This double volumes LNCS 10573-10574 constitutes the refereed proceedings of the Confederated
International Conferences: Cooperative Information Systems CoopIS 2017 Ontologies Databases
and Applications of Semantics ODBASE 2017 and Cloud and Trusted Computing C&TC held as part
of OTM 2017 in October 2017 in Rhodes Greece. The 61 full papers presented together with 19
short papers were carefully reviewed and selected from 180 submissions. The OTM program every
year covers data and Web semantics distributed objects Web services databases information
systems enterprise work ow and collaboration ubiquity interoperability mobility grid and
high-performance computing.