Tchnology Reports on PICS
The Platform for Internet Content Selection is a specification created by W3C that uses metadata to label webpages to help parents and teachers control what children and students can access on the Internet. The W3C RDF project is trying to integrate RDF labels with PICS labels.
Abstract: "PICS, the Platform for Internet Content Selection is a system for associating metadata (PICS 'labels') with Internet content. PICS provides a mechanism whereby independent groups can develop metadata vocabularies without naming conflict. The syntax of a PICS label

