...........PICS..PICS. ICRA..ICRA..ICRA..ICRA....ICRA.......PICS..ICRA
. e-japan e-japan2002 Internet Content Rating Association ( ICRA ) Web
18 18 SFS Platform for Internet Content Selection( PICS ) PICS Web W3CWorld Wide Web Consortium 1996 1997 Platform for Internet Content Selection PICS Web Web HTTP PICS Web Web URL URL ICRA Internet Content Rating Association ICRA 1998 10 IWF ECO RSAC 3 1999 5 ICRA 501 (c)(3) ICRA
Web Web Web Web
... ISP...1 ISP 1998 5 1999 4 1 2001 13 52 2001 4 1 ISP ISP ISP 38 8 5 ( ) 30 31 7 1
( ) ) 2 8 18 18 18 18 31 8 2 31 8 4 ( ) 31 10
1 18 2... 18 18 (under 18) 18 (18 or over) 18 ID 31 8 4 1 2000 2 18 18 18 2000
JCB AMERICAN EXPRESSVISAMasterCard 18 ID ISP (1) (2) (3) 11
3 1998 2 ISP ISP (1) (2) (3) 4 12 ISP -1 3 http://www.telesa.or.jp/guide.html 4 (1) (2)
-1ISP ISP 2001 3 5 Nifty 460?? BIGLOBE 363?? OCN 230?? DION 180 So-net 164?? ODN 137?? ZERO 101.7?? Panasonic Hi-Ho 93?? 92?? 70? AOL 50 47?? 2285 ISP 5 http://www.nmda.or.jp/nmda/netchousa/net0103.html
ISP 12 ISP -2-2ISP ISP 2001 3 Web Nifty 460 BIGLOBE 363 OCN 230 DION 180? WebSENSE So-net 164 ODN 137 ZERO 101.7 Panasonic Hi-Ho 93 92 70 AOL 50? 47 2285 ISP 2002 2 ISP 46% 3 AOL 6 Web -3 6 http://www3.aol.co.jp/top/anzen/2_3.html
-3AOL 12 13 18 NO?? AOL??????
-4 7-4 URL Yahoo!Japan Yahoo! http://kids.yahoo.co.jp/ Google Goo Goo LYCOS Japan goo goo http://kids.goo.ne.jp/ http://www.goo.wnn.or.jp/cgibin/proc/searchdspk.cgi LYCOS http://kids.lycos.co.jp/ So-net http://www.so-net.ne.jp/kids/ Web 8 Web Web
...2-5 -5 CYBERsitter II URL +PICS 9,800 + 2,000 Web 3 800 URL + + Cyber Patrol 85 2001 1 7,800 + 3,900 i- URL + 89 7,800 / + 2001 10 3,600 KidsGoGoGo / 50 5,800 15 2001 11 SmartFilter URL 26 1 50 37 19 8 4 2001 2 WebSENSE URL + 16 160 1 25 / URL2000 12 14 7,500 Bess URL 18 430 59 8 2001 1 1 76 600 SFS2.0 URL + 45 / 2002 2 +PICS SFS3.0 Internet URL +PICS Explorer3.0
PICS PICS...3 NPO JAIPA 9 10 URL 10 1 URL URL 11 TAO TAO 4000 40000 SFS 12 9 http://www.jaipa.org/ 10 http://www.jaipa.org/active/edu_index.html 11 http://www.schoolnet.gr.jp/ 12
13 E 14 PICS SFS 15 2001 4 SFS2.0 (2001 1 ) 1239 377 319 84 423 36-6 -6SFS2.0 20014 40 31 9 17 0 97 20015 194 93 38 138 0 463 20016 234 142 44 212 4 636 20017 260 172 51 223 6 712 20018 275 192 58 233 7 765 20019 293 208 61 241 8 811 200110 323 249 70 275 14 931 200111 338 277 74 317 17 1023 200112 348 280 77 343 19 1067 20021 377 319 84 423 36 1239 1999 4 SFS1.0 (2001 4 ) 791 333 259 56 143 URL 2002 2 45 URL PICS 2001 20 2002 1 13 http://www.edu.ipa.go.jp/e-square/ 14 http://www.edu.ipa.go.jp/e-square/index.html 15 http://www.iajapan.org/rating/
Web SFS PICS Internet Explorer3.0 PICS SafetyOnline 16 17 PICS 18 2001 11 11 ICRA 19 ICRA Web PICS PICS PICS Web Web SFS Internet Explorer PICS & 1999 3 1999 12 2000 7 NPO 16 http://www.nmda.or.jp/enc/rating/rating-standard.html 17 http://www.icec.or.kr/2001 10 PTA 18 http://211.253.9.170:8080/icec/front/english/center2.htm 19
20 ISP IWFInternet Watch Foundation 21 NCMEC National Center for Missing and Exploited Children 22 INHOPE 23 1998 2000 12 24 25 26...4 ISP 20 21 1996 12 1 22 NCMEC 1984 NCMEC 23 INHOPE IWF FSM Newswatch Redd Barna Meldpunt Cyber Tipline NCMEC 1998 2 1999 INHOPE 24 25 26 http://www.iajapan.org/hotline/keywordlink.html
400 ISP...5 13 3 27 31,638-7 -7 31,638 24,888 78.7% 22,546 71.3% 7,666 24.2% 1,777 5.6 31,638-8 27 2001 9 38,995 http://www.mext.go.jp/b_menu/kensaku/index.htm
-8 31,638 17,858 56.4% 28 2,750 8.7% 10,530 33.2% 500 1.6...6 2001 5 ISP PTA 13 2002 3 13 13-9 29 19 2 28
-9 13 12 3,282 2,896 386 2,647 1,352 1,295 2,267 1,884 383 2,099 1,301 798 1,963 1,396 567 1,335 505 830 3,684 1,801 1,883 17,277 11,135 6,142...7 ISP ISP
.....1 13 Web 338 31 97 Web 94 71 30 42 23 31 32 16-10 30 Web Web Web Google Web 31 32 Napster Gnutella Napster Gnutella WinMX
-10 1.Web 29 2. 22 3. 7 4. 13 5. 5 6. 30 7. 5 8. 2 Web 94 52 48 26 13-11 62 43 60 40-11 1.Web 29 2. 15 3. 4 4. 8 5. 2 6. 16 7. 3 8. 2 9. 0
Web 84 42 35 16 13-12 -12 1.Web 26 2. 11 3. 5 4. 4 5. 1 6. 13 7. 0 8. 1 9. 2 Web 81 65 55 39 26 19 10-13
-13 1.Web 25 2. 17 3. 12 4. 3 5. 6 6. 20 7. 8 8. 3 WAREZ i-mode Web Web SFS SFS 68 33 61 48 45 39 19-14
-14 SFS SFS 1. 21 2. 19 3. 15 4. 4 5. 12 6. 14 7. 6 8. 5 Web (^^ SFS 90 81 68 68 65 61 61 ( ) 58 58 55 52 48 45-15
-15 1. 28 2. 25 3. 19 4. 20 5. ( 18 6. 14 7. 16 8. 21 9. 17 10. 15 11. 6 12. 21 13. 19 14. 18 15. 6 16. 3 17. 7 18. 7 OK NG SafetyOnline
SafetyOnline ( ) Web Web SafetyOnline -16 (1)SafetyOnline (2)SafetyOnline SafetyOnline
-16 SafetyOnline n s v l e 3/4 14 14 14 1 1 SafetyOnline SafetyOnline 58 ( ) 45 45 45 45 45 42 42 39 35 32-17
-17SafetyOnline SFS SafetyOnline 5 SafetyOnline 1. 13 2. ( 14 3. 10 4. 14 5. 14 6. 12 7. 11 8. 13 9. 14 10. 18 11. 14 12. 8 13. 2 14. 6 15. 3
...2 Bertelsmann Foundation Australian Broadcasting Authority, ABA 1999 6 18 3 34 1423 1003 1200 35-18 -19-20 -21-22 -23-18 18 63 91 79 2 3 9 35 6 12-19 82 95 82 4 2 10 14 3 8 1999 3 80 95 2000 1 11 1999 2 36 1,000 957 95.7 34 Jens Waltermann,Machill Marcel (eds.) (2000): Protecting Our Children on the Internet: Towards a New Culture of Responsibility: Bertelsmann Foundation Publishers. 35 605 698 718
34.9 63.1 2.0 2001 7 8 68.3% 84.4% 1000 65.6% 96.4% 17.5% 27.4% 37-20 20 73 20 15 18 3 42 9 36 http://www.yusei.go.jp/pressrelease/japanese/denki/000413j601.html
-21 27 35 24 18 20 15 7 5 6 4 2 2 5 3 1 6 3 72 64 76 1 1 1999 3-22 58 83 61 23 11 21 19 6 18
-23 68 86 68 23 11 21 9 3 11 E 2000 2001 38 3-24 Web
-24 99.6 100.0 98.7 98.4 91.1 36.0 65.1 62.8 39.0 38.6 49.7 75.2 77.0 89.6 37.5 89.6 73.0 72.8 79.9 76.9 16.4 40.6 39.1 35.5 24.2 16.7 32.2 34.4 16.2 10.3 2.8 26.2 30.2 5.2 2.9 12.1 38.1 23.6 7.6 5.6 31.8 48.2 42.8 11.3 3.6 61.6 71.5 64.9 45.9 20.8 26.5 38.3 37.3 34.9 14.5 51.5 46.6 46.8 19.2 24.7 2.4 48.2 51.6 4.4 2.1 n=1236 n=1019 n=713 n=5897 n=798
.. "Protecting Our Children on the Internet" 39-1 INCORE 1999 9 40-1 / / / (1) (2) (3) (4)NPO (5) 5
(1) (2) (3) (4) (1) 2 URL -2-2
(2) Web Web (3) Web (4) Web -25-25 Web (1) (2) Web Web (3) (4) 100%
2 3 Web ISP Web ICRA ICRA ICRA ICRA 41 41 http://www.icra.org/_ja/ja_quest.html
URL PICS URL PICS 2 3 PC...7-26
-26 ISP? PICS???
...PICS PICSPlatform for Internet Content Selection Web W3CWorld Wide Web Consortium 1995 PICS W3C 3.0 4.5 PICS 42 W3C PICS RSACi SafetyOnline ICRA SafeSurf 43 NetShepherd 44 PICS 2002 2 Ver1.1PICS-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 2001 3 43 Safesurf 44 NetShepherd
PICS Web PICS -4-4PICS PICS 2002 3 PICS ICRA RSACi SafetyOnline 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 l 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 l 0 e 1) )'> PICS -5-5PICS Web IE IE IE -5 Web 1 PICS PICS 2 PICS 3 PICS PICS
4 PICS 5 PICS 49 6..PICS PICS Web Web Web PICS PICS...1 PICS-2.0 W3C PICS PICS-2.0 W3C W3C XML 50 RDF 51 PICS-1.1 RDF PICS-2.0 52 RDF P3P 53 CC/PP 54 PICS Web 50 XML Extensible Markup Language HTMLHypertext Markup Language HTML SGMLStandard Generalized Markup Language HTML SGML 1997 12 W3C RDF Resource Description Framework RDF 52 Berners-Lee, Tim (1997): W3C Data Formats W3C NOTE 29-October-1997. http://www.w3.org/tr/noterdfarch 53 P3P Platform for Privacy Preferences Project W3C Web P3P 54 CC/PP Composite Capability/Preference Profiles
可能になる 図 ３-6参照のこと 図 ３-6 W3C のデータ形式のアーキテクチャ55 W3C が RDF を策定する際の要求事項の中には PICS-1.1 ラベルが表現でき るすべてのものを RDF でも表現できるということと PICS-1.1 ラベルを RDF 形式に情報の欠落なしに翻訳できるということがあった W3C によれば PICS に関する将来の技術開発は それを RDF を用いた形式に進化させることだとい う W3C PICS Interest Group は この移行の適切な時期を決定するために設 立された56 ３.２.２.2 PICS-NG PICS-NG Label Syntax Proposal という論文 57では PICS のための新しい ラベルシンタックスが提案されている この新しいラベルシンタックスは PICS ラベルを標準の S 式 S-expressions として構文解析することを可能に するものである XML や RDF には準拠していない ３.２.２.3 PICS Extension Proposal to support text-based Metadata PICS Extension Proposal to support text-based Metadata という論文 58で コンテンツの提供の仕方を変えるための機構 デバイスの能力などの情報はメタデータであるため RDF で記述 する http://www.tom.sfc.keio.ac.jp/~torry/publications/docomo2001/slides/ccpp-p3p.htmlを参考にした 55 Berners-Lee, Tim (1997): W3C Data Formats W3C NOTE 29-October-1997. http://www.w3.org/tr/noterdfarchより 56 Berners-Lee, Tim 他 (2001): Frequently Asked Questions about RDF. http://www.w3.org/rdf/faqより 57 Lassila, Ora (1997): PICS-NG Label Syntax Proposal. http://www.w3.org/pics/draft-lassila-pics-ng-labelsyntax.html 58 Renato Iannella (1997 : PICS Extension Proposal to support text-based Metadata. http://www.dstc.edu.au/research/projects/rdf/proposal02.html 47
PICS string PICS PICS XML RDF
. ICRA..ICRA ICRA 2000 12 RSACi ICRA ICRA 5 Web 45-27 ICRA..ICRA Web ICRA http://www.icra.org/ 2002 2 (1) URL (2) Web Web Web (3) Web Web (4)ICRA ICRA Web ICRA 59 2002 1 50,232 50 ICRA ICRA Web Web
-27ICRA ICRA ICRA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
..ICRA ICRA 2001 10 ICRA ICRA Web 2002 2 ICRA ICRA ICRA 3 (1)ICRA (2) "Block" "Allow" (3) (4) (5) Windows9x OS PC ICRAfilter 60
(1) ICRA ICRA -7 61-7ICRA ICRA 61 ICRA
62-8ICRA Block Allow ICRA
(3)ICRA 63-9 64-9ICRA 63 Block Allow 64 ICRA
(4) ICRA -10 FTP Web -10ICRA 65 (5) ICRA Allow -11 65 ICRA
66-11ICRA.. ICRA ICRA ICRA ICRA ICRA ICRA -12 2002 1 Enforcement group 66 ICRA
-12 ICRA..ICRA 2002 2 ICRAtct 2001 11 67 ICRA 2001 11 AOL-TWMSNYahoo!ICRA 68 ICRA Korea 67 http://www.newsbytes.com/news/01/172539.html 68 http://www.gii.co.jp/press/fin2932_jp.shtml
......1 SFS 40 29 13 10 SFS SFS 90 SFS SFS -28-29 SFS -28SFS 1. 9 2. 9 3. 8 4. 3 5. 2-29SFS SFS 15 4 3 3 2 1 1 1 SFS 58% 48 13 10 10 6 SFS
SFS SFS -30-30SFS SFS 9 8 5 3 1 Java 1 1 1 SSL 1 1 IE6.0 HTTPS 1 1 SFS 29 26 16 10 SFS SFS SFS 50.1 50%
SFS 69 AOL YoungTeen AOL MatureTeen Cyber Patrol 4 Cybersitter 2000 Cyber Snoop Internet Guard Dog Net Nanny4 Norton Internet Security Family Edition 100 70 77 78 10 70 48 80 69 "Consumer Reports"2001 3
SFS SFS SFS SFS.. Web Web Web Web SFS SafetyOnline
SafetyOnline SafetyOnline SafetyOnline..PICS PICS-2.0 RDF Web RDF XML Web Web Web RDF PICS PICS-2.0..ICRA ICRA ICRA ICRA