These proceedings contain the papers selected for presentation at the sixth edition of the International Symposium on Web & Wireless Geographical Information Systems held in Hong Kong during December 2006.

Session 1 - Location-Based Services.- Putting Location-Based Services on the Map.- Beyond Location Based – The Spatially Aware Mobile Phone.- An Event Detection Service for Spatio-temporal Applications.- A Tourism Information System for Rural Areas Based on a Multi Platform Concept.- Session 2 - W2GIS Applications and Prototypes.- Prediction of GPS Multipath Effect Using LiDAR Digital Surface Models and Building Footprints.- The Web Integration of the GPS+GPRS+GIS Tracking System and Real-Time Monitoring System Based on MAS.- A Management System of Street Trees by Using RFID.- A Modular Neural Network Approach to Improve Map-Matched GPS Positioning.- Session 3 - Wayfinding, Mobile and Wireless GIS.- Representational Issues in Interactive Wayfinding Systems: Navigating the Auckland University Campus.- A Hybrid Spatial Model for Representing Indoor Environments.- MEMS Mobile GIS: A Spatially Enabled Fish Habitat Management System.- A Mobile Computing Approach for Navigation Purposes.- Session 4 - W2GIS Personalization and Agent.- Improving Archaeological Heritage Information Access Through a Personalised GIS Interface.- Designing Adaptive Spatio-temporal Information Systems for Natural Hazard Risks with ASTIS.- A Contextual Approach for the Development of GIS: Application to Maritime Navigation.- P2P and Agent Service Based On-Line 3DGIS.- Session 5 - Data Management and Data Retrieval Methods.- Integrating Data from Maps on the World-Wide Web.- Web-Based Cluster Analysis for the Time-Series Signature of Local Spatial Association.- A Methodology for Predicting Performances of Map-Matching Algorithms.- Path Planning for Chaining Geospatial Web Services.- Session 6 - Semantic Geo-spatial Web and Ubiquitous W2GIS.- Indexing Moving Objects on Road Networks in P2P andBroadcasting Environments.- GeoComputation in the Grid Computing Age.- Semantic Spatial Web Services with Case-Based Reasoning.- TMOM: A Moving Object Main Memory-Based DBMS for Telematics Services.

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