??????????PICS

1
?????????

• ??? ??
• ??? ???

2
??

• ??????????
• W3C????????PICS
• ????????????????????
• ????????

3
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• ??????
• ???????????
• ??????????
• content filtering approach content
  providers??????,????????????,??????,?????Websense,
  N2H2, IEBlocker
• content selection approach content
  providers?????????????????,??W3C???????PICS

4
PICS???

• ???????????????
• ?????????????????
• ???????????
• ?????????
• ????????????????

5
PICS???
????W3C?? ????Netscape
6
PICS?????

• ????????????????
• ?????????????????
• ???????????????????

7
PICS?????

• RSACi/ICRA???????????
• ?????IE???3.0????????????,????RASCi????,??????????
  ???
• ????????????????????????????????,?????????????????
  ?????

8
PICS???

• PICS???HTTP?????????????,????HTTP???????SMTP
  Mail, BBS, IM, P2P AP????????????

9
PICS???? ???????

• ???HTML????????

10
PICS???? ??????

• ???????????????

11
PICS???? ?????

• ???????????
• ??????????

12
PICSRule ????????

• ?????????
• ????????????????,??????????
• PICSRule???????????????????
• PICSRule?????,???????????????????,???????????????

13
???PICSRule
14
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• ??????????,?????????
• ???????????????
• ???????????
• ?????????,??????????

15
????????

• ???????Aftab??????

16
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• ?????????????
• ???????????????????

17
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18
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• ???
• ????????
• ?????????
• ???
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19
?????

• ???????????,???????????practice of empowerment
• ?Internet?????????????????ISP?????,????????
• ????????????????????