r introduction clariah hisco grlc linked data history hiscam occupations sparql napp ipums census data digital history rstudio stratification classification amsterdam archive throw-away-science humanities social sciences open data github query dhb2017 tutorial catasto lod dh cow dhbl2017 sparql2git csvw on the web inspector qber occupational coding historical demography ehps female labour force participation nhgis u-shape curve us occhisco social mobility methods social inequality labour relations work shifts inequality linkable data semantic web structured data hub strikes digital humanities macro-micro links data manipulation examine data import data structured data sub linked open data
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