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Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions (CROSBI ID 240638)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Lopez, Angel J. ; Semanjski, Ivana ; Gautama, Sidharta ; Ochoa, Daniel Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions // Journal of mobile information systems, 2017 (2017), 4043237-1-4043237-11. doi: 10.1155/2017/4043237

Podaci o odgovornosti

Lopez, Angel J. ; Semanjski, Ivana ; Gautama, Sidharta ; Ochoa, Daniel

engleski

Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions

Human travel behaviour has been addressed in many transport studies, where travel survey methods have been widely used to collect self- reported insights of daily mobility patterns. However, since the introduction of Global Navigation Satellite Systems (GNSS) and more recently smartphones with built-in GNSS, researchers have adopted these ubiquitous devices as tools for collecting mobility behaviour data. Although most studies recognize the applicability of this technology, it still has limitations. These are rarely addressed in a quantified manner. Often the quality of the collected data tends to be overestimated and these errors propagate into the aggregated results providing incomplete knowledge of the levels of confidence of the results and conclusions. In this study, we focus on the completeness aspects of data quality using GNSS data from four campaigns in the Flanders region of Belgium. The empirical results are based on mobility behaviour data collected through smartphones and include more than 450 participants over a period of twenty-nine months. Our findings show which transport mode is affected the most and how land use affects the quality of the collected data. In addition, we provide insights into the time to first fix that can be used for a better estimation of travel patterns.

Smartphone Positioning ; Data Quality ; Mobile sensing ; Citizen Science ; GNSS

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Podaci o izdanju

2017

2017.

4043237-1-4043237-11

objavljeno

1574-017X

10.1155/2017/4043237

Povezanost rada

Tehnologija prometa i transport

Poveznice
Indeksiranost