Abstract
Points of Interest (POI) are crucial content elements in various applications and services. Numerous use cases (e.g., navigation, mapping, or location-based services) causes that POI data is described in different, mostly proprietary formats. That prevents the use of POI across application boundaries. One reason is that there is no acknowledged POI data standard. However, the World Wide Web Consortium (W3C) released a promising working draft – the POI Core data model. Within this paper, the POI Core is analyzed and an XML schema for POI is presented from a touristic perspective. This schema is implemented using the GPS Exchange Format and a novel GPX extension. The extension enables a significantly improved inclusion of context information into POI descriptions. Finally, a concrete example of a touristic attraction, which is a specialization of POI, will be presented to show the value of the novel approach.
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