RDF stands for Resource Description Framework RDF which use for describing resources on the web. RDF provides a model for data, and syntax so that independent parties can exchange and use it. It is designed to be read and understood by computers, and not designed for being displayed to people. RDF is written in XML. It is a part of the W3C's Semantic Web Activity.
The Resource Description Framework (RDF) is a W3C standard for describing Web resources, such as the title, author, modification date, content, and copyright information of a Web page.
RDF was designed to provide a common way to describe information so it can be read and understood by computer applications. Its descriptions are not designed to be displayed on the web.
RDF documents are written in XML. The XML language used by RDF is called RDF/XML.
By using XML, RDF information can easily be exchanged between different types of computers using different types of operating systems and application languages.
The RDF language is a part of the W3C's Semantic Web Activity. W3C's "Semantic Web Vision" is a future where:
RDF became a W3C Recommendation in February 2004. A W3C Recommendation is understood by the industry and the web community as a web standard. A W3C Recommendation is a stable specification developed by a W3C Working Group and reviewed by the W3C Membership.
References: www.w3schools.com