About time we had a link to this: http://www.w3.org/2001/sw/
"A Dublin Core Application Profile for Scholarly Works" in Ariadne: http://www.ariadne.ac.uk/issue50/allinson-et-al/. Application profiles may prove relevant to research, although not so much in the context of scholarly publications
Amazon's new collaborative tagging thing: http://amapedia.amazon.com/
Lorcan Dempsey talking about the embedded nature of networked data, and its combination with local data, in iTunes: http://orweblog.oclc.org/archives/001253.html
Research on tagging, with references to SW-related issues: http://pewresearch.org/pubs/402/tagging-play
Oh, and Jeremy gives TechCrunch the smack-down treatment "the site is devoted to pointing out all that is flashy and pointless on the web"