Volume 1 Number 3 (Sep. 2012)
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IJCCE 2012 Vol.1(3): 214-217 ISSN: 2010-3743
DOI: 10.7763/IJCCE.2012.V1.56

Missing Information in Trajectories: An Application to Avionics

Francisco Moreno, Sebastián Múnera, and Jesús Hernández

Abstract—A trajectory records the evolution of the position of a moving object in a space during a time interval. In Spaccapietra’s trajectory model, trajectories are segmented in subintervals called stops and moves. On the other hand, during some periods failures can occur in the transmission of data of the trajectory causing missings of information. In this paper, we extend Spaccapietra’s model by incorporating the missing information as a component of a trajectory. We consider this issue not only with regard to the object position but also with regard to other attributes of the trajectory (complementary attributes). We propose a classification for these attributes, depending on whether they are constant or variable during the stops and the moves. We also propose two algorithms: i) to convert a sequence of observations of a trajectory into stops, moves and missings. ii) to check that the data recorded for the attributes whose value must be constant is consistent.

Index Terms—Avionics, spatiality, temporality, trajectories, missing data.

The authors are with Universidad Nacional de Colombia, Sede Medellín(e-mail: fjmoreno. @unal.edu.co, sfmunera. @unal.edu.co,jawhernand. @unal.edu.co)

Cite: Francisco Moreno, Sebastián Múnera, and Jesús Hernández, "Missing Information in Trajectories: An Application to Avionics," International Journal of Computer and Communication Engineering vol. 1, no. 3, pp. 214-219 , 2012.

General Information

ISSN: 2010-3743
Frequency: Quarterly
Editor-in-Chief: Dr. Maode Ma
Abstracting/ Indexing: EI (INSPEC, IET), Google Scholar, Crossref, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcce@iap.org
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