Nakatsu Castle
E529490
Nakatsu Castle is a historic Japanese castle in Nakatsu, Ōita Prefecture, known as one of Japan’s notable riverside fortresses with reconstructed structures and a museum.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nakatsu Castle canonical | 1 |
| Nakatsu Castle museum | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5597025 — 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: Nakatsu Castle Context triple: [Nakatsu, Ōita Prefecture, Japan, hasSite, Nakatsu Castle]
-
A.
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.”
-
B.
Wakayama Castle
Wakayama Castle is a historic Japanese hilltop fortress in the city of Wakayama, known for its reconstructed keep, surrounding park, and role as a former stronghold of the Tokugawa clan.
-
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.
Fushimi Castle
Fushimi Castle is a historic Japanese castle in Kyoto associated with Toyotomi Hideyoshi and known for its role in the late Sengoku period and early Edo period.
-
E.
Hikone Castle
Hikone Castle is a well-preserved Edo-period Japanese hilltop castle renowned for its original main keep and scenic location overlooking Lake Biwa.
- 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: Nakatsu Castle Target entity description: Nakatsu Castle is a historic Japanese castle in Nakatsu, Ōita Prefecture, known as one of Japan’s notable riverside fortresses with reconstructed structures and a museum.
-
A.
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.”
-
B.
Wakayama Castle
Wakayama Castle is a historic Japanese hilltop fortress in the city of Wakayama, known for its reconstructed keep, surrounding park, and role as a former stronghold of the Tokugawa clan.
-
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.
Fushimi Castle
Fushimi Castle is a historic Japanese castle in Kyoto associated with Toyotomi Hideyoshi and known for its role in the late Sengoku period and early Edo period.
-
E.
Hikone Castle
Hikone Castle is a well-preserved Edo-period Japanese hilltop castle renowned for its original main keep and scenic location overlooking Lake Biwa.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese castle
ⓘ
hirashiro (flatland castle) ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Nakatsu Castle Museum
NERFINISHED
ⓘ
Nakatsu-jō NERFINISHED ⓘ |
| architecturalStyle | Japanese castle architecture ⓘ |
| category |
Castles in Ōita Prefecture
ⓘ
Museums in Ōita Prefecture ⓘ Reconstructed Japanese castles ⓘ |
| country | Japan ⓘ |
| currentTenshuCompletionYear | 1964 ⓘ |
| demolishedPeriod | Meiji period (most original structures) ⓘ |
| hasExhibit |
historical documents
ⓘ
materials on the Okudaira / Ogasawara clans ⓘ samurai armor ⓘ swords ⓘ |
| hasFunction | history museum ⓘ |
| hasObservationDeck | true ⓘ |
| hasParking | true ⓘ |
| hasPart |
castle grounds
ⓘ
moats ⓘ museum exhibits ⓘ stone walls ⓘ tenshu (main keep) ⓘ turrets ⓘ |
| hasView |
Seto Inland Sea
NERFINISHED
ⓘ
Yamakuni River estuary NERFINISHED ⓘ |
| heritageStatus | registered tangible cultural property (some structures and remains) ⓘ |
| knownFor |
castle museum
ⓘ
reconstructed tenshu (main keep) ⓘ riverside fortress design ⓘ |
| laterLords |
Hosokawa clan
NERFINISHED
ⓘ
Ogasawara clan NERFINISHED ⓘ Okudaira clan NERFINISHED ⓘ |
| locatedIn |
Kyushu
NERFINISHED
ⓘ
Nakatsu, Ōita Prefecture NERFINISHED ⓘ Ōita Prefecture NERFINISHED ⓘ |
| locatedOn | Yamakuni River NERFINISHED ⓘ |
| nearbyAttraction | Nakatsu city historic district NERFINISHED ⓘ |
| openToPublic | true ⓘ |
| originalBuilder |
Kuroda Kanbei
NERFINISHED
ⓘ
Kuroda Yoshitaka NERFINISHED ⓘ |
| originalConstructionStart | late 16th century ⓘ |
| reconstructionMaterial | reinforced concrete ⓘ |
| regionHistoricRole | strategic stronghold in northern Kyushu ⓘ |
| touristActivities |
museum visits
ⓘ
panoramic viewing from keep ⓘ |
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: Nakatsu Castle Description of subject: Nakatsu Castle is a historic Japanese castle in Nakatsu, Ōita Prefecture, known as one of Japan’s notable riverside fortresses with reconstructed structures and a museum.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nakatsu Castle museum