BNB Example Queries

select-author-categories.rq

Find the categories in which an author has published works

Source File: select-author-categories.rq
Author: Leigh Dodds

PREFIX bio: <http://purl.org/vocab/bio/0.1/> 
PREFIX bibo: <http://purl.org/ontology/bibo/> 
PREFIX blterms: <http://www.bl.uk/schemas/bibliographic/blterms#> 
PREFIX dct: <http://purl.org/dc/terms/> 
PREFIX event: <http://purl.org/NET/c4dm/event.owl#> 
PREFIX foaf: <http://xmlns.com/foaf/0.1/> 
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> 
PREFIX isbd: <http://iflastandards.info/ns/isbd/elements/> 
PREFIX org: <http://www.w3.org/ns/org#> 
PREFIX owl: <http://www.w3.org/2002/07/owl#> 
PREFIX rda: <http://RDVocab.info/ElementsGr2/> 
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> 
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> 
PREFIX skos: <http://www.w3.org/2004/02/skos/core#> 
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

SELECT DISTINCT ?category ?label WHERE {
  #Match all books with Lewis as an author
  ?book dct:creator <http://bnb.data.bl.uk/id/person/LewisCS%28CliveStaples%291898-1963>;
     dct:subject ?category.

?category rdfs:label ?label.     
}
ORDER BY ?label

Test This Query

Try this query against the following endpoints:

http://bnb.data.bl.uk/sparql