A SLA graph model for data services. - Katerina Stamou; Verena Kantere; Jean-Henry Morin; Michael Georgiou (CloudDB@CIKM, 2013)

SLA Information Management through Dependency Digraphs: The Case of Cloud Data Services. - Katerina Stamou; Verena Kantere; Jean-Henry Morin; Michael Georgiou (HICSS, 2014)