course logo

learning objective.................................assignments logo Understand RDF and PICS, how they are applied, what third-party services are required. Attempt to apply RDF and PICS to a Web page of choice. Consider the role each can play in managing information in libraries. How difficult are they to implement and manage? Discuss these issues on-line.

The World Wide Web Consotium Metadata InitativesW3C logo


The World Wide Web Consortium is an organization created in 1994 to support and develop common protocols and standards across all Web media and platforms. It is an organization of organizations. W3C articulates its position as seven points: universal acess, semantic Web, trust. interoperability, evolvability, decentralization, and "cooler mulitmedia!"

W3C has developed two metadata initiatives, the Resources Description Framework (RDF) and Platform for Internet Content Selection (PICS).

Resource Description Framework  (RDF)

RDF might best be described as metametadata. It is a system for integrating WWW metadata into a common standard.

Platform for Internet Content Selection (PICS)

PICS provide metadata labels of WWW content. It is a coded indexing scheme.