Yayoi period
E273125
The Yayoi period was a formative era in Japanese prehistory marked by the introduction of wet-rice agriculture, metal tools, and more complex social structures, preceding the Kofun period.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yayoi culture | 2 |
| Yayoi period canonical | 2 |
| Japanese prehistory | 1 |
| Yayoi period (late phase) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2454912 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yayoi period Context triple: [Kofun period, follows, Yayoi period]
-
A.
Yamato period
The Yamato period was an early era of Japanese history (roughly 3rd to 7th century) marked by the political consolidation of the Yamato clan, the emergence of a centralized state, and the introduction of Buddhism and Chinese cultural influences.
-
B.
Kofun period
The Kofun period was an early Japanese historical era (c. 3rd–6th century) characterized by the construction of large keyhole-shaped burial mounds for powerful elites and the emergence of a centralized Yamato polity.
-
C.
Heian period
The Heian period was a classical era of Japanese history (794–1185) marked by an imperial court-centered culture, flourishing literature such as The Tale of Genji, and the development of a distinct Japanese aesthetic.
-
D.
Nara period
The Nara period was an era of early Japanese history (710–794) marked by the establishment of a permanent capital at Nara, the flourishing of Buddhism and Chinese-influenced court culture, and the compilation of foundational chronicles and legal codes.
-
E.
Kamakura period
The Kamakura period was a pivotal era in Japanese history (1185–1333) marked by the rise of the samurai class and the establishment of the first shogunate government in Kamakura.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yayoi period Target entity description: The Yayoi period was a formative era in Japanese prehistory marked by the introduction of wet-rice agriculture, metal tools, and more complex social structures, preceding the Kofun period.
-
A.
Yamato period
The Yamato period was an early era of Japanese history (roughly 3rd to 7th century) marked by the political consolidation of the Yamato clan, the emergence of a centralized state, and the introduction of Buddhism and Chinese cultural influences.
-
B.
Kofun period
The Kofun period was an early Japanese historical era (c. 3rd–6th century) characterized by the construction of large keyhole-shaped burial mounds for powerful elites and the emergence of a centralized Yamato polity.
-
C.
Heian period
The Heian period was a classical era of Japanese history (794–1185) marked by an imperial court-centered culture, flourishing literature such as The Tale of Genji, and the development of a distinct Japanese aesthetic.
-
D.
Nara period
The Nara period was an era of early Japanese history (710–794) marked by the establishment of a permanent capital at Nara, the flourishing of Buddhism and Chinese-influenced court culture, and the compilation of foundational chronicles and legal codes.
-
E.
Kamakura period
The Kamakura period was a pivotal era in Japanese history (1185–1333) marked by the rise of the samurai class and the establishment of the first shogunate government in Kamakura.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese prehistoric period
ⓘ
archaeological culture ⓘ historical period ⓘ |
| archaeologicalEvidence |
Harunotsuji archaeological site
ⓘ
surface form:
Itazuke site
Toro site ⓘ Yoshinogari Historical Park ⓘ
surface form:
Yoshinogari site
|
| associatedWith |
development of regional political centers
ⓘ
emergence of early Japanese state formation ⓘ increased contact with the Chinese mainland ⓘ increased contact with the Korean Peninsula ⓘ |
| chronologyNote | dates vary among scholars ⓘ |
| country | Japan ⓘ |
| culture |
Yayoi period
self-linksurface differs
ⓘ
surface form:
Yayoi culture
|
| economicBase |
supplementary hunting and fishing
ⓘ
wet-rice agriculture ⓘ |
| endTime | c. 300 CE ⓘ |
| followedBy | Kofun period ⓘ |
| followedByCulture |
Kofun period
ⓘ
surface form:
Kofun culture
|
| follows | Jōmon period ⓘ |
| hasCharacteristic |
conflict between communities
ⓘ
increased social hierarchy ⓘ introduction of new pottery styles ⓘ moated settlements ⓘ paddy-field rice cultivation ⓘ raised-floor granaries ⓘ settled agrarian communities ⓘ storage facilities for surplus grain ⓘ use of bronze bells (dōtaku) ⓘ use of bronze weapons and mirrors ⓘ use of iron agricultural tools ⓘ use of loom-woven textiles ⓘ use of stone and metal tools in combination ⓘ |
| languageContext | early Japonic languages ⓘ |
| location | Japanese archipelago ⓘ |
| mainRegion |
Kyushu
ⓘ
surface form:
northern Kyushu
western Japan ⓘ
surface form:
western Honshu
|
| namedAfter |
Yayoi district
ⓘ
Bunkyo, Tokyo ⓘ
surface form:
Yayoi, Bunkyō, Tokyo
|
| partOf |
Yayoi period
self-linksurface differs
ⓘ
surface form:
Japanese prehistory
|
| precededByCulture |
Jōmon period
ⓘ
surface form:
Jōmon culture
|
| significantEvent |
development of social stratification in Japan
ⓘ
emergence of large-scale village communities ⓘ introduction of bronze technology ⓘ introduction of iron technology ⓘ introduction of metal tools to Japan ⓘ introduction of wet-rice agriculture to Japan ⓘ |
| startTime | c. 300 BCE ⓘ |
| timeInHistoryOf |
agriculture in Japan
ⓘ
metallurgy in Japan ⓘ social complexity in Japan ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Yayoi period Description of subject: The Yayoi period was a formative era in Japanese prehistory marked by the introduction of wet-rice agriculture, metal tools, and more complex social structures, preceding the Kofun period.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Yayoi culture
this entity surface form:
Japanese prehistory
this entity surface form:
Yayoi period (late phase)