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