app/views/partials/notation/_base.html.erb
<div class="relation panel" id="<%= klass.model_name.to_s.to_relation_name %>">
<h2><%= klass.model_name.human(:count => 2) %></h2>
<div class="relation-body">
<%= item_listing(concept.notations_for_class(klass)) do |notation|
link_to notation.value, notation.data_type
end %>
</div>
</div>