Nagaoka, Niigata, Japan
E30353
Nagaoka is a city in Niigata Prefecture, Japan, known for its historic role in the Boshin War, its postwar reconstruction, and one of Japan’s most famous summer fireworks festivals.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nagaoka, Niigata Prefecture | 1 |
| Nagaoka, Niigata, Japan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T83160 — 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: Nagaoka, Niigata, Japan Context triple: [Isoroku Yamamoto, placeOfBirth, Nagaoka, Niigata, Japan]
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A.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
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B.
Nagatachō, Tokyo, Japan
Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
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C.
Daikanyama
Daikanyama is a trendy, upscale neighborhood in Tokyo known for its stylish boutiques, cafes, and relaxed, residential atmosphere.
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D.
Niigata
Niigata is a major coastal city in north-central Japan known for its important seaport on the Sea of Japan, rice production, and sake brewing.
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E.
Kishiwada
Kishiwada is a coastal city in southern Osaka Prefecture, Japan, best known for its historic castle and the lively Kishiwada Danjiri Matsuri festival.
- 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: Nagaoka, Niigata, Japan Target entity description: Nagaoka is a city in Niigata Prefecture, Japan, known for its historic role in the Boshin War, its postwar reconstruction, and one of Japan’s most famous summer fireworks festivals.
-
A.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
-
B.
Nagatachō, Tokyo, Japan
Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
-
C.
Daikanyama
Daikanyama is a trendy, upscale neighborhood in Tokyo known for its stylish boutiques, cafes, and relaxed, residential atmosphere.
-
D.
Niigata
Niigata is a major coastal city in north-central Japan known for its important seaport on the Sea of Japan, rice production, and sake brewing.
-
E.
Kishiwada
Kishiwada is a coastal city in southern Osaka Prefecture, Japan, best known for its historic castle and the lively Kishiwada Danjiri Matsuri festival.
- F. None of above. chosen
Statements (49)
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: Nagaoka, Niigata, Japan Description of subject: Nagaoka is a city in Niigata Prefecture, Japan, known for its historic role in the Boshin War, its postwar reconstruction, and one of Japan’s most famous summer fireworks festivals.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Niigata Prefectural Nagaoka Commercial School (did not graduate)
→
locatedIn
→
Nagaoka, Niigata, Japan
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subject surface form:
Niigata Prefectural Nagaoka Commercial School
this entity surface form:
Nagaoka, Niigata Prefecture