| •owl:Thing |
| •SpatioTemporalThing |
| •Perdurant |
| •Event |
| •Phenomenon |
| •PhysicalPhenomenon |
| •MotionRelatedPhonemenon |
| •OscillatoryPhenomenon |
| •GlobalOscillationPhenomenon |
| •QuasiBiennialOscillation |
| GlobalOscillationPhenomenon |
| hasDuration SOME ((hasMeasurement SOME ((hasMeasurementUnit HAS Year) AND TemporalDurationMeasurement AND (hasValue HAS 2))) AND TemporalDuration) |