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→SPARQL Queries
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</sparql> | </sparql> | ||
=== UDC Classificators in CLB-LOD === | |||
UDC Classificators, at the moment, are represented as literals as in MARC. A conceptual mapping, i.e. linking classificators to concepts, is planned. | |||
<sparql tryit="1"> | |||
PREFIX clbwb: <https://clb-lod.wikibase.cloud/entity/> | |||
PREFIX clbdp: <https://clb-lod.wikibase.cloud/prop/direct/> | |||
PREFIX clbp: <https://clb-lod.wikibase.cloud/prop/> | |||
PREFIX clbps: <https://clb-lod.wikibase.cloud/prop/statement/> | |||
PREFIX clbpq: <https://clb-lod.wikibase.cloud/prop/qualifier/> | |||
PREFIX clbpr: <https://clb-lod.wikibase.cloud/prop/reference/> | |||
PREFIX clbno: <https://clb-lod.wikibase.cloud/prop/novalue/> | |||
select ?udc_literal (count(?wikibase_item) as ?bibitems) | |||
where { | |||
?wikibase_item clbp:P86 [clbpq:P87 ?udc_literal] . | |||
} group by ?udc_literal ?bibitems order by desc(?bibitems) | |||
</sparql> | |||
See also some more [[SPARQL examples]]. | See also some more [[SPARQL examples]]. | ||
