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      <title-group>
        <article-title>Preface</article-title>
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      <abstract>
        <p>Pervasive and mobile technologies are one of the leading computing paradigms of the future. Transitioning from the world of personal computing, powerful, compact devices are distributed across the user's environment, enabling the contextualized enrichment of business processes with the ability to sense, process and combine data and forming smart environments of Ambient Intelligence (AmI). This interconnection of devices, machines and “things” enables the dynamic generation, analysis and communication of multiple data types so that the operational efficiency and effectiveness of existing business processes are increased. However, the integration of devices and services to deliver intelligent solutions, in the socalled Internet of Things (IoT), may have been partially addressed with open platforms (FIWARE, Kaa, Linked Sensor Middleware), but yet imposes further challenges, relevant not only to the heterogeneity of communication protocols and interfaces, but also to the diverse context-aware information exchange and processing capabilities. The SEMPER workshop aims to address emerging challenges in the field, discussing the benefits and limitations of applying Semantic Web technologies, with a special emphasis on semantic interoperability, context-aware modelling, hybrid reasoning schemes and intelligent decision making, real-time analytics, fusion of data sources and leveraging Big Data, sensor integration and reference platforms.</p>
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      <title>-</title>
      <p>Dr. Georgios Meditskos, Information Technologies Institute, Centre for Research and
Technology Hellas, Greece
Dr. Thanos G. Stavropoulos, Information Technologies Institute, Centre for Research and
Technology Hellas, Greece
Dr. Antonis Bikakis, Department of Information Studies at University College London, UK
Program Committee</p>
    </sec>
    <sec id="sec-2">
      <title>Grigoris Antoniou, University of Huddersfield, UK</title>
      <p>Nick Bassiliades, Aristotle University of Thessaloniki, Greece</p>
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    <sec id="sec-3">
      <title>Sotiris Batsakis, University of Huddersfield, UK</title>
    </sec>
    <sec id="sec-4">
      <title>Francois Bremond, INRIA Sophia Antipolis, France</title>
      <p>Ceyhun Burak Akgul, Vispera Information Technologies, Turkey
Oscar Corcho, Universidad Politecnica de Madrid, Spain
Luca Costabello, Fujitsu Linked Data Research Team, Ireland</p>
    </sec>
    <sec id="sec-5">
      <title>Carlos Crispim-Junior, INRIA Sophia Antipolis, France</title>
    </sec>
    <sec id="sec-6">
      <title>Stamatia Dasiopoulou, Pompeu Fabra University, Spain</title>
    </sec>
    <sec id="sec-7">
      <title>Anna Fensel, University of Innsbruck, Austria</title>
      <p>Nikolaos Georgantas, INRIA Paris-Rocquencourt, France</p>
    </sec>
    <sec id="sec-8">
      <title>Elias Karle, University of Innsbruck, Austria</title>
      <p>Ioannis Kompatsiaris, Centre for Research and Technology Hellas, Greece
Efstratios Kontopoulos, Centre for Research and Technology Hellas, Greece
Kostis Kyzirakos, Centrum Wiskunde &amp; Informatica, Netherlands
Lionel Medini, Universite Claude Bernard Lyon 1, France</p>
    </sec>
    <sec id="sec-9">
      <title>Theodore Patkos, FORTH, Greece</title>
    </sec>
    <sec id="sec-10">
      <title>John Soldatos, Athens Information Technology, Greece</title>
      <p>Ahmet Soylu, Norwegian University of Science and Technology, Norway
Giorgos Stamou, National Technical University of Athens, Greece
Giorgos Stoilos, National Technical University of Athens, Greece</p>
    </sec>
    <sec id="sec-11">
      <title>Kåre Synnes, Luleå University of Technology, Sweden</title>
      <p>Athena Vakali, Aristotle University of Thessaloniki, Greece</p>
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