@INPROCEEDINGS { AUTHOR = "F{\'a}ber Giraldo and C{\'e}sar Collazos and Sergio Ochoa and Sergio Zapata and Gisela Torres de Clunie", TITLE = "Supporting Informal Interaction in a Hospital through Impromptu Social Networking", BOOKTITLE = "21st Workshops of the International Conference on Database and Expert Systems Applications (DEXA Workshops)", PAGES = "97-101", MONTH = "Aug", YEAR = "2010", ADDRESS = "Bilbao, Spain", }