Project Ode has retired. For details please refer to its Attic page. Apache ODE – Bibliography Apache ODE Getting ODE Documentation User Guide Developer Guide WS-BPEL Compliance WS-BPEL Extensions FAQ Roadmap Resources & Services Javadoc Contributing Mailing Lists Building ODE Source Code Bug Tracking Contributors License The ASF Apache Software Foundation Thanks Become a Sponsor Security Bibliography Useful References¶ G. Agha. Actors: A Model of Concurrent Computation in Distributed Systems. MIT Press, 1986. See also the technical report on the same topic.