Microformats

microformats barcamp rhein-neckar matthias pfefferle 1

microformats.org über microformats • Designed for humans ﬁrst and machines second, microformats are a set of simple, open data formats built upon existing and widely adopted standards. 2

ein beispiel: 3

hCalendar 4

<p class=quot;veventquot;> <span class=quot;summaryquot;>Barcamp Rhein-Neckar</span>, von Samstag den <abbr class=quot;dtstartquot; title=quot;2007-11-24T11:00:00 +02:00quot;>24.11. um 11:00 Uhr</abbr> bis Sonntag <abbr class=quot;dtendquot; title=quot;2007-11-25quot;>25.11.07</abbr> an der <a href=quot;http://www.gestaltung.hs-mannheim.de/quot; class=quot;url locationquot;>Hochschule Mannheim, Fakultät für Gestaltung</a>. </p> 5

was sind microformats? 11

microformats prinzipien • solve a speciﬁc problem • start as simple as possible • design for humans ﬁrst, machines second • reuse building blocks from widely adopted standards • modularity / embeddability • enable and encourage decentralized 12

andere begriffe • semantic XHTML • real world semantics • lowercase semantic web • lossless XHTML 13

deﬁnition von microformats 15

wiederverwendung von verbreiteten standards 16

beispiel hCalendar und iCalendar (RFC 2445) 17

BEGIN:VCALENDAR PRODID:-//suda.co.uk//X2V 0.9.2.1 (BETA)//EN X-ORIGINAL-URL:http://notizblog.org/ X-WR-CALNAME;CHARSET=utf-8: VERSION:2.0 METHOD:PUBLISH BEGIN:VEVENT LOCATION;CHARSET=utf-8:Hochschule Mannheim, Fakultät für Gestaltung SUMMARY;CHARSET=utf-8:Barcamp Rhein-Neckar URL:http://www.gestaltung.hs-mannheim.de/ DTSTART;VALUE=DATE-TIME:20071124T090000Z DTEND;VALUE=DATE:20071125 END:VEVENT END:VCALENDAR 19

beispiel hCard und vCard (RFC 2426) 20

<p class=quot;vcardquot;> <span class=quot;fn org locationquot;> Hochschule Mannheim, Fakultät für Gestaltung </span> <span class=quot;adrquot;> <span class=quot;street-addressquot;>Windeckstr. 110</span> <span class=quot;postal-codequot;>68163</span> <span class=quot;localityquot;>Mannheim</span> </span> </p> 21

BEGIN:VCARD VERSION:3.0 N:;;;; ORG;CHARSET=UTF-8:Hochschule Mannheim, Fakultät für Gestaltung FN;CHARSET=UTF-8:Hochschule Mannheim, Fakultät für Gestaltung UID: ADR;CHARSET=UTF-8:;;Windeckstr. 110;Mannheim;;68163; END:VCARD 22

weitere microformats 23

XFN XHTML friendly network 24

beispiel <a href=quot;http://example.orgquot; rel=quot;friend metquot;> <a href=quot;http://example.orgquot; rel=quot;contactquot;> <a href=quot;http://example.orgquot; rel=quot;colleague co-residentquot;> <a href=quot;http://example.orgquot; rel=quot;mequot;> 25

• rel-license - bsp.: creative commons • rel-nofollow - bsp.: google • geo - um geo-daten anzugeben • hAtom - pendant zu dem atom-feed • hResume • hReview 26

warum sollte ich microformats einsetzen? 27

effektivere suche 28

dezentrale communities und services 30

single sign on 32

data portability 34

social network portability 36

exportieren von kontakt bzw. kalender daten 39

wer nutzt microformats? 45

webseiten • Yahoo (ﬂickr, upcoming) • Google (Search, Blogger, Maps) • Apple (.Mac, Apple Store) • BBC • WordPress • LastFM 46

tools • Firefox (nativ in ﬁrefox 3) • mehrere Safari Plugins • IE 8 soll microformats unterstützen • vCard explorer 47

warum microformats und nicht z.b. rdfa 48

microformats • valides html (posh) • weite verbreitung • abbildung bestehender standards • einfache implementierung (classes) 49

hCard <div class=quot;vcardquot;> <img src=quot;http://evan.prodromou.name/images/Evan48.jpgquot; alt=quot;photoquot; class=quot;photoquot;/> <a class=quot;url fnquot; href=quot;http://evan.prodromou.name/quot;>Evan Prodromou</a> <div class=quot;adrquot;> <div class=quot;street-addressquot;>1481 rue Rachel Est</div> <span class=quot;localityquot;>Montreal</span>, <span class=quot;regionquot;>QC</span> <span class=quot;postal-codequot;>H2J2K3</span> </div> <div class=quot;telquot;>+1-514-554-EVAN</div> <a class=quot;emailquot; href=quot;mailto:evan@prodromou.namequot;>evan@prodromou.name</a> </div> 50

RDFa vCard <div class=quot;vcardquot; xmlns:v=quot;http://www.w3.org/2001/vcard-rdf/3.0#quot; about=quot;http://evan.prodromou.name/quot;> <img src=quot;http://evan.prodromou.name/images/Evan48.jpgquot; alt=quot;photoquot; property=quot;v:photoquot;/> <a property=quot;v:FNquot; href=quot;http://evan.prodromou.name/quot;>Evan Prodromou</a> <div role=quot;v:ADRquot;> <div property=quot;v:Streetquot;>1481 rue Rachel Est</div> <span property=quot;v:Localityquot;>Montreal</span>, <span property=quot;v:Regionquot;>QC</span> <span property=quot;v:Postal-codequot;>H2J2K3</span> </div> <div role=quot;v:TELquot;> <span property=quot;v:Typequot;>Voice</span>: <span property=quot;v:Valuequot;>+1-514-554-EVAN</span> </div> <a rel=quot;v:EMAILquot; href=quot;mailto:evan@prodromou.namequot;>evan@prodromou.name</a> </div> 51

microformats und das semantic web 52

grddl und xslt 53

<!DOCTYPE html PUBLIC quot;-//W3C//DTD XHTML 1.1//ENquot; quot;http://www.w3.org/TR/xhtml11/DTD/ xhtml11.dtdquot;> <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xml:lang=quot;enquot; lang=quot;enquot;> <head profile=quot;http://www.w3.org/2003/g/data-viewquot;> <title>Robin's Schedule</title> <link rel=quot;transformationquot; href=quot;http://www.w3.org/2002/12/cal/glean-hcalquot;/> </head> <body> <p class=quot;veventquot;> <strong class=quot;summaryquot;>Fashion Expo</strong> in <span class=quot;locationquot;>Paris, France</span>: <abbr class=quot;dtstartquot; title=quot;2006-10-20quot;>Oct 20</abbr> to <abbr class=quot;dtendquot; title=quot;2006-10-23quot;>22</abbr> </p> </body> </html> 54

<?xml version=quot;1.0quot; encoding=quot;utf-8quot;?> <rdf:RDF xmlns:dataview=quot;http://www.w3.org/2003/g/data-view#quot; xmlns:rdf=quot;http://www.w3.org/1999/02/22-rdf-syntax-ns#quot; xml:base=quot;http://microform.at/test/grddl.htmlquot;><c:Vcalendar xmlns:r=quot;http://www.w3.org/1999/02/22-rdf-syntax-ns#quot; xmlns:c=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:h=quot;http://www.w3.org/1999/xhtmlquot; r:about=quot;quot;> <c:prodid>-//connolly.w3.org//RDF Calendar $Date: 2007/06/30 19:05:32 $ (BETA)//EN</ c:prodid> <c:version>2.0</c:version> <c:component> <c:Vevent> <summary xmlns=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xml:lang=quot;enquot;>Fashion Expo</summary> <dtstart xmlns=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; r:datatype=quot;http://www.w3.org/2001/XMLSchema#datequot;>2006-10-20</ dtstart> <dtend xmlns=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; r:datatype=quot;http://www.w3.org/2001/XMLSchema#datequot;>2006-10-23</dtend> <url xmlns=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; r:resource=quot;quot;/> <location xmlns=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xml:lang=quot;enquot;>Paris, France</location> </c:Vevent> </c:component> </c:Vcalendar> </rdf:RDF> 56

links • http://mikroformate.org • http://planetmikroformate.de • http://planetmicroformats.com/ • mein blog: http://notizblog.org/tag/ microformats/ 58

http://notizblog.org	30
http://www.slideshare.net	3
http://gaesteb.ga.ohost.de	2
http://www.online-mädchen.de	1
http://om.notizblog.org	1

Microformats

by Matthias Pfefferle on Nov 27, 2007

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Microformats — Presentation Transcript