Location Based Social Networks - Forschungsansätze und Anwendungsbeispiele aus dem Bereich der Geoinformatik
1. LOCATION BASED SOCIAL NETWORKS
FORSCHUNSANSÄTZE UND ANWENDUNGEN
AUS DEM BEREICH DER GEOINFORMATIK
2. ❞
[...] emblematic of the new form of cartography
that Google and its digital counterparts represent:
Me-Mapping, the placing of the user at the instant
centre of everything.
—Simon Garfield
Garfield, S. (2012): On the Map: Why the World Looks the
Way it Does. Profile Books Ltd.; London. S. 429.
16. AKTUELLE FORSCHUNGSANSÄTZE
VERHALTENSANALYSEN
Cheng, Z.; Caverlee, J.; Lee, K. & Sui, D. (2011):Exploring Millions of Footprints in Location Sharing Services. 5th
International AAAI Conference on Weblogs and Social Media, Barcelona, Spanien.
19. AKTUELLE FORSCHUNGSANSÄTZE
VERNACULAR GEOGRAPHIES
Hollenstein, L. & Purves, R. (2010): Exploring place through user-generated content: Using Flickr tags to describe city
cores. Journal of Spatial Information Science, 1(1) 21-48.
20. AKTUELLE FORSCHUNGSANSÄTZE
EVENT DETECTION
Earle, P.; Bowden, D. & Guy, M. (2011): Twitter Earthquake detection: Earthquake Monitoring in a Social World. Annals of
Geophysics, 54(6) 708-715.
41. DATENINTEGRATION
STRING-SIMILARITY
DICE-KOEFFIZIENT JARO-WINKLER-METRIK
dice(a,b) =
2 |T(a) ⋂ T(b)|
|T(a)| + |T(b)|
jaro(a,b) =
{(
1
3
0; if m = 0
m m m-t
+
|a| |a|
+
m )
T – nGrams des jeweiligen Terms m – matching characters
t – half the number of
transpositions