Created
May 21, 2018 09:54
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#!/bin/env ruby | |
require 'csv' | |
require 'rest-client' | |
#--------------------------------------------------------------------------- | |
# Find all P4100s from the ALDE disambiguation item to the proper one | |
#--------------------------------------------------------------------------- | |
WIKIDATA_SPARQL_URL = 'https://query.wikidata.org/sparql' | |
def sparql(query) | |
result = RestClient.get WIKIDATA_SPARQL_URL, accept: 'text/csv', params: { query: query } | |
CSV.parse(result.body, headers: true, header_converters: :symbol) | |
rescue RestClient::Exception => e | |
raise "Wikidata query #{query} failed: #{e.message}" | |
end | |
memberships_query = <<SPARQL | |
SELECT ?item ?ps | |
{ | |
?item p:P39 ?ps . | |
?ps ps:P39/wdt:P279* wd:Q17556530 ; pq:P4100 wd:Q23919488 . | |
} | |
SPARQL | |
sparql(memberships_query).map(&:to_h).each do |row| | |
puts [row[:item].split('/').last, 'P39', row[:ps].split('/').last, '-P4100', 'Q23919488'].join("\t") | |
puts [row[:item].split('/').last, 'P39', row[:ps].split('/').last, 'P4100', 'Q26934816'].join("\t") | |
end |
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