1 InfoService: 'New model for the business portal', Delphi ( August 2002).

2 Lyman, P. and Varian, H.: 'How much information?' http://www.sims.berkeley.edu/research/projects/how-much-info/

3 'Glued to the Screen. An investigation into information addiction worldwide', Reuters ( 1997).

4 'Out of the Abyss: Surviving the Information Age', Reuters ( 1998).

5 Davies, J. and Cochrane, R.: 'Knowledge discovery and delivery', BT Engineering Journal ( April 1998).

6 Davies, J., Krohn, U. and Weeks, R.: 'QuizRDF: search technology for the semantic web (PDF 730 kb)', WWW2002 workshop on RDF and Semantic Web Applications, 11th International WWW Conference WWW2002, Hawaii, USA ( 2002).

7 Davies, J.: 'Supporting virtual communities of practice', in Roy R (Ed): 'Industrial knowledge management', Springer-Verlag, London ( 2001).

8 Crossley, M., Davies, J., McGrath, A. and Rejman-Greene, M.: 'The Knowledge Garden', BT Technol J, 17 (1), pp 76 84 ( January 1999).

9 Wenger, E.: 'Communities of Practice: Learning, Meaning, and Identity', Cambridge University Press ( 1998).

10 Jeffrey, P. and McGrath, A.: 'Sharing serendipity in the workplace', in Proceedings of CVE 2000, San Francisco, CA, ACM Press, pp 173 179 ( September 2000).

11 McGrath, A.: 'The forum', Siggroup Bulletin, 19 (3), pp 21 25 ( 1998).

12 Cartwright, D.: 'DIY User Profiling', Web Developer's Journal http://www.webdevelopersjournal.com/articles/user_profiling_diy.html

13 Cartwright, D.: 'Customise Your Content with User Profiling', Web Developer's Journal http://www.webdevelopersjournal.com/articles/user_profiling.html

14 Bradley, K., Rafter,