Crystal, David (2006a) Sense engines – the future of search. Crystal Semantics [Online] www.crystalsemantics.com/Products/Crystal%20Semantics%20-Sense%20Engine-the%20future%20of%20search.pdf
Crystal, David (2006b) Take care of the sense, and the search engines will take care of themselves. Crystal Semantics [Online] www.crystalsemantics.com/Products/Crystal%20Semantics%20-%20Take%20care%20of%20the%20sense.pdf
Google (2006) Our search: Google technology. Google [Online] www.google.com/technology/
Headshift (2004) Can social tagging overcome barriers to content classification? Headshift Ltd [Online] www.headshift.com/archives/002085.cfm
Merholz, Peter (2005) Clay Shirky’s viewpoints are overrated. [Online] www.peterme.com/archives/000558.html.
Netcraft (2006) November 2006 web server survey. Netcraft Ltd. [Online] http://news.netcraft.com/archives/2006/11/01/november_2006_web_server_survey.html
O’Neill, Edward T., Lavoie, Brian F. and Bennett, Rick (2003) Trends in the evolution of the public web 1998–2002. D-lib Magazine 9(4). [Online] www.dlib.org/dlib/april03/lavoie/04lavoie.html
Orlowski, Andrew (2006) Are Google’s glory days behind it? [Online] http://www.theregister.co.uk/2006/08/25/colly_myers_interview/
Passin, Thomas B. (2004) Explorer’s guide to the semantic web. Greenwich: Manning.
Explorer’s guide to the semantic web
Shirky, Clay (2005a) Ontology is overrated: categories, links, and tags. [Online] www.shirky.com/writings/ontology_overrated.html
Shirky, Clay (2005b) Semi-structured meta-data has a posse: A response to Gene Smith. [Online] http://tagsonomy.com/index.php/semi-structured-meta-data-has-a-posse-aresponse-to-gene-smith/
Surowiecki, James (2005) The wisdom of crowds. London: Abacus.
The wisdom of crowds