Kofu, Yamanashi, Japan
E538113
Kofu is the capital city of Yamanashi Prefecture in central Japan, known as a regional commercial hub surrounded by mountains and vineyards near Mount Fuji.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kofu, Yamanashi, Japan canonical | 2 |
| Kōfu, Yamanashi | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5675746 — 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: Kofu, Yamanashi, Japan Context triple: [Yamanashi Press and Broadcasting Center, location, Kofu, Yamanashi, Japan]
-
A.
Fukuroi, Japan
Fukuroi, Japan is a city in Shizuoka Prefecture known for its agricultural production, traditional temples, and role as a regional industrial and cultural center.
-
B.
Matsumoto, Nagano, Japan
Matsumoto, Nagano, Japan is a historic castle city in central Honshu known for its scenic alpine setting and as the hometown of avant-garde artist Yayoi Kusama.
-
C.
Kōka, Shiga Prefecture
Kōka, Shiga Prefecture is a rural city in Japan’s Kansai region known for its historic ninja heritage and scenic mountain landscapes.
-
D.
Kakegawa, Japan
Kakegawa, Japan is a city in Shizuoka Prefecture known for its historic castle, green tea production, and scenic views of Mount Fuji.
-
E.
Fujioka, Gunma, Japan
Fujioka is a city in Gunma Prefecture, Japan, known as the birthplace of famed aircraft designer Jiro Horikoshi and for its scenic, mountainous surroundings.
- 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: Kofu, Yamanashi, Japan Target entity description: Kofu is the capital city of Yamanashi Prefecture in central Japan, known as a regional commercial hub surrounded by mountains and vineyards near Mount Fuji.
-
A.
Fukuroi, Japan
Fukuroi, Japan is a city in Shizuoka Prefecture known for its agricultural production, traditional temples, and role as a regional industrial and cultural center.
-
B.
Matsumoto, Nagano, Japan
Matsumoto, Nagano, Japan is a historic castle city in central Honshu known for its scenic alpine setting and as the hometown of avant-garde artist Yayoi Kusama.
-
C.
Kōka, Shiga Prefecture
Kōka, Shiga Prefecture is a rural city in Japan’s Kansai region known for its historic ninja heritage and scenic mountain landscapes.
-
D.
Kakegawa, Japan
Kakegawa, Japan is a city in Shizuoka Prefecture known for its historic castle, green tea production, and scenic views of Mount Fuji.
-
E.
Fujioka, Gunma, Japan
Fujioka is a city in Gunma Prefecture, Japan, known as the birthplace of famed aircraft designer Jiro Horikoshi and for its scenic, mountainous surroundings.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| area | about 212 square kilometers ⓘ |
| associatedWith | Takeda Shingen NERFINISHED ⓘ |
| capitalOf | Yamanashi Prefecture NERFINISHED ⓘ |
| country | Japan ⓘ |
| elevation | about 268 meters ⓘ |
| foundedAsCityOn | April 1, 1889 ⓘ |
| hasClimate | humid subtropical climate ⓘ |
| hasColdWinter | yes ⓘ |
| hasHotSummer | yes ⓘ |
| hasLandmark |
Kofu Castle ruins
NERFINISHED
ⓘ
Maizuru Castle Park NERFINISHED ⓘ Takeda Shrine NERFINISHED ⓘ |
| hasRailwayStation | Kofu Station NERFINISHED ⓘ |
| hasSisterCity |
Boulder, Colorado, United States
NERFINISHED
ⓘ
Lodi, California, United States NERFINISHED ⓘ Yamatokoriyama, Nara, Japan NERFINISHED ⓘ |
| hasSportsTeam | Ventforet Kofu NERFINISHED ⓘ |
| hasUniversity | University of Yamanashi NERFINISHED ⓘ |
| historicalDomainCenterOf | Kōfu Domain NERFINISHED ⓘ |
| isPrefecturalCapitalOf | Yamanashi Prefecture NERFINISHED ⓘ |
| isRegionalHubFor |
administration
ⓘ
commerce ⓘ transportation ⓘ |
| knownFor |
grape vineyards
ⓘ
hot springs ⓘ jewelry industry ⓘ peach and fruit orchards ⓘ views of Mount Fuji ⓘ wine production ⓘ |
| language | Japanese ⓘ |
| localSpecialty |
Yamanashi wine
ⓘ
hōtō noodles ⓘ |
| locatedIn | Yamanashi Prefecture NERFINISHED ⓘ |
| locatedInRegion |
Chūbu region
NERFINISHED
ⓘ
Kōshū region NERFINISHED ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedInValley | Kōfu Basin NERFINISHED ⓘ |
| locatedOnIsland | Honshu ⓘ |
| near | Mount Fuji NERFINISHED ⓘ |
| population | about 190000 ⓘ |
| populationAsOf | 2020 ⓘ |
| prefectureGovernmentLocatedIn | Yamanashi Prefectural Government Office NERFINISHED ⓘ |
| servedByRailLine | Chūō Main Line NERFINISHED ⓘ |
| sportsTeamPlays | football ⓘ |
| surroundedBy | mountains ⓘ |
| UTCOffset | +9 ⓘ |
| vehicleRegistrationCode | Yamanashi NERFINISHED ⓘ |
| wasCastleTownOf | Kofu Castle 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: Kofu, Yamanashi, Japan Description of subject: Kofu is the capital city of Yamanashi Prefecture in central Japan, known as a regional commercial hub surrounded by mountains and vineyards near Mount Fuji.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kōfu, Yamanashi