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Figure 16.1 One-month trajectory from one author's Google Latitude logs in the northeast
part of Italy.
16.4 Geographic Information in Geo-Social Web
In the following sections we focus on the geographic aspects related to informa-
tion it is possible to retrieve from the social web. We then answer the following
questions:
How does location information relate to generated information on the web?
(Section 16.4.1 )
Which are the characteristics of these data? (Section 16.4.2 )
Figure 16.2 A social network use segmented trajectory.
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