Nippatsu Mitsuzawa Stadium
E833434
Nippatsu Mitsuzawa Stadium is a football stadium in Yokohama, Japan, best known as the home ground of professional club Yokohama FC.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nippatsu Mitsuzawa Stadium canonical | 3 |
| Mitsuzawa Stadium | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9944118 — 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: Nippatsu Mitsuzawa Stadium Context triple: [Yokohama FC, homeStadium, Nippatsu Mitsuzawa Stadium]
-
A.
Fujiidera Stadium
Fujiidera Stadium was a baseball stadium in Fujiidera, Osaka Prefecture, Japan, best known as a longtime home field for Nippon Professional Baseball games.
-
B.
Onikan Stadium
Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
-
C.
Ajinomoto Stadium
Ajinomoto Stadium is a large multi-purpose sports venue in Tokyo, Japan, best known for hosting professional football matches and major sporting events.
-
D.
Japoma Stadium
Japoma Stadium is a major multi-purpose sports venue in Douala, Cameroon, best known for hosting top-level football matches including those of the Cameroon national team and international tournaments.
-
E.
Maishima Baseball Stadium
Maishima Baseball Stadium is a baseball venue located on Maishima Island in Osaka, Japan, used for local games, amateur tournaments, and various sporting events.
- 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: Nippatsu Mitsuzawa Stadium Target entity description: Nippatsu Mitsuzawa Stadium is a football stadium in Yokohama, Japan, best known as the home ground of professional club Yokohama FC.
-
A.
Fujiidera Stadium
Fujiidera Stadium was a baseball stadium in Fujiidera, Osaka Prefecture, Japan, best known as a longtime home field for Nippon Professional Baseball games.
-
B.
Onikan Stadium
Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
-
C.
Ajinomoto Stadium
Ajinomoto Stadium is a large multi-purpose sports venue in Tokyo, Japan, best known for hosting professional football matches and major sporting events.
-
D.
Japoma Stadium
Japoma Stadium is a major multi-purpose sports venue in Douala, Cameroon, best known for hosting top-level football matches including those of the Cameroon national team and international tournaments.
-
E.
Maishima Baseball Stadium
Maishima Baseball Stadium is a baseball venue located on Maishima Island in Osaka, Japan, used for local games, amateur tournaments, and various sporting events.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
football stadium
ⓘ
multi-purpose stadium ⓘ |
| capacity | about 15000 ⓘ |
| capacitySeated | about 15000 ⓘ |
| city | Yokohama ⓘ |
| country | Japan ⓘ |
| formerName |
Mitsuzawa Stadium
ⓘ
linked to:
Yokohama Mitsuzawa Stadium
|
| hasRunningTrack | no ⓘ |
| hasScoreboard | yes ⓘ |
| hasStandType | all-seater (mainly) ⓘ |
| hasSurface | natural grass ⓘ |
| homeStadiumOf |
Yokohama FC
ⓘ
Yokohama FC Ladies ⓘ Yokohama F·Marinos (selected matches) ⓘ |
| hostedEvent |
Emperor's Cup matches
ⓘ
J.League matches ⓘ |
| locatedIn |
Asia
ⓘ
Kanagawa Prefecture ⓘ Yokohama ⓘ |
| municipality |
Kanagawa-ku, Yokohama
ⓘ
linked to:
Kanagawa Ward, Yokohama
|
| namedAfter | Nippon Piston Ring Co., Ltd. ⓘ |
| opened | 1955 ⓘ |
| operator |
City of Yokohama
ⓘ
linked to:
Yokohama
|
| ownedBy |
City of Yokohama
ⓘ
linked to:
Yokohama
|
| primaryUse | professional football matches ⓘ |
| renovated |
1993
ⓘ
2003 ⓘ |
| secondaryUse | university and high school football ⓘ |
| sponsor | Nippatsu ⓘ |
| sponsorshipType | naming rights ⓘ |
| tenantLeague |
J.League
ⓘ
J2 League ⓘ |
| usedFor |
association football
ⓘ
rugby union (occasionally) ⓘ |
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: Nippatsu Mitsuzawa Stadium Description of subject: Nippatsu Mitsuzawa Stadium is a football stadium in Yokohama, Japan, best known as the home ground of professional club Yokohama FC.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nippatsu Mitsuzawa Stadium