# File lib/rir/query.rb, line 62
      def initialize(id,query,params)
        @params = params
        # Here we set the default retrieval model as Language Modeling
        # with a Dirichlet smoothing at 2500.
        # TODO: maybe a Rule class...
        @params.rule  = 'method:dirichlet,mu:2500' if @params.rule.nil?

        @id     = id
        @query  = query
      end