Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/9491
Title: Aggregation languages for moving object and places of interest
Authors: Gomez, Leticia
KUIJPERS, Bart 
VAISMAN, Alejandro 
Issue Date: 2008
Publisher: ACM
Source: Wainwright, Roger & Haddad, Hisham (Ed.) Proceedings of the 2008 ACM Symposium on Applied Computing (SAC). p. 857-862.
Abstract: We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language to express complex aggregate queries. Next, we study the compression of trajectory data, produced by moving objects, using the notions of stops and moves. We show that stops and moves are expressible in our query language and we consider a fragment of this language, consisting of regular expressions to talk about temporally ordered sequences of stops and moves. This fragment can be used not only for querying, but also for expressing data mining and pattern matching tasks over trajectory data.
Document URI: http://hdl.handle.net/1942/9491
Link to publication: http://doi.acm.org/10.1145/1363686.1363885
ISBN: 978-1-59593-753-7
Category: C1
Type: Proceedings Paper
Appears in Collections:Research publications

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