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In 2002, Egenhofer described his conceptual vision of the future geospatial semantic Web. As a contribution towards the concretization of this approach, we propose here a spatial ontology that can be used to attach spatial characteristics to Web resources, coupled with a spatial reasoner, called ONTOAST. Our work is applied to the field of semantic analysis, a new search paradigm for the Semantic...
In the recent years, photo context metadata (e.g.,date, GPS coordinates) have been proved to be useful in the management of personal photos. However, these metadata are still poorly considered in photo retrieving systems. In order to overcome this limitation, we propose an approach to incorporate contextual metadata in a keyword-based photo retrieval process.We use metadata about the photo shot context...
In this paper, we propose context-aware profiles and a filtering process for personalising informational content that is delivered to mobile users by Web-based information systems (WIS). The context-aware profiles allow mobile users to express their personal preferences for particular situations they encounter when using a WIS. We argue that the preferences and the needs of a mobile user may vary...
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