M. Milutinovic, K. Decroix, V. Naessens, and B. Decker, Commercially-run home assistance centres, 2011.
M. Milutinovic, V. Naessens, and B. Decker, Privacy-Preserving Scheduling Mechanism for eHealth Systems, Technical Report, vol.618, 2012. DOI : 10.1007/978-3-642-32805-3_18