?url_ver=Z39.88-2004&rft_id=PQ+ETD%3A602722&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Nikolaos&rft.au=Vardalachos%2C+Nikolaos&rft.aulast=Vardalachos&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral&rft.date=30+November+2005&rft.tpages=317&rft.title=Towards+a+novel+framework+for+management+of+context-aware+services+and+networks