(subclass SpeedScaleAttribute RelationalAttribute) | Weather.kif 2054-2054 | Speed scale attribute is a subclass of relational attribute |
(subclass BeaufortNumberAttribute SpeedScaleAttribute) | Weather.kif 335-335 | Beaufort number attribute is a subclass of speed scale attribute |
(subclass EFScaleAttribute SpeedScaleAttribute) | Weather.kif 2088-2088 | Enhanced fuijita scale attribute is a subclass of speed scale attribute |
(subclass SSHWSAttribute SpeedScaleAttribute) | Weather.kif 2357-2357 | Saffir Simpson Hurrican wind scale is a subclass of speed scale attribute |