Class: WikidataPositionHistory::SPARQL::PositionData

Inherits:
ItemQuery
  • Object
show all
Defined in:
lib/sparql/position_data.rb

Overview

SPARQL for fetching metadata about a position

Instance Method Summary collapse

Methods inherited from ItemQuery

#initialize, #results_as, #wdqs_url

Constructor Details

This class inherits a constructor from WikidataPositionHistory::SPARQL::ItemQuery

Instance Method Details

#raw_sparql ⇒ Object 



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# File 'lib/sparql/position_data.rb', line 7

def raw_sparql
  "    # position-metadata\n\n    SELECT DISTINCT ?inception ?inception_precision ?abolition ?abolition_precision ?isPosition\n    WHERE {\n      VALUES ?item { wd:%s }\n      BIND(EXISTS { ?item wdt:P279+ wd:Q4164871  } as ?isPosition)\n      OPTIONAL { ?item p:P571/psv:P571 [ wikibase:timeValue ?inception; wikibase:timePrecision ?inception_precision ] }\n      OPTIONAL { ?item p:P576/psv:P576 [ wikibase:timeValue ?abolition; wikibase:timePrecision ?abolition_precision ] }\n      SERVICE wikibase:label { bd:serviceParam wikibase:language \"[AUTO_LANGUAGE],en\". }\n    }\n  SPARQL\nend\n"