G. Buchanan, S. Cunningham, A. Blandford, J. Rimmer, and C. Warwick. Research and Advanced Technology for Digital Libraries: 9th European Conference, ECDL 2005, Vienna, Austria, September 18-23, 2005. Proceedings, 3652, Springer Berlin, Heidelberg, The original publication is available at www.springerlink.com.(2005)