Tokyu 5080 series EMU
E807549
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokyu 5080 series | 2 |
| Tokyu 5080 series EMU canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9544686 — 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: Tokyu 5080 series EMU Context triple: [Tokyu Meguro Line, rollingStock, Tokyu 5080 series EMU]
-
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 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
-
C.
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.
-
D.
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.
-
E.
Tokyu 7000 series
The Tokyu 7000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation and formerly used on Tokyo Metro’s Hibiya Line, known for its stainless-steel body and commuter service design.
- 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: Tokyu 5080 series EMU Target entity description: The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
-
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 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
-
C.
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.
-
D.
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.
-
E.
Tokyu 7000 series
The Tokyu 7000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation and formerly used on Tokyo Metro’s Hibiya Line, known for its stainless-steel body and commuter service design.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType | regenerative brake ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| carLength | 20 m class ⓘ |
| country | Japan ⓘ |
| designedFor | high-frequency commuter operation ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| electrificationSystem | 1500 V DC overhead catenary ⓘ |
| formation | 8-car sets ⓘ |
| multipleWorking | compatible with other Tokyu EMU series ⓘ |
| operator |
Tokyu Corporation
NERFINISHED
ⓘ
Tokyu Railways NERFINISHED ⓘ |
| owner | Tokyu Corporation NERFINISHED ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| propulsionType | electric traction ⓘ |
| railwayLineUsedOn |
Tokyu Den-en-toshi Line
NERFINISHED
ⓘ
Tokyu Meguro Line NERFINISHED ⓘ interrunning subway lines in Tokyo area ⓘ |
| serviceArea | Greater Tokyo NERFINISHED ⓘ |
| serviceType |
all-stations services
ⓘ
rapid services ⓘ |
| throughRunningTo |
Saitama Rapid Railway Line
NERFINISHED
ⓘ
Toei Mita Line NERFINISHED ⓘ Tokyo Metro Hibiya Line NERFINISHED ⓘ Tokyo Metro Namboku Line NERFINISHED ⓘ Tokyu Meguro Line NERFINISHED ⓘ |
| trackGauge | 1067 mm ⓘ |
| usedFor | commuter services ⓘ |
| usedIn | Tokyo area 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: Tokyu 5080 series EMU Description of subject: The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyu 5080 series
this entity surface form:
Tokyu 5080 series