Many thanks to Traugott Koch for these links:

NKOS Workshop at ECDL in Aarhus.

NKOS Special Session at DC 2008 in Berlin, all in one single pdf file.

The Joint NKOS/CENDI Workshop “New Dimensions in Knowledge Organization
Systems”, in Washington, DC, USA on September 11, 2008. “Thanks to the contributors, programme committees, chairs and the large and very active audiences. We invite your active participation 2009 as well. Watch the website. ”