Organization for the Advancement of Structured Information Standards (OASIS)

The Organization for the Advancement of Structured Information Standards (OASIS) is an industry consortium promoting standards in Service Oriented Architecture (SOA), Web Services, Cloud computing and related areas. Historically, OASIS focused on interoperability standards for markup language such as Standard Generalized Markup Language (SGML), HTTP, and XML.

References:

https://www.oasis-open.org/

http://searchsoa.techtarget.com/definition/OASIS