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== SPARQL Queries == | == SPARQL Queries == | ||
=== UDC Classificators in CLB-LOD === | === 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. | UDC Classificators, at the moment, are represented as literals as in MARC. A conceptual mapping, i.e. linking classificators to concepts, is planned. | ||
Revision as of 14:02, 2 October 2022
Welcome to CLB-LOD Wikibase, a Wikibase instance hosted on wikibase.cloud. This is a sandbox for working towards MARC bibliographical records LOD-ification, with the final goal of their integration in Wikidata, with CLB Czech Literary Bibliography MARC-XML data as showcase. This is a project carried out in the framework of DARIAH WG Bibliodata.
SPARQL Queries
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.
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)
See also some more SPARQL examples.
