Paper on adding discussion buttons to web pages

I have written a paper on how to add discussion buttons to web
pages. My paper is available from URL
URL: http://www.dsv.su.se/~jpalme/linking-conf-web.paper.pdf 
in Adobe Acrobat format.

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Jacob Palme <jpalme@dsv.su.se> (Stockholm University and KTH)
for more info see URL: http://www.dsv.su.se/~jpalme