O. Alonso, J. Strötgen, R. Baeza-Yates, and M. Gertz. Proceedings of the 1st International Temporal Web Analytics Workshop, volume 707 of CEUR Workshop Proceedings, page 1-8. CEUR-WS.org, (2011)
A. Jatowt, C. Au Yeung, and K. Tanaka. Proceedings of the 22Nd ACM International Conference on Conference on Information &\#38; Knowledge Management, page 2273--2278. New York, NY, USA, ACM, (2013)