Chapter 1 Towards Personal, Social, and Urban Awareness ...... 1 Bin Guo, Northwestern Polytechnical University, China Yunji Liang, Northwestern Polytechnical University, China Zhu Wang, Northwestern Polytechnical University, China Zhiwen Yu, Northwestern Polytechnical University, China Daqing Zhang, TELECOM SudParis, France Xingshe Zhou, Northwestern Polytechnical University, China

Section 2 Personal Awareness

Chapter 2 Activity Recognition Using Ubiquitous Sensors: An Overview...... 22 Yunji Liang, Northwestern Polytechnical University, China Xingshe Zhou, Northwestern Polytechnical University, China Bin Guo, Northwestern Polytechnical University, China Zhiwen Yu, Northwestern Polytechnical University, China Chapter 3 Opportunistic Detection Methods for Emotion-Aware Smartphone Applications ...... 53 Igor Bisio, University of Genoa, Italy Alessandro Delfino, University of Genoa, Italy Fabio Lavagetto, University of Genoa, Italy Mario Marchese, University of Genoa, Italy

Chapter 4 Service Discovery with Personal Awareness in Smart Environments ...... 86 Kobkaew Opasjumruskit, Friedrich Schiller University Jena, Germany Jesús Expósito, Friedrich Schiller University Jena, Germany Birgitta König-Ries, Friedrich Schiller University Jena, Germany Andreas Nauerz, IBM Germany Research and Development GmbH, Germany Martin Welsch, Friedrich Schiller University Jena, Germany & IBM Germany Research and Development GmbH, Germany

Chapter 5 Architecture Pattern for Context-Aware Smart Environments ...... 108 Viktoriya Degeler, University of Groningen, The Netherlands Alexander Lazovik, University of Groningen, The Netherlands

Chapter 6 Design Aspects and Context Awareness in Pervasive Games ...... 131 Vlasios Kasapakis, University of the Aegean, Greece Damianos Gavalas, University of the Aegean, Greece

Section 3 Social Awareness

Chapter 7 Community Detection and Profiling in Location-Based Social Networks ...... 158 Zhu Wang, Northwestern Polytechnical University, China Xingshe Zhou, Northwestern Polytechnical University, China Daqing Zhang, TELECOM SudParis, France Bin Guo, Northwestern Polytechnical University, China Zhiwen Yu, Northwestern Polytechnical University, China

Chapter 8 Social Cars: Sensing, Gathering, Sharing, and Conveying Social Cues to Road Users...... 176 Ronald Schroeter, Queensland University of Technology, Australia Alessandro Soro, Queensland University of Technology, Australia Andry Rakotonirainy, Queensland University of Technology, Australia Chapter 9 Challenges for Personal Data Stream Management in Smart Buildings ...... 201 Dennis Geesen, University of Oldenburg, Germany H. Jürgen Appelrath, University of Oldenburg, Germany Marco Grawunder, University of Oldenburg, Germany Daniela Nicklas, University of Oldenburg, Germany

Chapter 10 News Recommendation for China Sina Weibo Microblog Service Based on User . Social Behaviors ...... 220 Zuo Yuchu, Sun Yat-sen University, China You Fang, Sun Yat-sen University, China Wang Jianmin, Sun Yat-sen University, China Zhou Zhengle, Sun Yat-sen University, China

Section 4 Urban Awareness

Chapter 11 Human Mobility Patterns ...... 245 Ali Diab, Al-Baath University, Syria & Ilmenau University of Technology, Germany Andreas Mitschele-Thiel, Ilmenau University of Technology, Germany

Chapter 12 Spatial Relations in Contextual Information for Mobile Emergency Messaging ...... 274 Alaa Almagrabi, Latrobe University, Australia & King Abdulaziz University, Saudi Arabia Seng W. Loke, Latrobe University, Australia Torab Torabi, Latrobe University, Australia

Chapter 13 Understanding Urban Dynamics from Taxi GPS Traces ...... 299 Lin Sun, TELECOM SudParis, France Chao Chen, TELECOM SudParis, France Daqing Zhang, TELECOM SudParis, France

Chapter 14 User-Centric Social Interaction for Digital Cities ...... 318 Kåre Synnes, Luleå University of Technology, Sweden Matthias Kranz, University of Passau, Germany Juwel Rana, Luleå University of Technology, Sweden Olov Schelén, Luleå University of Technology, Sweden Section 5 Conclusion

Chapter 15 Research Challenges for Personal and Collective Awareness ...... 348 Daniele Riboni, University of Milano, Italy Rim Helaoui, University of Mannheim, Germany

Compilation of References...... 361

About the Contributors...... 401

Index...... 410

Table of Contents