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Web 3.0 Semantic Markup, Reusing Other People's Information and Providing Information of Your Own Robin Hastings [email_address] http://www.rhastings.net

Agenda ,[object Object],[object Object],[object Object],[object Object]

Agenda ,[object Object],[object Object],[object Object]

Web 3.0 Showdown ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Web 3.0 Showdown Machine-readable and -understandable information

SaaS & Mashups ,[object Object],[object Object],[object Object]

SaaS & Mashups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Semantic Web ,[object Object],[object Object],[object Object]

Semantic Web - RDF ,[object Object],[object Object],[object Object],[object Object]

<?xml version="1.0"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/ 22-rdf-syntax-ns#" xmlns:cd="http://www.recshop.fake/cd#"> <rdf:Description rdf:about="http://www.recshop.fake/cd/ Empire Burlesque"> <cd:artist>Bob Dylan</cd:artist> <cd:country>USA</cd:country> <cd:company>Columbia</cd:company> <cd:price>10.90</cd:price> <cd:year>1985</cd:year> </rdf:Description> </rdf:RDF>

RDF ,[object Object],[object Object],[object Object]

RDF - Schemas & OWL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Semantic Web - SPARQL ,[object Object],[object Object],[object Object],[object Object]

This SPARQL query selects the names of all the people I know: PREFIX table : < http://www.foaf.fake/RH #> SELECT ?name FROM <http://www.foaf.fake/RH.rdf> WHERE { ?element table :name ?name. } <foaf:knows> <foaf:Person> <foaf:nick>Cal</foaf:nick> <foaf:name>Cal Henderson</foaf:name> <foaf:mbox_sha1sum>2971b1c2fd1d4f0e8f99c167cd85d522a614b07b</foaf:mbox_sha1sum> <rdfs:seeAlso rdf:resource="http://www.iamcal.com/foaf.xml"/> </foaf:Person> </foaf:knows>

Markup for Web 3.0 ,[object Object],[object Object],[object Object]

Markup for Web 3.0 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XHTML ,[object Object],[object Object],[object Object]

Microformats ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Microformats - hCard ,[object Object]

XML ,[object Object],[object Object],[object Object]

Reduce your work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reuse your work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

require_once 'rss_fetch.inc'; $url = 'http://magpie.sf.net/samples/ imc.1-0.rdf'; $rss = fetch_rss($url); echo "Site: ", $rss->channel['title'] , "<br> "; foreach ( $rss->items as $item ) { $title = $item[title]; $url = $item[link]; echo "<a href=$url>$title</a> </li><br>"; }

RSS - ultimate recycler ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RDF Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions? Robin Hastings [email_address] http://www.rhastings.net http://webgoddess.wetpaint.com/page/Web3.0

Credits ,[object Object],[object Object]

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