International conference proceedings.

Includes bibliographical references and author index.

Effects of Variations in 3D Spatial Search Techniques on Mobile Query Speed vs. Accuracy / Junjun Yin and James D. Carswell -- ARCAMA-3D - A Context-Aware Augmented Reality Mobile Platform for Environmental Discovery / Betül Aydın, Jérôme Gensel, Sylvie Calabretto and Bruno Tellez -- Speech and Multimodal Interaction in Mobile GIS Search: A Case of Study / Francesco Cutugno, Vincenza Anna Leano, Gianluca Mignini and Roberto Rinaldi -- Asynchronous Ultrasonic Trilateration for Indoor Positioning of Mobile Phones / Viacheslav Filonenko, Charlie Cullen and James D. Carswell -- A Semantic Resolver for Coordinate Reference Systems / Dimitar Misev, Mihaela Rusu and Peter Baumann -- Visualization with a New Visual Metaphor for Hierarchical and Stratified Temporal Domain / Francesco Cerasuolo, Francesco Cutugno and Vincenza Anna Leano -- Tag@Map: A Web-Based Application for Visually Analyzing Geographic Information through Georeferenced Tag Clouds / Davide De Chiara, Vincenzo Del Fatto, Monica Sebillo, Genoveffa Tortora and Giuliana Vitiello -- Clustering User Trajectories to Find Patterns for Social Interaction Applications / Reinaldo Bezerra Braga, Ali Tahir, Michela Bertolotto and Hervé Martin.

Making a Pictorial and Verbal Travel Trace from a GPS Trace / Pablo Martinez Lerin, Daisuke Yamamoto and Naohisa Takahashi -- Event Processing and Real-Time Monitoring over Streaming Traffic Data / Kostas Patroumpas and Timos Sellis -- A Context-Aware Web Content Generator Based on Personal Tracking / Reinaldo Bezerra Braga, Sócrates de Moraes Medeiros da Costa, Windson Viana de Carvalho, Rossana Maria de Castro Andrade and Hervé Martin -- A Holistic Semantic Similarity Measure for Viewports in Interactive Maps / Andrea Ballatore, David C. Wilson and Michela Bertolotto -- Recommendations Based on Region and Spatial Profiles / Gavin McArdle, Mathieu Petit, Cyril Ray and Christophe Claramunt -- Enforcing Protection Mechanisms for Geographic Data / Alban Gabillon and Patrick Capolsini -- Integrating Trend Clusters for Spatio-temporal Interpolation of Missing Sensor Data / Anna Ciampi, Annalisa Appice, Pietro Guccione and Donato Malerba -- Discovering Sensor Services with Social Network Analysis and Expanded SQWRL Querying / Mohamed Bakillah and Steve H. L. Liang -- Leveraging Power of Transmission for Range-Free Localization of Tiny Sensors / Marcello Cinque, Christian Esposito and Flavio Frattini.