Hōan
E1043305
Hōan was a Japanese era name (nengō) of the early 12th century, used during the reign of Emperor Toba.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hōan canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T13494403 — 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: Hōan Context triple: [Emperor Toba, eraNameUsed, Hōan]
-
A.
Hōshō
Hōshō was the Imperial Japanese Navy’s pioneering aircraft carrier and the world’s first purpose-built carrier to enter service.
-
B.
Hoan-ya
Hoan-ya is an alternative name for the Hoanya language, an indigenous Formosan language historically spoken in Taiwan.
-
C.
Honjo
Honjo is a historic district in Tokyo known for its traditional shitamachi atmosphere and close ties to the Sumida River area.
-
D.
Shinshiro
Shinshiro is a city in eastern Aichi Prefecture, Japan, known for its mountainous scenery, historic battle sites, and traditional rural landscapes.
-
E.
Kamikawa
Kamikawa is a town in Hokkaido, Japan, known as a gateway to the mountainous landscapes and hot springs of Daisetsuzan National Park.
- 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: Hōan Target entity description: Hōan was a Japanese era name (nengō) of the early 12th century, used during the reign of Emperor Toba.
-
A.
Hōshō
Hōshō was the Imperial Japanese Navy’s pioneering aircraft carrier and the world’s first purpose-built carrier to enter service.
-
B.
Hoan-ya
Hoan-ya is an alternative name for the Hoanya language, an indigenous Formosan language historically spoken in Taiwan.
-
C.
Honjo
Honjo is a historic district in Tokyo known for its traditional shitamachi atmosphere and close ties to the Sumida River area.
-
D.
Shinshiro
Shinshiro is a city in eastern Aichi Prefecture, Japan, known for its mountainous scenery, historic battle sites, and traditional rural landscapes.
-
E.
Kamikawa
Kamikawa is a town in Hokkaido, Japan, known as a gateway to the mountainous landscapes and hot springs of Daisetsuzan National Park.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese era name
ⓘ
nengō ⓘ |
| associatedWith | Emperor Toba's reign ⓘ |
| calendarEraType | regnal era name ⓘ |
| calendarType | lunisolar calendar ⓘ |
| capitalDuringEra |
Heian-kyō
ⓘ
linked to:
Kyoto
|
| category | Japanese eras ⓘ |
| chronologicalPosition | early 12th century Japanese era ⓘ |
| chronology | precedes Tenji and follows Gen'ei ⓘ |
| country | Japan ⓘ |
| culturalContext | classical Japanese court culture ⓘ |
| endEraDay | 3 ⓘ |
| endEraGregorianYear | 1124 ⓘ |
| endEraMonth | April ⓘ |
| endYear | 1124 ⓘ |
| eraNamedFor | peace ⓘ |
| eraNumbering | one of the late Heian nengō ⓘ |
| eraSystem | nengō system ⓘ |
| followedBy | Tenji ⓘ |
| follows |
Gen'ei
ⓘ
linked to:
Gen’ei
|
| governmentForm |
Imperial monarchy of Japan
ⓘ
linked to:
Yamato polity
|
| hasEraNameSystem | gengō ⓘ |
| hasReigningEmperor | Emperor Toba ⓘ |
| historicalSignificance | marker for dating events in early 12th century Japan ⓘ |
| JapaneseSpelling | 保安 ⓘ |
| language | Japanese ⓘ |
| notation | 年号 ⓘ |
| partOf | Japanese era system ⓘ |
| precededBy |
Gen'ei
ⓘ
linked to:
Gen’ei
|
| precedes | Tenji ⓘ |
| region | Kyoto ⓘ |
| reigningEmperor | Emperor Toba ⓘ |
| romanization | Hōan ⓘ |
| startEraDay | 10 ⓘ |
| startEraGregorianYear | 1120 ⓘ |
| startEraMonth | April ⓘ |
| startReason | change of era name to mark an event ⓘ |
| startYear | 1120 ⓘ |
| timePeriod | Heian period ⓘ |
| usedAlongside | sexagenary cycle ⓘ |
| usedBy |
Imperial court of Japan
ⓘ
linked to:
Imperial Court of Japan
aristocracy of Heian Japan ⓘ |
| usedFor | dating years in Japan ⓘ |
| usedIn | Japanese calendar ⓘ |
| 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: Hōan Description of subject: Hōan was a Japanese era name (nengō) of the early 12th century, used during the reign of Emperor Toba.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.