Yokohama Minatomirai Railway Y500 series
E636617
The Yokohama Minatomirai Railway Y500 series is a Japanese electric multiple unit train type operated in the Yokohama area, known for its distinctive blue livery and use on through-services with the Tokyo Metro network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yokohama Minatomirai Railway Y500 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7038925 — 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: Yokohama Minatomirai Railway Y500 series Context triple: [Minatomirai Line, rollingStockUsed, Yokohama Minatomirai Railway Y500 series]
-
A.
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.
-
B.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
C.
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.
-
D.
Hankyu 5300 series
The Hankyu 5300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Kansai region.
-
E.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
- 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: Yokohama Minatomirai Railway Y500 series Target entity description: The Yokohama Minatomirai Railway Y500 series is a Japanese electric multiple unit train type operated in the Yokohama area, known for its distinctive blue livery and use on through-services with the Tokyo Metro network.
-
A.
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.
-
B.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
C.
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.
-
D.
Hankyu 5300 series
The Hankyu 5300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Kansai region.
-
E.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType | regenerative brake ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| compatibleWith | Tokyu 5050 series ⓘ |
| controlMethod | VVVF inverter control ⓘ |
| country | Japan ⓘ |
| designedFor |
commuter traffic
ⓘ
through-running between private railways and subway lines ⓘ |
| designFeature | distinctive blue livery ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| formation | 8-car sets ⓘ |
| hasDriverCab | both ends of trainset ⓘ |
| hasMultipleUnits | yes ⓘ |
| introducedFor | Minatomirai Line through-services ⓘ |
| liveryColor | blue ⓘ |
| networkIntegration | Tokyu–Tokyo Metro–Tobu–Seibu through network ⓘ |
| operatesOn | standard Japanese narrow gauge ⓘ |
| operatingCompanyType | third-sector railway operator ⓘ |
| operator |
Yokohama Minatomirai Railway
ⓘ
linked to:
Yokohama Minatomirai Railway Company
|
| poweredBy | electricity ⓘ |
| region |
Kanto region
ⓘ
linked to:
Kantō region
|
| serviceArea |
Kanagawa Prefecture
ⓘ
Yokohama ⓘ |
| serviceType |
local service
ⓘ
rapid service ⓘ |
| throughServiceWith |
Tokyo Metro Fukutoshin Line
ⓘ
Tokyo Metro network ⓘ
linked to:
Tokyo Metro
|
| trackGauge | 1,067 mm ⓘ |
| traction | electric multiple unit traction ⓘ |
| usedIn | urban rail transit ⓘ |
| usedOnLine |
Minatomirai Line
ⓘ
Seibu Ikebukuro Line ⓘ Tobu Tojo Line ⓘ Tokyo Metro Fukutoshin Line ⓘ Tokyu Toyoko Line ⓘ |
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: Yokohama Minatomirai Railway Y500 series Description of subject: The Yokohama Minatomirai Railway Y500 series is a Japanese electric multiple unit train type operated in the Yokohama area, known for its distinctive blue livery and use on through-services with the Tokyo Metro network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.