text: -- Occurrence frequency of a node, based on hypergraph
  EXPLAIN (ANALYZE, COSTS, VERBOSE, BUFFERS, FORMAT JSON)
  SELECT t.term_text, COUNT(t.term_text) as freq
  FROM entity_hyperedges eh, terms t
  WHERE eh.term_id = t.term_id
  GROUP BY t.term_id, t.term_text
  ORDER BY freq DESC;
  