Nagoya 5000 series trains
E731532
The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nagoya 5000 series trains canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8411527 — 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: Nagoya 5000 series trains Context triple: [Line D (Buenos Aires Underground), hasRollingStock, Nagoya 5000 series trains]
-
A.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
B.
JR West 321 series EMU
The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
-
C.
Tokyu 5000 series
The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
-
D.
JR West 225 series EMU
The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
-
E.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
- 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: Nagoya 5000 series trains Target entity description: The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
-
A.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
B.
JR West 321 series EMU
The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
-
C.
Tokyu 5000 series
The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
-
D.
JR West 225 series EMU
The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
-
E.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese train type
ⓘ
electric multiple unit ⓘ |
| adaptedFor | Buenos Aires Underground Line D NERFINISHED ⓘ |
| brakeType | electric braking with pneumatic backup ⓘ |
| builtForLine | Higashiyama Line NERFINISHED ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| category | rolling stock transferred internationally ⓘ |
| controlSystem | multiple‑unit control ⓘ |
| countryOfOrigin | Japan ⓘ |
| designedFor | high‑frequency metro operation ⓘ |
| designedForPlatformType | high platforms ⓘ |
| doorType | sliding doors ⓘ |
| electricSystem | 600 V DC third rail ⓘ |
| exportedTo | Argentina NERFINISHED ⓘ |
| exportedToCity | Buenos Aires NERFINISHED ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| hasOperatorHistory |
Metrovías on Line D
ⓘ
Nagoya Municipal Subway NERFINISHED ⓘ |
| hasPassengerCapacityType | high‑capacity standing and seated ⓘ |
| introducedForServiceInNagoya | 1969 ⓘ |
| laterNetwork | Buenos Aires Underground NERFINISHED ⓘ |
| laterOperatedOn | Buenos Aires Underground Line D NERFINISHED ⓘ |
| laterOperator | Metrovías NERFINISHED ⓘ |
| laterUsedInCity | Buenos Aires NERFINISHED ⓘ |
| manufacturer | Nippon Sharyo NERFINISHED ⓘ |
| operatedInCountry |
Argentina
NERFINISHED
ⓘ
Japan NERFINISHED ⓘ |
| operatedOn |
Nagoya Municipal Subway
NERFINISHED
ⓘ
Nagoya Municipal Subway Higashiyama Line NERFINISHED ⓘ |
| operatedOnNetwork | Buenos Aires Underground NERFINISHED ⓘ |
| originalNetwork | Nagoya Municipal Subway NERFINISHED ⓘ |
| originalOperator | Transportation Bureau City of Nagoya NERFINISHED ⓘ |
| originalUse | urban metro service in Nagoya ⓘ |
| powerCollectionMethod | third rail ⓘ |
| propulsion | electric motors ⓘ |
| railwayCompatibility | standard gauge metro infrastructure ⓘ |
| reusedRollingStockFrom | Nagoya Municipal Subway NERFINISHED ⓘ |
| serviceEnvironment |
subway
ⓘ
underground railway ⓘ |
| serviceType |
metro
ⓘ
rapid transit ⓘ |
| subsequentUse | urban metro service in Buenos Aires ⓘ |
| tractionType | electric ⓘ |
| trainFormation | multiple‑car sets ⓘ |
| usedAs | passenger trains ⓘ |
| usedFor | urban public transport ⓘ |
| usedInCity | Nagoya NERFINISHED ⓘ |
| usedOnLine | Line D (Buenos Aires Underground) NERFINISHED ⓘ |
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: Nagoya 5000 series trains Description of subject: The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line D (Buenos Aires Underground)