Extending Augmented Reality Mobile Application with structured knowledge from the LOD cloud

Abstract

ARCAMA-3D (Augmented Reality for Context Aware Mobile Applications with 3D) is a mobile platform that allows us to overlay a 3D representation of the surroundings with augmented reality objects. In this paper, we show how these 3D objects, which are overlaid on the real view captured by the camera of the mobile device, are coupled with the Linked Open Data (LOD) cloud. With this approach, the data aggregation for a mobile augmented reality system is provided using the interconnected knowledge bases on the Web. This offers the possibility to enrich our 3D objects with structured information on the cloud. The objects that act as an augmented reality interface are used to provide an interactive access to these information. This approach provides an opportunity for people who publish information on the LOD cloud to interlink their data with 3D urban models. In order to achieve this, we propose an extensible data model that takes into account the temporal evolution of real world entities (such as buildings, monuments, etc.) and we publish our 3D models using this data model.