Relation akts#temporal_relation_from_time_point (sumo#time_point,sumo#nonnegative_integer)
  supertype:  akts#temporal_relation
  subtype:  akts#second-of (sumo#time_point,sumo#nonnegative_integer)
  subtype:  akts#minute-of (sumo#time_point,sumo#nonnegative_integer)
  subtype:  akts#hour-of (sumo#time_point,sumo#nonnegative_integer)
  subtype:  akts#day-of__dayof (sumo#time_point,sumo#nonnegative_integer)
  subtype:  akts#month-of__monthof (sumo#time_point,sumo#nonnegative_integer)
  subtype:  akts#year-of (sumo#time_point,sumo#nonnegative_integer)