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Mobility Data by Esteban Zimányi, Stefano Spaccapietra, Chiara Renso

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1

Trajectories and Their Representations

Stefano Spaccapietra, Christine Parent, and Laura Spinsanti

1.1 Introduction

For a long time, applications have been using data about the positions of the moving objects they are interested in. For example, city planning applications, in particular in the transportation and traffic management domains, have been observing and monitoring traffic flows to capture their characteristics, namely their importance and localization, with the aim to build better models for traffic regulation and to identify solutions for future development of the existing road network. Sociologists have also been examining the movement of cars equipped with GPS, focusing on individual cars rather than traffic flows, to understand ...

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