Blog Archives

Harmonization efforts

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Harmonization is a fundamental task in CEDAR to improve census data quality and comparability. A first release (r1) of harmonized census data is available at the SPARQL endpoint

http://lod.cedar-project.nl:8080/sparql/cedar

under the graph group <http://lod.cedar-project.nl/resource/r1/cedar-dataset>.

The harmonization rules that have been used are available in human and machine readable format here.… (continue reading)

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CEDAR census RDF dataset alpha release, v0.1

alibobo_w3cSPARQL-logo

We’re pleased to announce the first (alpha) release of the Dutch historical censuses dataset as Linked Data. Point your browsers and applications to the SPARQL endpoint

http://lod.cedar-project.nl:8080/sparql/cedar

The conversion of the original dataset in Excel has been performed with TabLinker.… (continue reading)

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Visualizing SPARQL query results on the census

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After successfully converting to RDF a subset of the whole sample of the Dutch historical censuses, some SPARQL queries have been launched against the dataset. The goal of these queries is to retrieve the population of men living in the province of Noord-Brabant, per municipality, during the census years 1879 and 1889, sorted in descendant order.… (continue reading)

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Posted in Demos
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