Network structure and data sources Dragan Gašević @dgasevic
Transcript
Network structure and data sources
Dragan Gašević
@dgasevic
Network elements
• Actors – nodes or vertex
Network elements
• Relations – ties, edges, arcs, links
Undirected
Network elements
• Relations – ties, edges, arcs, links
Undirected, weighted
Network elements
• Relations – ties, edges, arcs, links
Relations can represent…
friendship, advice, hindrance, communication, …
Network representation
A
B
C
D
Network representation
A
B
C
D
Data sources
Self-reports
Data sources
Email
https://www.youtube.com/watch?v=ryP83jM-Du8
Data sources
Followers/following
Retweets, favorites, and replies
Even references to hashtags
Data sources
Dawson, S., Bakharia, A., & Heathcote, E. (2010). SNAPP: Realising the affordances of real-time SNA within networked learning environments. In Proceedings of the 7th International Conference on Networked Learning (pp. 125-133).
http://www.snappvis.org/
Data sources
Class enrollments
-cross-class networks-
Gašević, D., Zouaq, A., Jenzen, R. (2013). Choose your Classmates, your GPA is at Stake!' The Association of Cross-Class Social Ties and Academic Performance. American Behavioral Scientist, 57(10), 1459-1478. doi: 10.1177/0002764213479362