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| Version | User | Scope of changes |
|---|---|---|
| Sep 10 2008, 6:43 PM EDT (current) | webgoddess | 21 words added |
| Sep 10 2008, 6:41 PM EDT | webgoddess | 29 words added, 22 words deleted |
Changes
Key: Additions Deletions
Data stolen liberally from http://www.robertprice.co.uk/robblog/archive/2004/10/What_Is_An_RDF_Triple_.shtml - this page gives an excellent explanation of the data. Only the SPARQL query is mine!
RDF Example:
Triple Example
RDF Example:
<foaf:knows>
SPARQL Example
<foaf:Person>
<foaf:nick>Cal</foaf:nick>
<foaf:name>Cal Henderson</foaf:name> <foaf:mbox_sha1sum>2971b1c2fd1d4f0e8f99c167cd85d522a614b07b</foaf:mbox_sha1sum>
</foaf:knows><rdfs:seeAlso rdf:resource="http://www.iamcal.com/foaf.xml"/></foaf:Person>
SPARQL Example
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. }
Pulls out Cal Henderson from the above file
SELECT ?name
FROM <http://www.foaf.fake/RH.rdf>
WHERE { ?element table:name ?name. }
Pulls out Cal Henderson from the above file
Triple Example
| 1 | genid:ARP40722 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://xmlns.com/foaf/0.1/Person |
| 2 | genid:ARP40722 | http://xmlns.com/foaf/0.1/nick | "Cal" |
| 3 | genid:ARP40722 | http://xmlns.com/foaf/0.1/name | "Cal Henderson" |
| 4 | genid:ARP40722 | http://xmlns.com/foaf/0.1/mbox_sha1sum | "2971b1c2fd1d4f0e8f99c167cd85d522a614b07b" |
| 5 | genid:ARP40722 | http://www.w3.org/2000/01/rdf-schema#seeAlso | http://www.iamcal.com/foaf.xml |
| 6 | genid:me | http://xmlns.com/foaf/0.1/knows | genid:ARP40722 |
