Rigaux, Philippe; du Mouza, Cédric (2004), Mobility Patterns, in Sander, Jörg; Nascimento, Mario, Spatio-Temporal Database Management, 2nd International Workshop STDBM'04, Toronto, Canada, August 30, 2004, p. 1-8
TypeCommunication / Conférence
Conference titleSpatio-Temporal Database Management, 2nd International Workshop STDBM'04
Book titleSpatio-Temporal Database Management, 2nd International Workshop STDBM'04, Toronto, Canada, August 30, 2004
Book authorSander, Jörg; Nascimento, Mario
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Abstract (EN)We present a data model for tracking mobile objects and reporting the result of continuous queries. The model relies on a discrete view of the spatio-temporal space, where the 2D space and the time axis are respectively partitioned in a finite set of user-defined areas and in constant-size intervals. We define a query language to retrieve objects that match mobility patterns describing a sequence of moves and discuss evaluation techniques to maintain incrementally the result of queries.
Subjects / KeywordsSpatio-temporal applications; Online evaluation; Mobility patterns
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