Assertion: aikido's technique | /r/HasProperty | systematized into their modern form
Facets:
value: in the early 20th century
type: TEMPORAL
value: morihei ueshiba
type: OTHER
Source sentences:
text: In the early 20th century these skills and martial techniques were systematized into their modern form through the work of the Japanese martial arts expert, Morihei Ueshiba – often referred to by his title