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Mobility Data by Esteban Zimányi, Stefano Spaccapietra, Chiara Renso

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4

Trajectory Data Warehouses

Alejandro A. Vaisman and Esteban Zimányi

4.1 Introduction

In previous chapters we have seen that the usage of location-aware devices enables the collection of large volumes of trajectory data. Effective analysis of such data imposes new challenges for their management, while raising opportunities for discovering behavioral patterns that can be exploited in applications such as location-based services or traffic control management.

Data warehouses (DW) and online analytical processing (OLAP) have been successfully used for transforming detailed data into valuable knowledge for decision-making purposes. Extending DWs for coping with trajectory data, leading to trajectory data warehouses (TDW), allows us to extract ...

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