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Mobility Data by Esteban Zimányi, Stefano Spaccapietra, Chiara Renso

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2

Trajectory Collection and Reconstruction

Gerasimos Marketos, Maria Luisa Damiani, Nikos Pelekis, Yannis Theodoridis, and Zhixian Yan

2.1 Introduction

The research area of trajectory databases has addressed the need for representing movements of objects (i.e., trajectories) in databases in order to perform ad hoc querying and analysis on them. During the last decade, there has been a lot of research ranging from data models and query languages to implementation aspects, such as efficient indexing, query processing, and optimization techniques.

This chapter covers aspects related to data collection and handling so as to feed trajectory databases with appropriate data. We will also focus on the step trajectory reconstruction of the Geographic ...

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