timeSpanStudied

P170446
predicate

Indicates the duration or period of time during which something was studied or examined.

Observed surface forms (1)

Surface form Occurrences
timePeriodOfResearch 1

Sample triples (3)

Subject Object
Xia–Shang–Zhou Chronology Project early second millennium BCE
Xia–Shang–Zhou Chronology Project late third millennium BCE
Cosmic Ray Investigations in Tropical Latitudes early 1940s via predicate surface "timePeriodOfResearch"