</td><td>
<%= @links_to.select { |x| x.head_uuid == g.uuid }.collect(&:tail_uuid).uniq.count %>
</td><td>
<%= @links_from.select { |x| x.tail_uuid == g.uuid }.collect(&:head_uuid).uniq.count %>
</td><td>
</td><td>
<%= @links_to.select { |x| x.head_uuid == g.uuid }.collect(&:tail_uuid).uniq.count %>
</td><td>
<%= @links_from.select { |x| x.tail_uuid == g.uuid }.collect(&:head_uuid).uniq.count %>
</td><td>