Shankar Ponnekanti Brian Lee Armando Fox Pat Hanrahan Terry Winograd ICrafter: A Service Framework for Ubiquitous Computing Environments. 56-75 2001 conf/huc/2001 Ubicomp http://link.springer.de/link/service/series/0558/bibs/2201/22010056.htm db/conf/huc/ubicomp2001.html#PonnekantiLFHW01