Review and Analysis on Trajectory Big Data

A trajectory can be seen as the imprint left in space by a moving object over time. In recent years, with widespread use of civil GPS and other positioning devices on mobile terminals development popularity location-based services social networks, large amount data is increasingly accumulated daily life served different types applications. generated fields traffic, weather, ecology services. The effective understanding utilization these requires not only automatic efficient analysis methods, but also intuitive vivid visualization, this paper summarizes application cities.