千 葉 県 職 員 自 主 研 究 活 性 化 事 業 庁 内 SNSの 可 能 性 に 関 する 実 証 実 験 について 2007.3 千 葉 県 職 員 自 主 研 究 グループ CHIPS 研 究 会
... 5... 9... 9... 9... 10 SNS... 13... 13... 13... 14... 17... 17... 17... 17... 18 4 SNS... 19 SNS... 19 SNS... 23 SNS... 28... 31... 31 2... 34... 41... 41... 45 1
... 51... 51... 52... 61... 63... 63... 63 (1)... 63 (2)... 63 (4)CHIPS... 64 (5)... 65 (6)... 66 (7)... 66 (8)... 67 (9)... 67 (10)... 68... 69 SNS... 69 SNS 69 SNS... 71 10... 73... 73... 73... 73... 76... 77... 77... 77... 77... 78 2
... 79... 81 CHIPS... 105 CHIPS... 117 CHIPS... 123... 127 3
4
Social Networking Service CHIBA PREFECTURE SNS OpenPNE OpenPNE 5
6
7
8
1980 90 1 1996 "The Knowledge Creating Company" SECI 2 3 4 (1) (2)(3) (4) (5) SECI 1 2001 2 (1996) 3 20012002 4 1996 9
5 (4)(5) 2001 2004 6 (1)(2) (3)(4) 5 (1996) 6 (2004) 10
1997 2001 7 7 (2003) 11
12
SNS SNS (Social Networking Service) mixi 8 9 2006 3 SNS 716 2006 11 1044 10 SNS SNS SNS 11 SNS 2006 SNS 2.5% SNS NTT 12 Nexti 8 SNS 9 18 3 http://www.soumu.go.jp/s-news/2006/060413_2.html 10 SNS http://sns.satoru.net/ 11 http://www.soumu.go.jp/s-news/2005/051222_13.html 12 http://japan.internet.com/busnews/20060620/4.html http://iug.typepad.jp/blog/2006/12/nttsnsnexti_13_b6da.html 13
Blog SNS QA 3,600 1/3 NTT SNS 3 13 SNS 2006 3 SNSSNS for Ministry and Local bureaus SMILE ASP 140 2006 10 191 9 2007 3 SNS 14 1 Q&A 13 http://iug.typepad.jp/blog/cat160745/index.html 14 http://japan.cnet.com/extra/nttpcscs_200611/02/01.htm 14
15 16 15 http://iug.typepad.jp/blog/2006/12/nttsnsnexti_23_ef93.html 16 (2006) 15
17 17 16
SNS 18 SNS 18 17
SNS SNS CHIPS(Chiba Prefecture s SNS) CHIPS CHIPS CHIPS CHIPS CHIPS 2006 12 4 2008 2 2007 2 18
4 SNS SNS SNS SNS SNS SNS Web 1969 SNS 1991 WWWWorld Wide Web WWW CERN 19 Sir Timothy John Berners-Lee WWW HTML URL,http WWW WWW W3C 20 WWW (1) (2) (3) (1)(css ) (2) Web A B 19 http://www.cern.ch/ 20 The World Wide Web Consortiumhttp://www.w3.org/ 19
Web A B Web A B A B Web Blog Trackback A B Blog A B TrackBack Blog (3) Web Web (3) Sir Timothy John Berners-Lee SemanticWeb (ontoology) (SPAQL W3C 21 Web 21 http://www.w3.org/2001/sw/ 20
foaf Orkut RDF foaf project 22 (2000 foaf The Friend of a FriendRDF foaf foaf 4-1 foaf project2000 Google Orkut Bu"yu"kko"kten SNS Orlut (2004 22 http: //www.foaf-project.org 21
Orkut foaf SNS 22
90 Orkut foaf SNS SNS SNS Blog SNS BlogSNS Orkut foaf SNS SNS mixi 23
SNS SNS (a) Web (b) SNS DBMS (c) Web DBMS cgicommon Gateway Interface 3 (a) Apaahce(b) MySQL PostgreSQL (c) Perl PHP mixi Yahoo!Yahoo!Days 23.jp 24 (a)(b)(c)(c) OpenPNE SNS 4.2.3(c) SNS OpenPNE 25 OpenPNE (a)(b)(c)apaahcemysqlphp 70 Apaahce PHP MySQL OpenPNE 23 Yahoo!Dayshttp://days.yahoo.co.jp/ 24.jphttp://www.techtech.jp 25 http://openpne.jp/ 24
OpenPNE SNS OpenPNE OpenPNE OpenPNE SNS SNS SNS mixi SNS SNS OpenPNE SNS OpenPNE OS FedoraCore 24 (Red Hat Linux 9 ) 25
CentOS 4 (Red Hat Enterprise Linux ) Apaahce 1.3.*/2.0.*2.0 "MPM prefork" MySQL 4.0.*/4.1.* RPM PHP 4.3.*/4.4.* PHP mbstring PHP GD (JPEG/GIF/PNG) ImageMagick GIF mcypt Postfix 2.1.* PV / CPU 800MHz MEM 512MB PV/WEB DB OpenPNE V24 OpenPNE OpenONE OpenPNE OpenPNE SNS OpenPNE SNS SNS OpenPNE OpenPNE URL OpenPNE OpenPNE 26
OpenPNE 4-5 4-6 4-7 4-8 4-8 4-10 27
OpenPNE CHIPS SNS () 26 () SNS 27 SNS SNS Web (1) (2) (3) (4) (1)SNS Yahoo!Days HTML 4-11 Yahoo!Days mixi CHIPS 26 ()http://www.ziwave.com/ 27 http://sns.chiba-wave.jp/ 28
RDF ontology (2) OpenPNE mixi SNS (3)SNS SNS Ajax 29
(4)Web2.0 Web2.0 SNS API SNS 30
28 29 31
32
30 31 33
2 34
2 35
32 3 32 36
37
33 http://law.e-gov.go.jp/cgi-bin/idxsearch.cgi 38
39
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1 2 41
6 42
7 43
44
MIXI OpenPNE CHIPS ~ SNS OpenPNE OpenPNE ~ SNS CHIPS CHIPS CHIPS CHIPS 45
CHIPS CHIPS CHIPS CHIPS CHIPS CHIPS 46
CHIPS CHIPS CHIPS CHIPS CHIPS SNS CHIPS CHIPS CHIPS CHIPS CHIPS OpenPNE OpenPNE CHIPS CHIPS 47
CHIPS CHIPS CHIPS CHIPS CHIPS SNS CHIPS CHIPS CHIPS CHIPS OpenPNE CHIPS CHIPS OpenPNE CHIPS 48
CHIPS SNS CHIPS CHIPS CHIPS CHIPS 49
50
2 131 1 3 283 7-1 7-1 2 434 1 3 2264 7-2 7-2 2 9 2 7-3 34 12 6.5 7-3 34 1 2 51
0 0% 95 22% 174 40% 220 51% 264 61% 277 64% 301 69% 335 77% 358 82% 434 100% 0.0 5.0 5.5 6.1 6.4 6.4 6.5 6.5 6.7 6.6 52
53
1 5 2 4 23 45 3 4 6 7-6 54
2 2 9 5 9 7-7 7-8 55
2 7 6.6 1 56 7-9 pajek 35 Kamada-Kawai 7-10 pajek 3D 7-11 1 59 1 13 4 378 7-12CHIPS 35 http://vlado.fmf.uni-lj.si/pub/networks/pajek/ 56
10 (2002) 36 1973 37 36 (2002) 37 (2004) 57
58
7-11 3D TOSHI 38 38 A B 59
39 40 TOSHITOSHI TOSHITOSHI 0TOSHI 0 TOSHI 1 TOSHI 1TOSHI 7-5 7-13 4 3 TOSHI CHIPS 41 39 507, 2003 40, 2004 41 Watts=Strogatz, 1998 60
SNS 1 TOSHI 1 4 3 CHIPS 2 130 61
62