Version 1 by Vladimir Alexiev
on May 03, 2012 09:59.

compared with
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h3. Things from RS, vital data from DBpedia

Painting authors from RS, add from DBpedia: date/place of birth/death
- The only matches (from RDF Search and Explore) are:
-- [http://factforge.net/resource/dbpedia/Rembrandt]
-- [http://factforge.net/resource/dbpedia/Jacobus_Houbraken] ("Jacob Houbraken" in RS)
-- [http://factforge.net/resource/dbpedia/George_Hendrik_Breitner] ("Breitner, George Hendrik" in RS)
- so we have to add some sameAs assertions:
{noformat}
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX dbpedia: <http://dbpedia.org/resource/>
PREFIX rkd-artist: <http://rkd.nl/thesaurus/artist/>
INSERT DATA {
dbpedia:Rembrandt owl:sameAs rkd-artist:Rembrandt.
dbpedia:George_Hendrik_Breitner owl:sameAs rkd-artist:Breitner_George_Hendrik.
dbpedia:Jacobus_Houbraken owl:sameAs rkd-artist:Houbraken_Jacob.
}
{noformat}
- then TODO

h3. Things in RS

FILTER(lang(?title)="en")}
{noformat}
-- - Note1: the range of <[http://dbpedia.org/property/works]> is string not URI of the painting?\!
-- - PREFIX fb: <[http://rdf.freebase.com/ns/]> is not useful since the property uses slashes, so fb:visual_art/visual_artist/artworks is not valid syntax. (FF wrongly suggests the property is visual_art.visual_artist.artworks)

h1. Demo Queries

h3. Things from RS, together with vital data from DBpedia
Painting authors from RS, add vital data (date/place of birth/death) from DBpedia
- The only matches (from RDF Search and Explore) are:
-- [http://factforge.net/resource/dbpedia/Rembrandt]
-- [http://factforge.net/resource/dbpedia/Jacobus_Houbraken] ("Jacob Houbraken" in RS)
-- [http://factforge.net/resource/dbpedia/George_Hendrik_Breitner] ("Breitner, George Hendrik" in RS)
- so we have to add some sameAs assertions:
{noformat}
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX dbpedia: <http://dbpedia.org/resource/>
PREFIX rkd-artist: <http://rkd.nl/thesaurus/artist/>
INSERT DATA {
dbpedia:Rembrandt owl:sameAs rkd-artist:Rembrandt.
dbpedia:George_Hendrik_Breitner owl:sameAs rkd-artist:Breitner_George_Hendrik.
dbpedia:Jacobus_Houbraken owl:sameAs rkd-artist:Houbraken_Jacob.
}
{noformat}
- then query:
{noformat}
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dbp-prop: <http://dbpedia.org/property/>