Sample Ruby code for the BH11Ujicha SPARQL endpoint

sample-sparql.rb

require 'rubygems'
require 'rdf'         # gem install rdf
require 'rest_client' # gem install rest-client
require 'json'        # gem install json

endpoint = "http://open-biomed.org:8890/sparql"
query    = "SELECT * WHERE { <http://bio2rdf.org/affymetrix:1007_s_at> ?predicate ?object }"

# XML, "application/sparql-results+xml" ; CSV, "text/csv"
response = RestClient.post endpoint, :query => query, :format => "application/sparql-results+json"
puts "Response: #{response.code}"

data = JSON.parse(response.to_str)
data['results']['bindings'].each do |ent|
  p [ent['predicate']['value'],  ent['object']['value']]
end

puts " ==== "
p data