Osaka Metro 70 series
E499118
The Osaka Metro 70 series is a type of electric multiple unit train used on Osaka’s Nagahori Tsurumi-ryokuchi Line, known for its linear motor propulsion and modern urban transit design.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Osaka Metro 70 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5174240 — 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: Osaka Metro 70 series Context triple: [Osaka Metro Nagahori Tsurumi-ryokuchi Line, rollingStock, Osaka Metro 70 series]
-
A.
Osaka Metro 66 series
The Osaka Metro 66 series is a type of electric multiple unit train operated by Osaka Metro, primarily serving urban commuter routes in Osaka, Japan.
-
B.
Osaka Metro 30000 series
The Osaka Metro 30000 series is a modern electric multiple unit train type operated by Osaka Metro, featuring air conditioning, energy-efficient systems, and improved passenger comfort for urban subway services.
-
C.
Osaka Metro 23 series
The Osaka Metro 23 series is a type of electric multiple unit train operated on Osaka’s subway network, specifically serving the Yotsubashi Line.
-
D.
Osaka Metro 25 series
The Osaka Metro 25 series is a type of electric multiple unit train used for passenger services on Osaka’s subway network.
-
E.
Osaka Metro 20 series
The Osaka Metro 20 series is a type of electric multiple unit train used on Osaka's subway network, known for its stainless-steel construction and service on several key lines.
- 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: Osaka Metro 70 series Target entity description: The Osaka Metro 70 series is a type of electric multiple unit train used on Osaka’s Nagahori Tsurumi-ryokuchi Line, known for its linear motor propulsion and modern urban transit design.
-
A.
Osaka Metro 66 series
The Osaka Metro 66 series is a type of electric multiple unit train operated by Osaka Metro, primarily serving urban commuter routes in Osaka, Japan.
-
B.
Osaka Metro 30000 series
The Osaka Metro 30000 series is a modern electric multiple unit train type operated by Osaka Metro, featuring air conditioning, energy-efficient systems, and improved passenger comfort for urban subway services.
-
C.
Osaka Metro 23 series
The Osaka Metro 23 series is a type of electric multiple unit train operated on Osaka’s subway network, specifically serving the Yotsubashi Line.
-
D.
Osaka Metro 25 series
The Osaka Metro 25 series is a type of electric multiple unit train used for passenger services on Osaka’s subway network.
-
E.
Osaka Metro 20 series
The Osaka Metro 20 series is a type of electric multiple unit train used on Osaka's subway network, known for its stainless-steel construction and service on several key lines.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
linear motor train ⓘ |
| brakeType |
electric command air brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| carLength | approximately 15.5 m per car ⓘ |
| country | Japan ⓘ |
| designedBy | Osaka Municipal Transportation Bureau engineering division NERFINISHED ⓘ |
| designedFor |
automated train operation compatibility
ⓘ
urban rapid transit ⓘ |
| designedToOperateIn | small-diameter tunnels ⓘ |
| doorConfiguration | 4 pairs of doors per side per car ⓘ |
| doorControl | one-man operation compatible ⓘ |
| doorType | sliding plug doors ⓘ |
| electricSystem | 750 V DC third rail ⓘ |
| enteredServiceOnLine | Nagahori Tsurumi-ryokuchi Line NERFINISHED ⓘ |
| floorType | full low-floor relative to tunnel profile ⓘ |
| formation |
4-car trainsets
ⓘ
6-car trainsets ⓘ |
| hasAirConditioning | yes ⓘ |
| hasCoupling | automatic couplers ⓘ |
| hasInteriorLayout | longitudinal bench seating ⓘ |
| hasPantograph | no ⓘ |
| hasPassengerInformationSystem | onboard electronic displays ⓘ |
| hasPrioritySeating | yes ⓘ |
| hasWheelchairSpace | yes ⓘ |
| introducedInService | 1990 ⓘ |
| lineUsedOn | Nagahori Tsurumi-ryokuchi Line NERFINISHED ⓘ |
| locatedIn | Osaka ⓘ |
| maximumSpeed | about 70 km/h ⓘ |
| network | Osaka Metro network ⓘ |
| operator |
Osaka Metro
NERFINISHED
ⓘ
Osaka Municipal Transportation Bureau NERFINISHED ⓘ |
| operatorLanguage | Japanese ⓘ |
| powerCollectionMethod | contact shoe ⓘ |
| powerOutput | approximately 100 kW per motor ⓘ |
| propulsionSystem | linear motor ⓘ |
| region | Kansai region ⓘ |
| safetySystem |
automatic train control
ⓘ
automatic train stop ⓘ |
| serviceCategory | heavy metro ⓘ |
| serviceStatus | in operation ⓘ |
| serviceType | subway ⓘ |
| trackGauge | standard gauge ⓘ |
| tractionControl |
VVVF inverter control (later or refurbished sets)
ⓘ
chopper control (early sets) ⓘ |
| usedBy | commuters in Osaka metropolitan area ⓘ |
| usedIn | Nagahori Tsurumi-ryokuchi Line through-services and local services ⓘ |
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: Osaka Metro 70 series Description of subject: The Osaka Metro 70 series is a type of electric multiple unit train used on Osaka’s Nagahori Tsurumi-ryokuchi Line, known for its linear motor propulsion and modern urban transit design.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.