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Spatio-temporal tracking from natural language statements using outer probability theory
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Bishop, Adrian N., Houssineau, Jeremie, Angley, Daniel and Ristic, Branko (2018) Spatio-temporal tracking from natural language statements using outer probability theory. Information Sciences, 463-464 . pp. 56-74. doi:10.1016/j.ins.2018.06.041 ISSN 0020-0255.
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Official URL: http://dx.doi.org/10.1016/j.ins.2018.06.041
Abstract
This work considers a target tracking problem where the observed information is in the form of natural language-type statements. More specifically, the focus is on a spatio-temporal tracking problem where each uttered expression may involve both spatial, motion and temporal uncertainty, and a general modelling framework for natural language statements of a rather general semantic form is developed. This framework involves the definition of some tuple that allows one to extract the common semantics from arbitrary parsed expressions conveying some canonical information. Given this tuple, an estimation and tracking method based on the concept of outer probability measures is introduced and an estimation algorithm for handling this temporal uncertainty, along with delayed and out-of-sequence information arrival, is developed. This framework allows for modelling imprecise information in a more general and realistic sense.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Statistics | ||||||||
Journal or Publication Title: | Information Sciences | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 0020-0255 | ||||||||
Official Date: | October 2018 | ||||||||
Dates: |
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Volume: | 463-464 | ||||||||
Page Range: | pp. 56-74 | ||||||||
DOI: | 10.1016/j.ins.2018.06.041 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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