PostGIS Cookbook - Second Edition

Introduction

This chapter is dedicated to an emerging issue in the design and implementation of location-based information systems: LBISs. The increasing use of smartphones in all kinds of applications, and their ability to acquire and report users' locations, has been adopted as a core functionality of many service providers. Enabling access to users' accurate locations throughout the day, which gives context to their requests and allows companies to better know their client and provide any relevant personalized services; however, this information can contain much more about the user than just the context of the service they want to access, such as their weekly routine, frequently visited places, groups of people gathered, and so on. These ...