Platform for Internet Content Selection (PICS) Rating Services and Rating Systems
World Wide Web Consortium
MIT Laboratory for Computer Science
545 Technology Square
Cambridge
MA
02139
US
+ 1 617 253 2613
+ 1 617 258 5999
jmiller@w3.org
http://www.w3c.org
AT&T
presnick@research.att.com
IBM
singer@almaden.ibm.com