the web, one huge database
DESCRIPTION
This are the underlying slides that have been used for the screen-cast http://www.youtube.com/watch?v=zwbs4ej0gpcTRANSCRIPT
$ Web == one huge DB
1st episode of the series:Linked Data for Hacker Joe
http://linkeddata.deri.ie/
http://lookup.dbpedia.org/
http://lookup.dbpedia.org/
http://dbpedia.org/resource/Darth_Vader
http://dbpedia.org/sparql
SELECT ?typedlink ?value {
<http://dbpedia.org/resource/Darth_Vader> ?typedlink ?value .
FILTER isURI(?value)
}
http://dbpedia.org/sparql
http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000000068ba0
http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000000068ba0
FOAF
http://www.w3.org/People/Berners-Lee/card#i
http://www.w3.org/People/Berners-Lee/card#i
http://sparql.org/sparql.html
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?acquaintance
FROM <http://www.w3.org/People/Berners-Lee/card>
WHERE {
<http://www.w3.org/People/Berners-Lee/card#i> foaf:knows ?acquaintance .
FILTER isURI(?acquaintance)
}
http://sparql.org/sparql.html
http://sparql.org/sparql.html
Brain Food …
• http://www.devx.com/semantic/Article/40869• http://www.jenitennison.com/blog/node/115• http://www.snee.com/bobdc.blog/2009/07/
modeling-your-data-with-dbpedi.html• http://www.cambridgesemantics.com/
2008/09/sparql-by-example/• http://linkeddata.org/guides-and-tutorials
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