セマンティックWebの動向とメタデータ

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1 Web XML XML Web WG

2 RDF RSS RDF ) RSS 1.0 XHTML SVG NewsML RSS XHTML SVG NewsML RSS RSS RS S RSsS Web PDF Web 2

3 HTML title meta Web NewsML Id RDF W3C Web 3

4 HTML NewsML RSS(RDF ) XML RDF HTML(XHTML) Web 4

5 15 Subject dc:subject dc Web 5

6 Web Web Web Web Web Web 6

7 Web HTML XML (XHTML ) XHTML title meta id,class class CSS(display:none) XSLT RSS RSS Web 7

8 Web Web 1 RSS(RDF ) RSS Web 8

9 RSS RDF rdf:rdf RSS 1.0 RSS 0.9 RSS 0.91 RSS 2.0 RSS rss Web 9

10 RDF Site Summary(RSS)1.0 RDF 1.0 RDF Site Summary (RSS) is a lightweight multipurpose extensible metadata description and syndication format. RSS is an XML application, conforms to the W3C's RDF Specification and is extensible via XMLnamespace and/or RDF based modularization. RSS-DEV Working Group Web 10

11 RSS1.0 rdf: RSS Web 11

12 RSS1.0 rdf: RSS Web 12

13 XHTML RSS XHTML <title> </title> <meta name="date" content=" "/> table (caption thead th/td) <address>inline </address> XHTML class <div class="date"> </div> <div class="author"> </div> <div class="frequency" title="10"/> Web 13

14 (meta ) Web 14

15 SVG 6 Web XHTML SVG 1 XHTML 6 (6 ) Web 15

16 XHTML <html> <head> <title> / </title> <meta http-equiv="content-type" cintent="text/html; charset=shift_jis" /> </head> <body background-color="yellow"> <embed src="images/thisweek-title.svg" width="450" height="35"/> <div style="font-size:20pt; text-align:center;"> ( ) </div> SVG Web 16

17 <html> <head> meta <title> / </title> <meta http-equiv="content-type" content="text/html; charset=shift_jis" /> <meta name="dc.title" content=" "/> <meta name="dc.subject" content=" Web "/> <meta name="dc.description" content=" XML Da <meta name="dc.publisher" content="semanticweb WG"/> <meta name="dc.creator" content=" "/> <meta name="dc.date" content=" "/> <meta name="dc.format" content="text/xhtml"/> <meta name="dc.language" content="ja"/> Web 17

18 XHTML ( ) class meta item <div class="meta item"> <a name="1" /> <span class="meta item xxxx"> </span> <div class="meta item yyyyy"> </div> </div> Web 18

19 <div class="meta item"> <a name="1" /> <font size="4"><b> <span class="meta item Title"> </span></b></font><br /> <img src="images/koukinkakourei.gif" border="0" align="right" hspace="5" /> width="200" <span class="meta item Creator"> </span> <font size="4"> <span class="meta item Subject"> </span> </font><br /><br /> <span class="meta item Description"> </div> Web 19

20 RDF (XHTML) <rdf:rdf xmlns:rdf=" xmlns:rdfs=" xmlns:dc=" > <rdf:description about=" dc:title=" " dc:subject=" " dc:description=" " dc:publisher="semanticweb WG" dc:creator=" " dc:date=" " dc:format="text/xhtml" dc:language="ja" > </rdf:description> head body </rdf:rdf> Web 20

21 RSS (XSLT) 4 <title> / </title> <div style="font-size:20pt; text-align:center;"> ( )</div> meta <title> / </title> <meta name="dc.creator" content=" "/> class <div class="meta item"> <a name="6" /> <font size="4"><b>6 <span class="meta item Title"> RDF <rdf:description about=" dc:title=" " Web 21

22 meta RSS <xsl:for-each select="head/meta"> <xsl:for-each "> <xsl:when test="name()='dc.creator' "> <dc:creator><xsl:value-of </xsl:when> </xsl:for-each> </xsl:for-each> Web 22

23 class (meta item) <xsl:for-each item']"> <xsl:choose> <xsl:when <rdf:li </xsl:when> </xsl:choose> </xsl:for-each> <rss:items> <rdf:seq> <rdf:li rdf:resource=" -2.xml.htm#1" /> </rdf:seq> </rss:items> Web 23

24 RDF RSS <xsl:for-each select="rdf:rdf"> <xsl:for-each <xsl:when test="local-name()='title' "> <dc:title><xsl:value-of select="."/></dc:title> </xsl:when> </xsl:for-each> </xsl:for-each> Web 24

25 RSS rss-simple-list.xsl Web 25

26 2 RSS (2) Web 26

27 Web 27 RSS RSS makerss.xsl makerss.xsl makerss4 SVG.xsl makerss4 SVG.xsl makerss4 NewsML.xsl makerss4 NewsML.xsl rss-simple -list.xsl rss-simple -list.xsl XHTML XHTML SVG SVG NewsML NewsML XSLT RSS RSS HTML (XHTML) HTML (XHTML) RSS RSS HTML (XHTML) HTML (XHTML) XSLT RSS RSS HTML (XHTML) HTML (XHTML) XML XML XSLT XSLT

28 XML NewsML SVG RDF SVG Web 28

29 SVG title desc metadata <title> </title> <desc xmlns:sw=" <sw:meta name = "DC.Title" content = " "/> </desc> <metadata> <rdf:rdf > <rdf:description about=" dc:title=" " > </rdf:description> </rdf:rdf> </metadata> Web 29

30 SVG RSS <xsl:template match="/"> <rdf:rdf> <rss:channel> <rss:title><xsl:value-of select="svg:svg/svg:title"/></rss:title> <rss:link><xsl:value-of select="$default-uri"/></rss:link> <rss:description> <xsl:choose> <xsl:when <xsl:value-of </xsl:when> </xsl:choose> </rss:description> <rss:items> <xsl:apply-templates select="//svg:desc/sw:*"/> </rss:items> </rss:channel> <xsl:apply-templates select="//svg:desc[sw:*]" mode="item"/> </rdf:rdf> </xsl:template> <rdf:li rdf:resource /> <rss:item Web 30

31 NewsML NewsML NewsML RSS XSLT Web 31

32 NewsML <NewsML> <NewsItem> <NewsComponent xml:lang="ja" Duid="NC0001"> <NewsLines> <HeadLine>(SMIL 2.0) </HeadLine> <DateLine> T </DateLine> </NewsLines> <AdministrativeMetadata> <Creator> <Comment> <Party FormalName="W3C" /> </Creator> </AdministrativeMetadata> <Metadata> <MetadataType FormalName="newsdoc-metadata" /> <Property FormalName="DocumentDate" Value=" T " /> </Metadata> Web 32

33 NewsML RSS <xsl:template match="/"> <rdf:rdf> <rss:channel> <rss:title><xsl:value-of select="//newsitem[1]//headline[1]"/></rss:title> <rss:link><xsl:value-of select="$default-uri"/></rss:link> <rss:description> <xsl:value-of select="//newsitem[1]//headline[1]"/> </rss:description> <rss:items> <rdf:seq> <xsl:apply-templates select="//newsitem" mode="head"/> </rdf:seq> </rss:items> </rss:channel> <xsl:apply-templates select="//newsitem" mode="body"/> </rdf:rdf> </xsl:template> <rss:item Web 33

34 RSsS (Sites) RS S(RDF Summary) RSsS XHTML RSS SVG RSS NewsML RSS RSsS EXCEL Web EXCEL RS S XSL-FO PDF Web Web 34

35 RS S <!DOCTYPE rsss:rsss [ <!ENTITY file1 SYSTEM "out-rss-4.xml"> <!ENTITY file2 SYSTEM "out-rss-svg.xml"> <!ENTITY file3 SYSTEM "out-rss-newsml.xml"> ]> <rsss:rsss xmlns:rsss=" > &file1; &file2; &file3; </rsss:rsss> RSS Web 35

36 RSsS rss-simple-list.xsl RSsS-simple-list.xsl <xsl:import href="rss-simple-list.xsl"/> <xsl:template match="/"> <html> <body> <h1> (RSsS)</h1> <xsl:apply-templates select="rsss:rsss"/> </body> </html> </xsl:template> <xsl:template match="rsss:rsss"> <table border="1"> <xsl:for-each select="rdf:rdf"> <tr> <td> <xsl:apply-templates select="."/> </td> </tr> </xsl:for-each> </table> </xsl:template> Web 36

37 RSsS Web 37

38 Web 38 RSsS RSsS XHTML XHTML SVG SVG NewsML NewsML makerss.xsl makerss.xsl RSsS.xml RSsS.xml makerss4 SVG.xsl makerss4 SVG.xsl makerss4 NewsML.xsl makerss4 NewsML.xsl XSLT RSS RSS multi-rsssimple-list.xsl multi-rsssimple-list.xsl HTML (XHTML) HTML (XHTML) RSS RSS XSLT RSS RSS XML XML XSLT XSLT

39 SVG RS S HTML NewsML Web 39

40 EXCEL VBA r = startrow c = startcol Set root = doc.documentelement Set itemlist = doc.getelementsbytagname("rdf:rdf/rss:item") For i = 0 To itemlist.length - 1 Set item = itemlist.item(i) Cells(r, c + 0).Value = i + 1 Cells(r, c + 1).Value = item.selectsinglenode("rss:title").text Cells(r, c + 2).Value = item.selectsinglenode("dc:subject").text Cells(r, c + 3).Value = item.selectsinglenode("dc:publisher").text Cells(r, c + 4).Value = item.selectsinglenode("dc:creator").text Cells(r, c + 5).Value = item.selectsinglenode("dc:date").text Cells(r, c + 6).Value = item.selectsinglenode("rss:description").text r = r + 1 Next Web 40

41 Web EXCEL Web WSDL( ) Web 41

42 Web EXCEL VBA Office XP Web Services Toolkit 2.0 clsws_rsssservices1 struct_rsssitem WSDL XML SOAP WSDL Web 42

43 VBA Web Dim svcrsss As New clsws_rsssservices1 Dim item() As struct_rsssitem Dim itemcount As Integer itemcount = svcrsss.wsm_getrsssitemlist( item ) r = startrow For i = 0 To itemcount - 1 c = startcol Cells(r, c + 0).Value = i + 1 Cells(r, c + 1).Value = item(i).title Cells(r, c + 2).Value = item(i).subject Cells(r, c + 3).Value = item(i).publisher r = r + 1 Next Web itemcount item Web 43

44 RS S PDF RS S JepaX XSLT JepaX XSL-FO XSLT 2001 XSL-FO PDF Apache XML FOP XML Week ( ) WG XSL XSLT SWG Web 44

45 RS S JepaX <xsl:template match="rdf:rdf"> <div type=" "> <head><title><xsl:value-of select="rss:channel/rss:title"/></title></head> <table> <tr><th> </th><td><xsl:value-of select="rss:channel/rss:description"/></td></tr> <xsl:apply-templates select="rss:channel/*" mode="supplementmodule"/> </table> <xsl:for-each select="rss:item"> <div type=" "> <head><title><xsl:value-of select="rss:title"/></title></head> <table> <tr><th> </th><td><xsl:value-of select="rss:description"/></td></tr> <xsl:apply-templates select="*" mode="supplementmodule"/> </table> </div> </xsl:for-each> </div> </xsl:template> Web 45

46 RS S (PDF) Web 46

47 Web 47 RS RS S DOM DOM RSsS.xml RSsS.xml Imported RSsS.xml Imported RSsS.xml XHTML XHTML SVG SVG NewsML NewsML makerss.xsl makerss.xsl makerss4 SVG.xsl makerss4 SVG.xsl makerss4 NewsML.xsl makerss4 NewsML.xsl copy.xsl copy.xsl SitesInfoByRSsS.xls SitesInfoByRSsSWS.xls Web IIS Web XSLT FOP JepaX JepaX XSL-FO XSL-FO XSL-FO.xsl.xsl RSS RSS PDF RSS RSS RSS RSS XML XML XSLT XSLT EXCEL

48 Web RSS RS S DB Web XML RDF RDF Web Web 48

49 RSS RSS 0.9 RSS 0.91 RSS 1.0 Web 49

50 RSS 0.9 (RDF Site Summary) Web RDF XML 10 channel item(15 ) title link These elements include the notion of a "channel," that contains up to 15 "item"s, each of which consist of a "title" and a "link." Webmasters could use RSS 0.9 files to syndicate their content, using links (no descriptions) to their stories. The format is still quite popular, with about 45% of RSS files surveyed in May, Web 50

51 RSS 0.9 DTD <!ELEMENT rdf:rdf (channel image? item+ textinput?)*> <!ATTLIST rdf:rdf xmlns:rdf CDATA #FIXED " xmlns CDATA #REQUIRED>  <!ELEMENT channel (title description link)*> <!ELEMENT title (#PCDATA)> <!ELEMENT description (#PCDATA)> <!ELEMENT link (#PCDATA)> <!ELEMENT image (title url link)*> <!ELEMENT url (#PCDATA)> <!ELEMENT item (title link)*> <!ELEMENT textinput (title description name link)*> <!ELEMENT name (#PCDATA)> Web 51

52 <rdf:rdf xmlns:rdf=" xmlns=" > <channel> <title> </title> <description> </description> <link> </link> </channel> <item> <title> </title> <link> </link> </item> item 15 </rdf:rdf> Web 52

53 RSS 0.91 (Rich( Rich Site Summary) In July 1999 Netscape introduced RSS 0.91 (re-dubbed "Rich Site Summary"), incorporating most of the features of UserLand's <scriptingnews> 2.0b1 format added 14 elements to better describe channels, items, and update frequency, including a new "description" element for items (what some call "leads" or "blurbs"). Web 53

54 RSS 0.91 DTD Web 54

55 <rss </rss> version="0.91"> <channel> RSS 0.91 <title> </title> <description> </description> <link> </link> <pubdate> </pubdate> <item> </item> </channel> <title> </title> <description> </description> <link> </link> language rating item 15 Web 55

56 RSS 1.0 (RSS-Dev ) RSS RSS 0.9 (0.91 ) RDF Dublin Core (xmlns:dc=" Syndication (xmlns:sy=" Content (xmlns:content=" Web 56

57 W3C XML (RDF,RSS ) W3C RDF Primer RSS What is RSS? (XML.com) rss Web 57

Web (RDF) RDF RSS FOAF RDF Web RDF RDF google rdf filetype:rdf rdf Web 122, , [1] ( ) [2] RDF RSS 6

Web Web NEC Web (RDF) RDF RSS FOAF RDF Web RDF RDF google rdf filetype:rdf rdf Web 122,000 2003 11 5,440 2003 5 7 [1] ( http://www.atmarkit.co.jp/ ) [2] RDF RSS 6% 7% 39% RDF RSS 42% RSS (RDF Site Summary)