If you are interested in my PhD, you can now buy it on Amazon.
http://www.amazon.de/Semantic-approach-Personal-Information-Management/dp/3866244495/
as blogged before, I finished and published my PhD. Its a good reference on all topics related to the semantic desktop: personal information management, information extraction, pimo, application plugins, semantic wikis, and how people used them.
Now, my work did hit the Amazon store and can be bought by you together with other interesting books such as Founders At Work
P.s.: Disclaimer: If you buy it through the links on this page, you support me, I took this opportunity to join Amazon’s affiliate program đ