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Socio-Spatial Properties of Online Location-Based Social Networks
Published on Aug 18, 20113700 Views
The spatial structure of large-scale online social networks has been largely unaccessible due to the lack of available and accurate data about people’s location. However, with the recent surging po
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Chapter list
Socio-spatial Properties of Online Location-based Social Networks00:00
Location-based social networks00:26
More and more importance01:00
Insight into spatial social behavior01:52
Spatial networks02:39
Social ties and geographic distance03:28
Effect of distance on social connections04:31
Interesting questions...06:19
Approach07:02
Datasets07:38
Distance between users and between friends08:36
Probability of friendship vs. geographic distance09:15
How are individual users affected by geographic distance when they create social links?10:08
Network randomization10:38
Average friend distance11:46
Distance strength and correlation with degree12:44
What are the spatial properties of the social triangles users belong to?14:02
Social links in social triangles14:24
Average triangle geographic length15:06
Correlation with degree16:28
How can we combine spatial and social factors?17:00
Gravity models for spatial social networks17:14
Implications18:37
Take-away message19:19
Thanks! Questions?19:29