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