References #

•  T. Barton and C. Seel. Business Process as a Service - Status and Architecture. In EMISA, 2014. Available at: http://subs.emis.de/LNI/Proceedings/Proceedings234/145.pdf    
• P. Whibley. BPM in the Cloud - Transforming the Business Case for Process Improvement. BPTrends, 2012. Available at: http://www.bptrends.com/publicationfiles/07-03-2012-ART-BPM%20in%20the%20Cloud-Whibley-final.pdf
  
• T. Lynn, N. O’Carroll, J. Mooney, M. Helfert, D. Corcoran, G. Hunt, L. van der Werff, J. Morrison, and P. Healy. Towards a framework for defining and categorizing Business Process-As-a-Service (BPaaS). In 21st International Product Development Management Conference, 2014.
• R. Accorsi. Business Process as a Service - Chances for Remote Auditing. In COMPSACW, 2011. 

Kyriakos Kritikos, Dimitris Plexousakis:
Requirements for QoS-Based Web Service Description and Discovery. IEEE T. Services Computing 2(4): 320-337 (2009)