Ten'ō
E399349
Ten'ō was a short Japanese era in the late 8th century, preceding the Enryaku era during the reign of Emperor Kanmu.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T3844996 — 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: Ten'ō Context triple: [Emperor Kanmu, eraName, Ten'ō]
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A.
Emperor Go-Toba
Emperor Go-Toba was a late 12th- to early 13th-century Japanese emperor known for his cultural patronage, especially of poetry, and for leading the failed Jōkyū War against the Kamakura shogunate.
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B.
Emperor Daigo
Emperor Daigo was a 10th-century Japanese sovereign whose relatively stable and culturally vibrant reign is often regarded as a high point of the Heian-period imperial court.
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C.
Emperor Kōnin
Emperor Kōnin was the 49th emperor of Japan, known for restoring imperial authority after a period of political turmoil and for being the father of Emperor Kanmu, under whom the capital moved to Heian-kyō.
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D.
Emperor Shirakawa
Emperor Shirakawa was a Japanese sovereign of the late 11th and early 12th centuries who is renowned for pioneering the system of cloistered rule that shaped Heian-period politics.
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E.
Emperor Kameyama
Emperor Kameyama was a 13th-century Japanese emperor of the Kamakura period known for his religious devotion and patronage of Zen Buddhism.
- 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: Ten'ō Target entity description: Ten'ō was a short Japanese era in the late 8th century, preceding the Enryaku era during the reign of Emperor Kanmu.
-
A.
Emperor Go-Toba
Emperor Go-Toba was a late 12th- to early 13th-century Japanese emperor known for his cultural patronage, especially of poetry, and for leading the failed Jōkyū War against the Kamakura shogunate.
-
B.
Emperor Daigo
Emperor Daigo was a 10th-century Japanese sovereign whose relatively stable and culturally vibrant reign is often regarded as a high point of the Heian-period imperial court.
-
C.
Emperor Kōnin
Emperor Kōnin was the 49th emperor of Japan, known for restoring imperial authority after a period of political turmoil and for being the father of Emperor Kanmu, under whom the capital moved to Heian-kyō.
-
D.
Emperor Shirakawa
Emperor Shirakawa was a Japanese sovereign of the late 11th and early 12th centuries who is renowned for pioneering the system of cloistered rule that shaped Heian-period politics.
-
E.
Emperor Kameyama
Emperor Kameyama was a 13th-century Japanese emperor of the Kamakura period known for his religious devotion and patronage of Zen Buddhism.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese era
ⓘ
nengō ⓘ |
| calendarSystem | Japanese era name system ⓘ |
| century | 8th century ⓘ |
| chronologicalPosition | late Nara period era name ⓘ |
| country | Japan ⓘ |
| endYear | 782 ⓘ |
| eraNameSystemRole | marker of years in imperial chronology ⓘ |
| eraOf | Emperor Kanmu ⓘ |
| eraSequence | 50th Japanese era name after Taika ⓘ |
| follows | Hōki ⓘ |
| geopoliticalContext | Yamato state in central Japan ⓘ |
| historicalPeriod | Nara period ⓘ |
| language | Classical Japanese ⓘ |
| namedFor | auspicious phrase in classical Chinese ⓘ |
| politicalContext | early reign of Emperor Kanmu ⓘ |
| precedes | Enryaku ⓘ |
| predecessorEra | Hōki ⓘ |
| region | Yamato court ⓘ |
| reignOf | Emperor Kanmu ⓘ |
| startYear | 781 ⓘ |
| successorEra | Enryaku ⓘ |
| typeOfEvent | calendar era change ⓘ |
| usedForDating | official documents of the imperial court ⓘ |
| writingSystem | kanji ⓘ |
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: Ten'ō Description of subject: Ten'ō was a short Japanese era in the late 8th century, preceding the Enryaku era during the reign of Emperor Kanmu.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ten'ō