Stevie-collaborative creation and exchange of events and pois on a mobile phone

Authors:
Max Braun;Daniel Schmeiß;Ansgar Scherp;Steffen Staab
Affiliations:
University of Koblenz-Landau, Koblenz, Germany;University of Koblenz-Landau, Koblenz, Germany;University of Koblenz-Landau, Koblenz, Germany;University of Koblenz-Landau, Koblenz, Germany
Venue:
Proceedings of the 2nd ACM international workshop on Events in multimedia
Year:
2010

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Abstract

We propose a model and mobile application for the collaborative creation and sharing of semantic points of interest (POIs) and events. We annotate events and POIs with semantic categories and support search through an ontology of these categories. By this, users are able to find, e.g., an event of a jazz jam session through the query string concert even though the event has only been annotated with the concept of a jam session. Unlike existing applications, each user can modify any event and POI stored in the system. To this end, we consider the creation, modification, as well as deletion operations on events and POIs as contributions within our system. Even with delete operations the actual events and POIs are not permanently removed from the database. This allows rollbacks, e.g., if data has been arbitrarily deleted by spammers. The model has been implemented in our mobile application for collaborative creation and sharing of events and POIs called STEVIE.