Virtual Campfire - Cross-Platform Services for Mobile Social Software. - Yiwei Cao; Xi Chen 034; Niels Drobek; Andreas Hahne; Anna Hannemann; Christian Hocken; Michael Jansen; Holger Janssen; Matthias Jarke; Ralf Klamma; Dejan Kovachev; Zinayida Petrushyna; et al. (Mobile Data Management, 2009)

Today's Top "RESTful" Services and Why They Are Not RESTful. - Dominik Renzel; Patrick Schlebusch; Ralf Klamma (WISE, 2012)