After identifying which facts are applicable for display, facts that have been used recently or are often used should have a less likely chance of being picked. In other words, give preference to rarely-used facts or facts that haven't been used recently.
After identifying which facts are applicable for display, facts that have been used recently or are often used should have a less likely chance of being picked. In other words, give preference to rarely-used facts or facts that haven't been used recently.