The Resource Description Framework is a family of W3C specifications for representing information about resources in a structured, machine-readable form. It is commonly used to model linked data and semantic web relationships through subject-predicate-object statements.
A family of World Wide Web Consortium (W3C) specifications originally designed as a metadata data model. It has come to be used as a general method for conceptual description or modeling of information that is implemented in web resources, using a variety of syntax notations and data serialization formats. It is also used in knowledge management applications.