Using Wiki in Higher-Education: Application in organizing research groups
This is a natural extension of the story of this web site. I started this web site in 2006 hacking MediaWiki software. That was just before I moved from Japan to Netherlands and started working at UNESCO-IHE. From the end of 2006, I used the same contraption to support my research group at UNESCO-IHE (which consisted of five six masters students every year, myself and one or two other faculty members). The experiment completed its fifth year in 2011. I was thinking this is the time to document the experience when I came to know that Hydrology and Earth System Sciences Journal is publishing special issue on Hydrology education in a changing world]. Recently the article finished the review cycle and was published in HESS.
The article can be downloaded at: 
Pathirana, A., Gersonius, B., and Radhakrishnan, M.: Web 2.0 collaboration tool to support student research in hydrology – an opinion, Hydrol. Earth Syst. Sci., 16, 2499-2509, doi:10.5194/hess-16-2499-2012, 2012.
The figure on the left shows one important aspect of the Wiki approach. Student A and B graduated in April 2010. There is a good number of downloads from their Wiki pages by other students, which indicates collaboration spanning over years.