Visual Modelling of Complex Business Processes with Trees, Overlays and Distortion-based Displays
VLHCC '07 Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing
Decentralized web service orchestration: a reflective approach
Proceedings of the 2008 ACM symposium on Applied computing
ASE '08 Proceedings of the 2008 23rd IEEE/ACM International Conference on Automated Software Engineering
A model-driven approach for describing semantic web services: from UML to OWL-S
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
Toward cloud-based collaboration services
HotCloud'09 Proceedings of the 2009 conference on Hot topics in cloud computing
Service composition for everyone: a study of risks and benefits
ICSOC/ServiceWave'09 Proceedings of the 2009 international conference on Service-oriented computing
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Web services have become a very powerful technology to build service oriented architectures and standardize the access to legacy services. Through web service composition new added value web services can be created out of existing ones. Examples of these compositions are virtual organizations, outsourcing, enterprise application integration, business process definitions and business to business inter/intra-enterprise relationships. In order to enable the construction of business processes as composite web services, a number of composition languages has been proposed by the software industry. However, the handiwork of specifying a business process with these languages through simple text or XML editors is tough, complex and error prone. Visual support can ease the definition of business processes. In this paper, we describe ZenFlow, a visual composition tool for web services written in BPEL4WS. ZenFlow provides several visual facilities to ease the definition of a business process such as multiple views of a process, syntactic and semantic awareness, filtering, logical zooming capabilities and hierarchical representations.