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Predicting interactions and contexts with context trees

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Thomason, Alasdair, Griffiths, Nathan and Sanchez Silva, Victor (2016) Predicting interactions and contexts with context trees. In: 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, California, USA, 31 Oct - 03 Nov 2016. Published in: GIS '16 Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems ISBN 9781450345897.

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Official URL: http://dx.doi.org/10.1145/2996913.2996993

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Abstract

Predicting the future actions of individuals from geospatial data has the potential to provide a basis for tailored services. This work presents the Predictive Context Tree (PCT), a new hierarchical classifier based on the Context Tree summary model. The PCT is capable of predicting the future contexts and locations of individuals to provide a basis for understanding not only where a user will be, but also what type of activity they will be performing. Through a comparison to established techniques, this paper demonstrates the applicability of the PCT by showing increased accuracies for location prediction, and increased utility through context prediction.

Item Type: Conference Item (Paper)
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Divisions: Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH): Geospatial data, Geographic information systems, Cell phone users, Semantics, Algorithms, Data structures (Computer science), Logistic regression analysis
Journal or Publication Title: GIS '16 Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Publisher: ACM
ISBN: 9781450345897
Official Date: 31 October 2016
Dates:
DateEvent
31 October 2016Published
5 September 2016Accepted
Article Number: 46
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 16 September 2016
Date of first compliant Open Access: 22 May 2017
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIED[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
Conference Paper Type: Paper
Title of Event: 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Type of Event: Conference
Location of Event: California, USA
Date(s) of Event: 31 Oct - 03 Nov 2016
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