query-rdf.rb

require 'linkeddata'
require 'csv'

graph = RDF::Graph.load("http://hiroshimarb.github.io/")
query = RDF::Query.new({
  person: {
    RDF.type  => RDF::Vocab::SCHEMA.Person,
    RDF::Vocab::SCHEMA.name => :name,
    RDF::Vocab::SCHEMA.description => :desc,
  }
})

puts %W[なまえ 自己紹介].to_csv
query.execute(graph).map do |person|
  puts [person.name, person.desc].to_csv
end