e-Japan e-Japan2002 Internet Content Rating Association ( ICRA ) Web 18 18 SFS Platform for Internet ) Content  Selection( PICS PICS Web 1996 1997 W3C  World Wide Web Consortium Platform for Internet Content Selection PICS Web Web HTTP PICS Web Web URL URL ICRA Rating Association ICRA 1998 10 Internet  Content IWF ECO 3 1999 5 RSAC ICRA 501 (c)(3) ICRA Web Web Web Web . ISP .  .   .1 ISP 1998 5 4　 1 13 52 1999 2001 1 2001   4 ISP ISP ISP 38 8        55 ( ） 31        7         1 （ ） 2 88 18 18 31 88 2 31
（ 31 10 ) 18 18 4 ） 1 18 2
18 ID 31 88 44 ' 2 18 18 2000 18 JCB AMERICAN EXPRESS   VISA    MasterCard 18 ××× ID ××× ××× ISP (1) (2) (3) 11ともISP ISP (1) (2) (3) 4 12 ISP -1 ³ http://www.telesa.or.jp/guide.html
4 (1)
ISP 12 ISP -2 -2 ISP
2002 2 46% 3 ISP AOL 6 Web -3
77
4-

7 00 .  . .2 -5
PICS PICS .  .   .3 NPO URL 10 URL URL TAO 11 TAO 4000 SFS 12 JAIPA 99 10 1 4000 E 13 14 PICS SFS (2001 1
4 SFS2.0 377 319 -6 36
1999 (2001 4
333 259
URL 2002 2 PICS 45 URL 2002 1 2001
SFS1.0 15 84 Web SFS PICS Internet  Explorer 3.0 PICS SafetyOnline 16 17 PICS 18 11 2001 11 ICRA 19 ICRA Web PICS Web PICS Internet Explorer PICS Web PICS SFS & 1999 3 1999 12 2000 7 NPO
18
20 ISP IWF Internet Watch Foundation  21 National Center for Missing and Exploited Children   ²² INHOPE²³ NCMEC 1998 2000 12 24 25 26 . . .4 ISP 20 21 1996 12 1 ²² NCMEC 1984 NCMEC ²³ INHOPE Newswatch
FSM
Meldpunt Cyber Tipline NCMEC 2 1998 INHOPE ²² http //vww i aj apan org/hotl i ne/ 25 1999 ²6 http://www.iajapan.org/hotline/keywordlink.html 400 .   .5 13 3 27 31,638 -7 -7
31,638 -8 27 -8
. .6 2001 5 ISP PTA 13 2002 13 -9 13 19 2 23
.7
ISP
. . . . .1 13 Web 31 338 30
32 16 31 -10 30 Web Web Web 31 Google Web 322 Napster Gnutella Gnutella Napster WinMX 71
Web 94 52 48 26 13 -11 62 43 60
40
-11
84 42 13 -12 Web 35 -12 16
Web 81 65 55 26 39 19 10 -13 -13
Web Web SFS SFS 68 48 33 61 45 39 -14 19 ss
SFS 81 90 68 68 65 ( ) 58 55 52 61 48
SafetyOnline ( ) Web Web SafetyOnline -16 (1)SafetyOnline (2)SafetyOnline SafetyOnline
SafetyOnline SafetyOnline 58 ( ) 45 45 45 45 42 45 42 39 35 32 -17

-17  SafetyOnline
.2
1999 6 18 3 34 1423 1003 1200 35 -18 -19 -20 -21 -22 -23 -18 18
-19
1999 3 80 95 11 1999 2000 1 2 36 1,000 957 95.7 34.9 2.0 63.1 68.3% 2001 7 84.4% 8 1000 65.6% 96.4% 17.5% 27.4% 37 -20
1999 3
-22

-23
E 3 2000 2001 38 -24 Web
-24 "Protecting Our Children on the Internet" 39 -1 INCORE 1999 9 40 -1 (1) (3) (2) (4)NPO (5) 5 (4) (1) (2) 2 -2 -2 (1) (3) URL 28 (2) Web Web (3) Web (4) Web -25 -25
3 - 3 - 3 Web ISP Web ICRA ICRA ICRA ICRA 41 URL PICS URL PICS 2 3 PC . . .7
PCS PICS PICS   Platform for Internet Content Selection Web W3C World Wide Web 1995 Consortium PICS W3C 3.0 4.5 PICS
42
W3C PICS RSACi  SafetyOnline  ICRA SafeSurf 43 NetShepherd 44 2002 PICS 2 Ver1.1   PICS-1.1 45 ”Rating Services and Rating Systems (and Their Machine Readable Descriptions)  46 "   PICS ”PICS Label Distribution Label Syntax and Communication  Protocols 47 " ”PICSRules 1.1 48” 42 43 2001 3 44
43
Web PICS -4
-4
PICS
PICS 2002 3 ICRA
SafetyOnline PICS 3 <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true for "http://www.nmda.or.jp/test.html" comment "IAjapan" r( nr 1 ni 1 vu 1 vk 1 lz 1  ca 1  od 1 ) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.nmda.or.jp/test.html" comment "IAjapan" r(n 0 s 1 v 1 1 0) "http://pics.enc.or.jp/ratingsv01.html" l gen true for "http://www.nmda.or.jp/test.html" comment "IAjapan" r(n 0 s 1 v 0 1 0 e 1) )'> PICS -5 IE -5 Web 1 PICS PICS 2 PICS 3 PICS PICS PICS PICS 4 5 49 6 . . PICS PICS Web Web Web PICS PICS .1 PICS-2.0 W3C PICS PICS-2.0 W3C W3C PICS-1.1 RDF 52 RDF P3P53 CC/PP54 PICS RDF51 XML 50 PICS-2.0 * Web 50 XML Extensible Markup Language HTML   Hypertext Markup Language HTML SGML   Standard Generalized Markup Language HTML SGML W3C 1997 12 51 RDF RDF Resource Description Framework 52 Berners-Lee, Tim (1997): W3C Data Formats W3C NOTE 29-October-1997. http://www.w3.org/TR/NOTE- rdfarch 53 P3P Platform for Privacy Preferences Project W3C Web P3P 54 CC/PP Composite Capability/Preference Profiles -6
-6
W3C
55 W3C RDF PICS-1.1 RDF
RDF PICS RDF W3C PICS Interest Group 56 .2 PICS-NG “PICS-NG Label Syntax Proposal” 57 PICS PICS S S-expressions XML RDF . .3 PICS Extension Proposal to support text-based Metadata “PICS Extension Proposal to support text-based Metadata” 58 RDF PICS string PICS PICS XML  RDF ICRA . ICRA ICRA 2000 12 ICRA RSACi ICRA 5 Web ICRA 45 -27 . . ICRA Web ICRA http://www.icra.org/ 2002 2 (1) (2) Web
(3) Web (4)ICRA ICRA ICRA 59 2002 1 Web 50,232 50 URL Web Web ICRA se
Web
ICRA ICRA  2001 10 ICRA ICRA ICRA Web ICRA
2 ICRA 3 (1)ICRA (2) "Block" "Allow" (3) (4) (5) OS PC Windows9x ICRAfilter 60 ed -7
-7  ICRA
ICRA
61 (タB ock All ow -8 All l ow B ock -8   ICRA Block Allow 62 (3)ICRA 63 -9
-9
ICRA

64 ss -10 FTP Web
-10     ICRA
65 (5) ICRA Allow -11 ICRA ICRA ICRA ICRA ICRA -12 Enforcement group 2002     1 ICRA 2002
ICRAtct
67 ICRA 2001 11 AOL-TW   MSN   Yahoo! ICRA 68 ICRA Korea . . .1 29 SFS 13 10 40 SFS SFS 90 SFS SFS -28 -29
-28 SFS

-29  SFS
SFS 58% 48 13 10 6 SFS SFS -30
SFS 26 29 16 10 SFS SFS SFS - 13 50.1 50%
- 31
69
SFS SFS SFS SFS Web Web Web Web SFS SafetyOnline SafetyOnline SafetyOnline SafetyOnline . . PICS PICS-2.0 PICS RDF Web RDF XML Web Web Web RDF PICS PICS-2.0 . . ICRA ICRA ICRA ICRA