1. Conceptualization of Place via Spatial Clustering and Co-occurrence Analysis a Institute of Information Science, Academia Sinica b International Institute for Geo–Information Science and Earth Observation (ITC) Dong–Po Deng ab ; Tyng–Ruey Chuang a ; Rob Lemmens b 2009 International Workshop on Location Based Social Networks (LBSN’09) Nov. 3, 2009, Seattle, WA, USA

4. Photos and Tags in Flickr Tags Geo-Tag Time-Tag

6. Selected photos from Flickr

7. Spatial Clustering method (DBSCAN)

8. Co-occurrence analysis Photo-tag matrix tag-tag correlation matrix

9. The correlation between the tag “amsterdam" and the tags of several landmarks associated to Amsterdam Distance Correlation coefficient

10. Conceptualizing places in different spatial scales

11. Conceptualizing places in different spatial scales

12. Conceptualizing places in different spatial scales

13. Conceptualizing places in different spatial scales

15. Thank you for your attention! [email_address]