Energy Efficiency in Large Scale Distributed Systems, Resource Allocation and Scheduling and Real-time Distributed Systems.

Professor Karatza has authored or co-authored over 180 technical papers and book chapters including four papers that earned best paper awards at international conferences. She is senior member of IEEE, ACM and SCS, and she served as an elected member of the Board of Directors at Large of the Society for Modeling and Simulation International (2009-2011). She has served as Program Chair and Keynote Speaker in International Conferences.

Professor Karatza is the Editor-in-Chief of the Elsevier Journal "Simulation Modeling Practice and Theory", Area Editor for Computer Systems and Networks of the "Journal of Systems and Software" of Elsevier, and she has been Guest Editor of Special Issues in multiple International Journals.http://agent.csd.auth.gr/~karatza/

Clouds have been very popular, and their performance becomes more important due to the increase of users and applications. Currently, many enterprises are adopting Clouds to achieve high performance for their applications at low costs.

Because of the nature of these systems, there are important issues that must be addressed, such as: resource allocation, efficient scheduling, energy conservation, reliability, security and trust, cost, availability, quality. Effective management of cloud resources is crucial to use effectively the power of these systems and achieve high system performance. Furthermore, software structures that best exploit clouds capabilities while providing applications compatibility should be examined.

Cloud computing is a concept that has emerged from grid computing; it provides users the ability to acquire computational resources on demand from its virtually infinite pool on a pay-as-you-go basis.
The cloud computing paradigm can offer various types of services, such as computational resources for HPC applications, web services, social networking, etc. Resource allocation and scheduling is a difficult task in clouds where there are many alternative heterogeneous computers. If cloud computing is going to be used for HPC, appropriate methods must be considered for allocating resources to user requests efficiently, VM scalability, as well as effectively scheduling the tasks. The scheduling algorithms must seek a way to maintain a good response time to leasing cost ratio. Furthermore, adequate data security and availability are critical issues that have to be considered along with energy-efficient solutions that are required to minimize the impact of cloud computing on the environment.



Future SDN: Reconfiguration Heartland, Challenge and Revolution

Andrew Moore
University of Cambridge
United Kingdom

Brief Bio

Andrew W. Moore is a Senior Lecturer at the University of Cambridge Computer Laboratory in England, where he jointly leads the Systems Research Group working on issues of network and computer architecture. His research interests include enabling open-network research and education using theNetFPGA platform, other research pursuits include software-hardware co-design, low-power energy-aware networking, and novel network and systems data-center architectures. Andrew jointly leads theNetFPGA project providing an Open-Source reconfigurable hardware/software platform for networking research and teaching, he has been principal investigator on research grants from the EPSRC (part of the UK research council), DARPA, and NSF as well as collaborations with industry partners Cisco, Xilinx, Netronome, and Solarflare.  Andrew is a member of the IEEE, ACM, USENIX and a Chartered Engineer by the IET (formerly the IEE).

In the context of network systems I will discuss the limits of reconfigurable systems. To this end, I will draw on examples from architectural trends, the silicon roadmap in a post Moore's law era, along with recent directions in future networking. I will then set out to map the current and future edges of reconfigurable systems in networking. In this talk I will discuss the state and future of SDN, showing how reconfiguration is an essential function of all networks. The role of reconfiguration has evolved from a prototyping technology to incorporate control technologies, and beyond this to hybrid host systems, adaptive interface design and use in the control of future network-transmission systems. As network reconfiguration must, by necessity, match the needs of both user and implementer, the emergence of SDN has, for reconfigurable systems, led to a new class of domain specific languages, a renewed interest in functional languages, and an ever-wider user base. I conclude with a discussion of current systems and ideas as future predictors for technologies beyond 100Gb/s. In particular I will talk to the opportunities enabled by tighter photonic integration. This is alongside a forecast of how technologies, limitations, and usage will impacts the future of networking reconfiguration.



Connecting Services to the Web of Data

John Domingue
The Open University
United Kingdom

Brief Bio

Prof. John Domingue is the Deputy Director of the Knowledge Media Institute at The Open University and the President of STI International, a semantics focused networking organization. He has published over 200 refereed articles in the areas of Artificial Intelligence and the Web and his current work is focused on how semantic technology can automate the management, development and use of Web services and on the relationship between Linked Data, rich media and education. Over the last decade John Domingue has served as the Scientific Director for three large European projects covering semantics, services, the Web and business process management. He current serves as Chair of the Steering Committee for the ESWC Conference Series. From 2008-2012 he served as a member of the Future Internet Assembly Steering Committee which helped coordinate the activities of over 150 EU projects with a combined budget of over 500M Euros. He is the Project Coordinator for two EU projects: FORGE which will connect Europe’s main Internet research and experimentation facilities to eLearning and Linked Data technologies and the European Data Science Academy which will increase the number of skilled data scientists within European industry. He is the founder and Director of the ESWC Summer and serves on the editorial board for the Journal of Web Semantics and the Applied Ontology Journal.


Over the last few years we have seen a rapid growth in the Web of Data where now statistics indicate that there are around 100 billion semantic statements available on the Web. Governments, especially the US and UK Governments, are producing hundreds of thousands of public datasets in machine readable form on the Web using Web standards such as RDF(S) and SPARQL. Major Web and Media players such as Google, Facebook, Yahoo!, Microsoft and the BBC are now using this technology. In this talk I will describe work that we have been carrying out in the area which we term "Linked Services" which seeks to connect the spheres of Linked Data and Web services to form a new global computing platform. I will illustrate the talk with a number of applications we have been involved.