Freie Universität Berlin, Fachbereich Mathematik und Informatik : Ser. B, Informatik ; 03,06
004 Datenverarbeitung; Informatik
Today’s mobile devices allow end users to get information related to particular
domain based on their current location, such as the fastest route to the
nearest drugstore. However, in such Location-Based Services (LBS), richer
and more targeted information is desirable. In many applications, end users
would like to be notified about relevant events or places to visit in the near
future according to their profile. Last but not least, they do not wish to get
the same information many times unless they explicitly asked for it.
In this paper,we describe our system, TIP (Tourism Information Provider),
which delivers various types of information to mobile devices based on location,
time, profile of end users, and their ”history”, i.e., their accumulated
knowledge. The system hinges on a hierarchical semantic geospatial model
as well as on an Event Notification System (ENS).
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