Nagaoka
E509252
Nagaoka is a city in Niigata Prefecture, Japan, known for its major annual fireworks festival and regional industrial and educational centers.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nagaoka canonical | 8 |
| Nagaoka, Niigata Prefecture, Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3556004 — 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 Context triple: [Linz, twinnedWith, Nagaoka]
-
A.
Takamado
Takamado is a Japanese imperial family name most prominently associated with the late Prince Takamado and his descendants, a branch of Japan’s royal household.
-
B.
Fujinomiya
Fujinomiya is a city in Shizuoka Prefecture, Japan, known as a major gateway to Mount Fuji and for its scenic views of the iconic volcano.
-
C.
Kamiyama
Kamiyama is a Japanese surname borne by various individuals, including artists, athletes, and public figures.
-
D.
Tatsuno
Tatsuno is a city in western Japan known for its traditional soy sauce production and historic townscape within Hyogo Prefecture.
-
E.
Nishiwaki
Nishiwaki is a city in central Hyōgo Prefecture, Japan, known for its location near the geographic center of the country and its mix of industrial and rural landscapes.
- 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 Target entity description: Nagaoka is a city in Niigata Prefecture, Japan, known for its major annual fireworks festival and regional industrial and educational centers.
-
A.
Takamado
Takamado is a Japanese imperial family name most prominently associated with the late Prince Takamado and his descendants, a branch of Japan’s royal household.
-
B.
Fujinomiya
Fujinomiya is a city in Shizuoka Prefecture, Japan, known as a major gateway to Mount Fuji and for its scenic views of the iconic volcano.
-
C.
Kamiyama
Kamiyama is a Japanese surname borne by various individuals, including artists, athletes, and public figures.
-
D.
Tatsuno
Tatsuno is a city in western Japan known for its traditional soy sauce production and historic townscape within Hyogo Prefecture.
-
E.
Nishiwaki
Nishiwaki is a city in central Hyōgo Prefecture, Japan, known for its location near the geographic center of the country and its mix of industrial and rural landscapes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | city ⓘ |
| belongsTo | Japan Alps snow country area NERFINISHED ⓘ |
| climate | humid subtropical climate ⓘ |
| climateClassification | Cfa ⓘ |
| country | Japan ⓘ |
| educationalInstitution |
Nagaoka University
NERFINISHED
ⓘ
Nagaoka University of Technology NERFINISHED ⓘ National Institute of Technology Nagaoka College NERFINISHED ⓘ |
| expressway |
Hokuriku Expressway
NERFINISHED
ⓘ
Kan-Etsu Expressway NERFINISHED ⓘ |
| festivalHeldIn | August ⓘ |
| festivalType | fireworks festival ⓘ |
| governingBody | Nagaoka City Hall NERFINISHED ⓘ |
| hasCitySymbol |
city bird
ⓘ
city flower ⓘ city tree ⓘ |
| hasMunicipalStatusSince | 1906 ⓘ |
| historicalProvince | Echigo Province NERFINISHED ⓘ |
| isPrefecturalCapitalOf | false ⓘ |
| knownFor |
Nagaoka Festival fireworks
NERFINISHED
ⓘ
educational institutions ⓘ industrial center ⓘ war remembrance events ⓘ |
| language | Japanese ⓘ |
| locatedIn |
Chūbu region
NERFINISHED
ⓘ
Niigata Prefecture NERFINISHED ⓘ |
| locatedOn |
Honshu
ⓘ
Sea of Japan coast NERFINISHED ⓘ |
| majorIndustry |
food processing
ⓘ
manufacturing ⓘ petrochemicals ⓘ precision machinery ⓘ |
| mayorTitle | Mayor of Nagaoka NERFINISHED ⓘ |
| notableEvent | Nagaoka Fireworks Festival NERFINISHED ⓘ |
| populationRankInNiigataPrefecture | second largest city ⓘ |
| prefecturalCapital | Niigata City NERFINISHED ⓘ |
| railwayStation | Nagaoka Station NERFINISHED ⓘ |
| regionType | industrial and educational center ⓘ |
| river | Shinano River NERFINISHED ⓘ |
| sisterCity |
Fort Worth
NERFINISHED
ⓘ
Honolulu NERFINISHED ⓘ Tainan NERFINISHED ⓘ Toruń NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
| transportHub | Jōetsu Shinkansen NERFINISHED ⓘ |
| utcOffset | +9 ⓘ |
| warTimeEvent | World War II air raid on Nagaoka NERFINISHED ⓘ |
| writingSystem | Japanese writing system ⓘ |
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 Description of subject: Nagaoka is a city in Niigata Prefecture, Japan, known for its major annual fireworks festival and regional industrial and educational centers.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
Niigata Prefectural Nagaoka Commercial School (did not graduate)
→
locatedInAdministrativeTerritory
→
Nagaoka
ⓘ
subject surface form:
Niigata Prefectural Nagaoka Commercial School
this entity surface form:
Nagaoka, Niigata Prefecture, Japan