Kofun period
E54396
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kofun period canonical | 22 |
| Kofun culture | 1 |
| Kofun period (traditional chronology) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T431301 — 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.
Target entity: Kofun period Context triple: [Sakai Mozu Kofun Group, period, Kofun period]
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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.
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B.
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.
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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.
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D.
Edo period
The Edo period was a long era of relative peace, isolationist foreign policy, and flourishing urban culture in Japan under Tokugawa shogunate rule from the early 17th to the mid-19th century.
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E.
Three Kingdoms period
The Three Kingdoms period was a turbulent era in Chinese history (220–280 CE) marked by the division of China into the rival states of Wei, Shu, and Wu, extensive warfare, and legendary figures later romanticized in classic literature.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Kofun period Target entity description: 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.
-
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.
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.
-
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.
Edo period
The Edo period was a long era of relative peace, isolationist foreign policy, and flourishing urban culture in Japan under Tokugawa shogunate rule from the early 17th to the mid-19th century.
-
E.
Three Kingdoms period
The Three Kingdoms period was a turbulent era in Chinese history (220–280 CE) marked by the division of China into the rival states of Wei, Shu, and Wu, extensive warfare, and legendary figures later romanticized in classic literature.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese historical era
ⓘ
historical period ⓘ |
| artStyle |
distinctive metalwork
ⓘ
haniwa sculpture ⓘ |
| associatedWith |
Imperial House of Japan
ⓘ
surface form:
Imperial House of Japan (mythic and early historical origins)
increased contact with Chinese dynasties ⓘ increased contact with Korean Peninsula ⓘ kuni no miyatsuko local rulers ⓘ spread of wet-rice agriculture ⓘ uji clan system ⓘ |
| burialCustom |
keyhole-shaped zenpō-kōen-fun mounds
ⓘ
round and square kofun mounds ⓘ stone burial chambers ⓘ |
| capital | Yamato region ⓘ |
| characterizedBy |
emergence of Yamato polity
ⓘ
keyhole-shaped tombs ⓘ large burial mounds ⓘ |
| chronologyPosition |
after Yayoi period in Japanese prehistory
ⓘ
before Asuka period in classical Japan ⓘ |
| country | Japan ⓘ |
| culture |
Yamato period
ⓘ
surface form:
Yamato culture
|
| economy |
agricultural base
ⓘ
tribute and redistribution system ⓘ |
| endTime | 6th century ⓘ |
| followedBy |
Yamato period
ⓘ
surface form:
Asuka period
|
| follows | Yayoi period ⓘ |
| governmentForm | chiefdom confederation evolving toward monarchy ⓘ |
| hasCharacteristic |
development of large-scale labor mobilization
ⓘ
elite burial practices ⓘ hierarchical social structure ⓘ increasing political centralization ⓘ introduction of horse culture ⓘ iron weaponry and armor ⓘ rise of powerful regional chieftains ⓘ use of haniwa clay figures ⓘ |
| hasPart |
early Kofun period
ⓘ
late Kofun period ⓘ middle Kofun period ⓘ |
| language | early Old Japanese (hypothesized) ⓘ |
| legalStatus | part of the Japanese archaeological chronology ⓘ |
| locatedInTimePeriod | protohistoric Japan ⓘ |
| military |
mounted warrior elites
ⓘ
use of iron swords and armor ⓘ |
| namedAfter | kofun tumuli ⓘ |
| politicalCenter | Yamato polity ⓘ |
| religion | early Shinto practices ⓘ |
| socialStructure | emergent state-level society ⓘ |
| startTime | 3rd century ⓘ |
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.
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.
Subject: Kofun period Description of subject: 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.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.