def build_namespace(namespace)
      raise(TriplestoreAdapter::TriplestoreException, "build_namespace received blank namespace") if namespace.empty?
      request = Net::HTTP::Post.new("#{build_url}/blazegraph/namespace")
      request['Content-Type'] = 'text/plain'
      request.body = "com.bigdata.rdf.sail.namespace=#{namespace}"
      @http.request(@uri, request)
      "#{build_url}/blazegraph/namespace/#{namespace}/sparql"
    end
def build_namespace(namespace)
      raise(TriplestoreAdapter::TriplestoreException, "build_namespace received blank namespace") if namespace.empty?
      request = Net::HTTP::Post.new("#{build_url}/blazegraph/namespace")
      request['Content-Type'] = 'text/plain'
      request.body = "com.bigdata.rdf.sail.namespace=#{namespace}"
      @http.request(@uri, request)
      "#{build_url}/blazegraph/namespace/#{namespace}/sparql"
    end
Create a new namespace on the triplestore
 @param [String] namespace to be built
 @return [String] URI for the new namespace