# File lib/rdf/redland/model.rb, line 259
    def object(source,predicate)
      if source.class == Uri then source = Node.new(source) end
      if predicate.class == Uri then predicate = Node.new(predicate) end
      my_node = Redland.librdf_model_get_target(self.model,source.node,predicate.node)
      return nil if not my_node
      return Literal.from_node(my_node) if is_literal?(my_node)
      return Resource.new(my_node,self,false)
    end