Kubota Castle ruins
E300030
Kubota Castle ruins are the remains of a former Edo-period samurai castle that once served as the seat of the Satake clan in what is now Akita Prefecture, Japan.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Akita Castle (Edo-period Kubota Castle) | 1 |
| Kubota Castle ruins canonical | 1 |
| former Kubota Castle grounds | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2786869 — 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: Kubota Castle ruins Context triple: [Akita, hasHistoricSite, Kubota Castle ruins]
-
A.
Takeda Castle Ruins
Takeda Castle Ruins is a historic Japanese mountaintop fortress site famed for its dramatic “castle in the sky” appearance above the surrounding clouds.
-
B.
Yonezawa Castle ruins
The Yonezawa Castle ruins are the remains of a historic Japanese castle site in Yonezawa, Yamagata Prefecture, now a park-like area known for its moats, stone walls, and seasonal cherry blossoms.
-
C.
Katsuren Castle
Katsuren Castle is a historic Ryukyuan gusuku (castle ruin) in Uruma, Okinawa, renowned for its hilltop stone fortifications and status as part of the UNESCO World Heritage Site “Gusuku Sites and Related Properties of the Kingdom of Ryukyu.”
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D.
Kishiwada Castle
Kishiwada Castle is a historic Japanese castle in Kishiwada, Osaka Prefecture, known for its reconstructed keep, stone walls, and scenic grounds that attract many visitors.
-
E.
Nakijin Castle
Nakijin Castle is a historic Ryukyuan gusuku (fortress) in northern Okinawa, Japan, renowned for its massive stone walls and as part of the UNESCO World Heritage Site “Gusuku Sites and Related Properties of the Kingdom of Ryukyu.”
- 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: Kubota Castle ruins Target entity description: Kubota Castle ruins are the remains of a former Edo-period samurai castle that once served as the seat of the Satake clan in what is now Akita Prefecture, Japan.
-
A.
Takeda Castle Ruins
Takeda Castle Ruins is a historic Japanese mountaintop fortress site famed for its dramatic “castle in the sky” appearance above the surrounding clouds.
-
B.
Yonezawa Castle ruins
The Yonezawa Castle ruins are the remains of a historic Japanese castle site in Yonezawa, Yamagata Prefecture, now a park-like area known for its moats, stone walls, and seasonal cherry blossoms.
-
C.
Katsuren Castle
Katsuren Castle is a historic Ryukyuan gusuku (castle ruin) in Uruma, Okinawa, renowned for its hilltop stone fortifications and status as part of the UNESCO World Heritage Site “Gusuku Sites and Related Properties of the Kingdom of Ryukyu.”
-
D.
Kishiwada Castle
Kishiwada Castle is a historic Japanese castle in Kishiwada, Osaka Prefecture, known for its reconstructed keep, stone walls, and scenic grounds that attract many visitors.
-
E.
Nakijin Castle
Nakijin Castle is a historic Ryukyuan gusuku (fortress) in northern Okinawa, Japan, renowned for its massive stone walls and as part of the UNESCO World Heritage Site “Gusuku Sites and Related Properties of the Kingdom of Ryukyu.”
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
castle ruins
ⓘ
historic site ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Kubota Castle ruins
ⓘ
surface form:
Akita Castle (Edo-period Kubota Castle)
|
| associatedWith |
Akita City history
ⓘ
Satake clan history ⓘ |
| cityPark | Senshu Park ⓘ |
| clan | Satake clan ⓘ |
| country | Japan ⓘ |
| currentUse |
historical education site
ⓘ
local festival venue ⓘ public park area ⓘ |
| domain | Kubota Domain ⓘ |
| era |
Edo period
ⓘ
surface form:
early modern Japan
|
| formerName | Kubota Castle ⓘ |
| governingBody |
Akita City Government
ⓘ
surface form:
Akita City government
|
| hasMuseum |
exhibition space on Kubota Domain
ⓘ
exhibition space on Satake clan ⓘ |
| hasPart |
castle moats
ⓘ
earthworks ⓘ gates ⓘ reconstructed yagura ⓘ stone walls ⓘ |
| hasReconstruction | Kubota Castle turret reconstruction ⓘ |
| hasView |
Akita City urban area
ⓘ
Senshu Park gardens ⓘ |
| heritageStatus | designated historic site of Akita City ⓘ |
| historicalPeriod | Edo period ⓘ |
| JapaneseName | 久保田城跡 ⓘ |
| locatedIn |
Akita City
NERFINISHED
ⓘ
Akita Prefecture NERFINISHED ⓘ Tohoku ⓘ
surface form:
Tohoku region
|
| locatedInPark | Senshu Park ⓘ |
| material |
earthworks
ⓘ
stone ⓘ wood ⓘ |
| openToPublic | yes ⓘ |
| originalFunction |
feudal administrative center
ⓘ
samurai castle ⓘ |
| region | northern Honshu ⓘ |
| relatedTo |
Edo-period domains
ⓘ
Japanese castle architecture ⓘ Tohoku regional history ⓘ |
| servedAs | seat of the Satake clan ⓘ |
| tourismType |
cultural tourism
ⓘ
heritage tourism ⓘ |
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: Kubota Castle ruins Description of subject: Kubota Castle ruins are the remains of a former Edo-period samurai castle that once served as the seat of the Satake clan in what is now Akita Prefecture, Japan.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Akita Castle (Edo-period Kubota Castle)
this entity surface form:
former Kubota Castle grounds