19Th International Conference on Automated Planning and Scheduling, Icaps 2009, Date: 19 September 2009 through 23 September 2009, Location: Thessaloniki, Sponsors: University of Macedonia;Inst. Cognitive Sci. Technol., Natl. Res. Counc. (ISTC-CNR);Inf. Commun. Technol. Dep., Natl. Res. Counc. (ICT-CNR);ISTC-CNR, Planning and Scheduling Team;National Science Foundation (NSF)