As part of the activities of the NKOS (Networked Knowledge Organization Systems and Services) network, Doug Tudhope has co-organised Workshops at ECDL (European Conference on Digital Libraries) 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 and at the (renamed) TPDL (International Conference on Theory and Practice of Digital Libraries) 2012 and in Malta 2013. Presentations and details of the workshops can be found on the websites.
Workshops at JCDL and DCMI conferences have also been co-organised and a special session (What role can KOS play in information retrieval applications?) at the 2nd biennial conference of the UK Chapter of ISKO (International Society for Knowledge Organization) in 2011. For details see the NKOS website.
Special issues on KOS themes were published in the Journal of Digital Information Systems 2004, co-edited by Tudhope & Koch, New Applications of Knowledge Organization Systems and the New Review of Hypermedia and Multimedia 2006, 12(1), Knowledge Organization Systems and Services co-edited by Tudhope & Nielsen.