Web Services Flow Language
Web Services Flow Language 1.0 (WSFL) was an XML programming language proposed by IBM in 2001 for describing Web services compositions. Language considered two types of compositions. The first type was for describing business processes as a collection of web services and the second was for describing interactions between partners. WSFL was proposed to be layered on top of Web Services Description Language.
Web Services Endpoint Language (WSEL)
Web Services Endpoint Language (WSEL) was an XML format proposed to be used to description of non-operational characteristics of service endpoints, such as quality-of-service, cost, or security properties. Format was proposed as a part of report which published Web Service Flow Language . It never gained wide acceptance.
- Leymann, Frank. (2001). "Web Services Flow Language (WSFL 1.0)". IBM Corporation.
- Hung, Patrick C. K. (2002). "Specifying Conflict of Interest in Web Services Endpoint Language (WSEL)". "ACM SIGecom Exchanges", Volume 3 Issue 3