Pascal Bihler Vasile-Marian Scuturici Lionel Brunie Expressing and interpreting user intention in pervasive service environments. 183-188 2005 conf/sitis/2005 SITIS http://www.u-bourgogne.fr/SITIS/05/download/Proceedings/Files/f136.pdf db/conf/sitis/sitis2005.html#BihlerSB05