This volume constitutes the refereed proceedings of the Confederated International Conferences:
Cooperative Information Systems CoopIS 2015 Ontologies Databases and Applications of
Semantics ODBASE 2015 and Cloud and Trusted Computing C&TC held as part of OTM 2015 in
October 2015 in Rhodes Greece. The 30 full papers presented together with 15 short papers were
carefully reviewed and selected from 144 initial submissions. The OTM program every year covers
data and Web semantics distributed objects Web services databases information systems
enterprise workflow and collaboration ubiquity interoperability mobility grid and
high-performance computing.
