70 series EMU
E369631
The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 70 series EMU canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3550926 — 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: 70 series EMU Context triple: [Nagahori Tsurumi-ryokuchi Line, rollingStock, 70 series EMU]
-
A.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
B.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
C.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
-
D.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
E.
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.
- 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: 70 series EMU Target entity description: The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
-
A.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
B.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
C.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
-
D.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
E.
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.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
passenger train ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| category |
Japanese electric multiple units
ⓘ
Osaka Metro rolling stock ⓘ |
| country | Japan ⓘ |
| designedFor | Osaka Metro automatic train operation ⓘ |
| doorConfiguration | multiple side doors per car ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| multipleWorking | compatible with other 70 series sets ⓘ |
| numberOfCarsPerTrainset | 7-car formation ⓘ |
| operator |
Nagahori Tsurumi-ryokuchi Line
ⓘ
Osaka Metro ⓘ |
| owner | Osaka Metro ⓘ |
| powerCollectionMethod | contact shoes on third rail ⓘ |
| powerMethod | third rail collection ⓘ |
| propulsionType | electric motors ⓘ |
| railwaySystem |
Osaka Metro network
ⓘ
linked to:
Osaka Metro
|
| region | Kansai region ⓘ |
| safetySystem |
automatic train control
ⓘ
automatic train operation ⓘ |
| service | revenue passenger service ⓘ |
| serviceArea |
Osaka Prefecture
ⓘ
Osaka city ⓘ
linked to:
Osaka
|
| serviceType |
metro
ⓘ
urban rapid transit ⓘ |
| trackGaugeCategory | standard gauge rolling stock ⓘ |
| trackType | standard gauge metro track ⓘ |
| traction | electric ⓘ |
| usage | passenger transport ⓘ |
| usedOnLine | Nagahori Tsurumi-ryokuchi 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: 70 series EMU Description of subject: The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.