Comm2Sense: Detecting proximity through smartphones. - Iacopo Carreras; Aleksandar Matic; Piret Saar; Venet Osmani (PerCom Workshops, 2012)

An analysis of distance estimation to detect proximity in social interactions. - Venet Osmani; Iacopo Carreras; Aleksandar Matic; Piret Saar (J. Ambient Intell. Humaniz. Comput., 2014)