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Schema.org and One Hundred Years of Search                            Libraries, Media and The Semantic Web               ...
In 20 minutes                     • Introduce you to the schema.org initiative                     • Revisit the Web befor...
Intro: Dan Brickley                   • Ex-W3C, helped start Semantic Web project                   • Worked on RDF/S, FOA...
Back to 1912Friday, March 30, 2012
Friday, March 30, 2012
■ The Republic of China is proclaimed.                   ■ Albert Berry makes the first parachute jump from a moving airpla...
Credit and thanks: W. Boyd RaywardFriday, March 30, 2012
Sample queries from 1912Moteur Diesel. Philosophie des mathematiques. Les pecheriesau Maroc et sur la cote dEspagne. Finan...
Friday, March 30, 2012
Search before search                     •   Paul Otlet, "the man who dreamed the Internet", http://                      ...
Libraries, media & ...?                     • Universal Decimal Classification (UDC)                         used in many 1...
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Lonclass by example                     •   R672:32.007(47)YELTSIN:342.518.1THATCHER                         “TWO SHOTS OF...
Compositional Semantics                     •   656.881:301.162.721 “LETTERS OF APOLOGY”                     •   656.881 “...
Archives and classification                     • Lonclass tells a story of the world; of this                         coun...
Friday, March 30, 2012
And now for something new.Friday, March 30, 2012
Schema.org                     • Search engine collaboration:                      • Google, Bing,Yahoo! & Yandex         ...
Example: Google Rich Snippets                         From: http://www.google.com/webmasters/tools/richsnippets           ...
On IMDB:     <div id="content-2-wide" itemscope itemtype="http://schema.org/CreativeWork">    <div class="txt-block">     ...
What’s in the schema?                     •    Classes (types) e.g. LocalBusiness, Person,                          Organi...
CreativeWork                                             event                                                       UserI...
Another example:Friday, March 30, 2012
<div itemscope itemtype="http://schema.org/Restaurant">   <span itemprop="name">GreatFood</span>   <div itemprop="address"...
Schema.org scope             • In-page structured data for search             • Not asking an unconstrained “so, how do we...
Friday, March 30, 2012
Schema.org and UDC                     • In many ways the opposite of UDC                     • Small (by contrast), pragm...
Lots missing! e.g. sports                  • Current vocabulary emphasizes points of                         interest on a...
http://www.w3.org/wiki/WebSchemas/SchemaDotOrgProposals   Job postings (done), rNews(done), Comics, Learning,   ScholaryAr...
Everything overlaps                                                                 *                     • We added JobPo...
Practicalities                     • Delegation to external sources for                         enumerations and detail   ...
Process                     • Search partners retain ultimate oversight                     • W3C hosts community group, d...
Compositional                         Semantics revisited                     • If we have SportsCentre and Karate, we    ...
And libraries                     • If the library world share their controlled                         vocabularies as op...
WebSchemas public-vocabs list                     • Schema.org process                      • Looking for rough consensus ...
Friday, March 30, 2012
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Practicalities • Delegation to external Schema.org and One Hundred Years of Search

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Practicalities • Delegation to external sources for enumerations and detail • e.g. country codes from UN FAO or Wikipedia/DBpedia/Wikidata • We don’t want to create big enumerations • all the countries? sports? things that go on maps? • Decentralised subclassing & property valuesFriday, March 30, 2012

Publié dans : Technologie, Formation

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