Article (cha2007tyt)
Cha, M.; Kwak, H.; Rodriguez, P.; Ahn, Y. & Moon, S.
I tube, you tube, everybody tubes: analyzing the world's largest user generated content video system
2007, 1-14

Unpublished (hayes:ubt)
Hayes, C. & Avesani, P.
Using Blog Tags To Identify Topic Authorities
2007

Article (hayes2006aut)
Hayes, C.; Avesani, P. & Veeramachaneni, S.
An analysis of the use of tags in a blog recommender system
ITC-IRST Technical Report. http://sra. itc. it/people/hayes/pubs/06/hayes-ijcai07-tech-report. pdf, 2006