Context Aware and Ubiquitous Computing

I've recently started doing a bit of research on Context Aware and Ubiquitous Computing, and I'm wondering if anyone has any good links for me?

If you don't know what on earth I'm talking about, check out

http://www.cs.ukc.ac.uk/people/staff...t/Context.html

And

http://www.cs.ukc.ac.uk/people/staff...biquitous.html

Cheers!