Kasugayama Castle
E950974
Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kasugayama Castle canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11867411 — 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: Kasugayama Castle Context triple: [Uesugi Kenshin, castle, Kasugayama Castle]
-
A.
Fukuchiyama Castle
Fukuchiyama Castle is a reconstructed Japanese hilltop castle in Fukuchiyama, Kyoto Prefecture, originally built in the late 16th century and noted for its historical architecture and panoramic views.
-
B.
Koriyama Castle
Koriyama Castle is a historic Japanese castle in Nara Prefecture known for its Edo-period fortifications and scenic cherry blossoms.
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C.
Nagaoka Castle
Nagaoka Castle was a Japanese feudal stronghold in Echigo Province that served as the political and administrative center of the Nagaoka Domain during the Edo period.
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D.
Aizuwakamatsu Castle
Aizuwakamatsu Castle is a historic Japanese fortress in the city of Aizuwakamatsu, renowned for its role in the Boshin War and its reconstructed keep with distinctive red-tiled roofs.
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E.
Sunpu Castle
Sunpu Castle was a prominent Japanese fortress in present-day Shizuoka, historically significant as a Tokugawa stronghold and the retirement residence of shogun Tokugawa Ieyasu.
- 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: Kasugayama Castle Target entity description: Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
-
A.
Fukuchiyama Castle
Fukuchiyama Castle is a reconstructed Japanese hilltop castle in Fukuchiyama, Kyoto Prefecture, originally built in the late 16th century and noted for its historical architecture and panoramic views.
-
B.
Koriyama Castle
Koriyama Castle is a historic Japanese castle in Nara Prefecture known for its Edo-period fortifications and scenic cherry blossoms.
-
C.
Nagaoka Castle
Nagaoka Castle was a Japanese feudal stronghold in Echigo Province that served as the political and administrative center of the Nagaoka Domain during the Edo period.
-
D.
Aizuwakamatsu Castle
Aizuwakamatsu Castle is a historic Japanese fortress in the city of Aizuwakamatsu, renowned for its role in the Boshin War and its reconstructed keep with distinctive red-tiled roofs.
-
E.
Sunpu Castle
Sunpu Castle was a prominent Japanese fortress in present-day Shizuoka, historically significant as a Tokugawa stronghold and the retirement residence of shogun Tokugawa Ieyasu.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese castle
ⓘ
Sengoku-period fortress ⓘ mountain castle ⓘ |
| abandoned | early Edo period ⓘ |
| access | hiking trails from foot of Kasugayama ⓘ |
| associatedWith |
Nagao clan
NERFINISHED
ⓘ
Uesugi Kagekatsu NERFINISHED ⓘ Uesugi Kenshin NERFINISHED ⓘ |
| battlefieldRole |
base for Uesugi campaigns in the Hokuriku region
ⓘ
strategic stronghold in northern Honshū ⓘ |
| bestKnownAs | stronghold of Uesugi Kenshin ⓘ |
| builtInPeriod | Sengoku period NERFINISHED ⓘ |
| constructed | 15th century ⓘ |
| controlledBy |
Nagao clan
NERFINISHED
ⓘ
Uesugi clan NERFINISHED ⓘ |
| country | Japan ⓘ |
| culturalDesignation | National Historic Site NERFINISHED ⓘ |
| currentCondition | ruins ⓘ |
| designatedAs | National Historic Site of Japan NERFINISHED ⓘ |
| elevation | about 180 metres ⓘ |
| eraOfSignificance | Sengoku period NERFINISHED ⓘ |
| formerName | Kasuga-yama-jō NERFINISHED ⓘ |
| hasSiteFeature |
earthworks
ⓘ
moats ⓘ ramparts ⓘ stone walls ⓘ terraced baileys ⓘ |
| hasViewOf |
Jōetsu plain
NERFINISHED
ⓘ
Sea of Japan NERFINISHED ⓘ |
| heritageStatus | protected archaeological site ⓘ |
| historicalRegion | Echigo Province NERFINISHED ⓘ |
| locatedIn |
Echigo Province
NERFINISHED
ⓘ
Jōetsu, Niigata Prefecture NERFINISHED ⓘ |
| locatedInMunicipality | Jōetsu City NERFINISHED ⓘ |
| locatedInPrefecture | Niigata Prefecture NERFINISHED ⓘ |
| locatedOn | Kasugayama mountain NERFINISHED ⓘ |
| near |
Kasugayama Shrine
NERFINISHED
ⓘ
Rinsen-ji Temple NERFINISHED ⓘ |
| notableResident |
Uesugi Kagekatsu
NERFINISHED
ⓘ
Uesugi Kenshin NERFINISHED ⓘ |
| primaryFunction |
military fortress
ⓘ
residence of a daimyō ⓘ |
| region | Chūbu region NERFINISHED ⓘ |
| servedAs | headquarters of Uesugi clan ⓘ |
| tourism | popular historical tourism site ⓘ |
| type | yamashiro ⓘ |
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: Kasugayama Castle Description of subject: Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.