Thesis etd-01172020-101129 |
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Thesis type
Tesi di laurea magistrale
Author
OSMANI, NARGES
URN
etd-01172020-101129
Thesis title
Graph Pattern-based Analysis of Call Detail Records Data for Dynamic Population Estimation
Department
FILOLOGIA, LETTERATURA E LINGUISTICA
Course of study
INFORMATICA UMANISTICA
Supervisors
relatore Dott. Nanni, Mirco
Keywords
- Call Detail Records
- CDR
- dynamic population estimation
- mobile phone data
- noise removal
Graduation session start date
03/02/2020
Availability
Withheld
Release date
03/02/2090
Summary
The prevalent use of mobile phones by individuals generate an immense amount of information about the mobility of people for network operators. This data which is called Call Detail Records can be used to study the movement behaviors of individuals, the collective behavior of the population in different circumstances such as big events, and evacuation. Policy-makers can utilize this data for planning purposes. One of the main problems with mobile phone data is their sparsity and low position accuracy. In this thesis, we analyzed different sources of mobile phone positioning errors and removed the noises for subsequent analysis purposes. We then obtained the stay locations from the trajectories of users and used them as an indicator of the population in different spatial areas and temporal intervals. We also used this data to generate mobility networks for each user. We augmented our research with a visualization dashboard that is suitable to analyze the mobile phone data, allowing us to apply different filters on different dimensions.
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