Osaka Metro 30000 series
E167303
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Osaka Metro 30000 series canonical | 3 |
| Osaka Metro 30000 series trains | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1453283 — 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 30000 series Context triple: [Osaka Metro Sennichimae Line, hasRollingStock, Osaka Metro 30000 series]
-
A.
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.
-
B.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
-
C.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
D.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
-
E.
Tokyo Metro 8000 series
The Tokyo Metro 8000 series is a fleet of electric multiple unit trains introduced in the early 1980s for Tokyo’s subway network, known for their long service life and multiple refurbishment programs.
- 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 30000 series Target entity description: 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.
-
A.
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.
-
B.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
-
C.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
D.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
-
E.
Tokyo Metro 8000 series
The Tokyo Metro 8000 series is a fleet of electric multiple unit trains introduced in the early 1980s for Tokyo’s subway network, known for their long service life and multiple refurbishment programs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| bodyMaterial | stainless steel ⓘ |
| brakeSystem |
ATC-compatible brake
ⓘ
electric command brake ⓘ regenerative brake ⓘ |
| countryOfOperation | Japan ⓘ |
| designedFor |
Osaka Metro
ⓘ
surface form:
Osaka Municipal Subway network
energy efficiency ⓘ improved ride comfort ⓘ reduced maintenance costs ⓘ |
| doorConfiguration | 3 pairs per side per car ⓘ |
| enteredService | 2009 ⓘ |
| formation |
10-car sets
ⓘ
4-car sets ⓘ 6-car sets ⓘ |
| gauge | 1,435 mm ⓘ |
| hasFeature |
LCD passenger information displays
ⓘ
LED destination indicators ⓘ VVVF inverter control ⓘ air conditioning ⓘ energy-efficient systems ⓘ improved passenger comfort ⓘ longitudinal seating ⓘ priority seating ⓘ regenerative braking ⓘ stainless steel carbody ⓘ wheelchair spaces ⓘ |
| hasInteriorLighting | LED lighting ⓘ |
| introducedOnLine |
Chuo Line
NERFINISHED
ⓘ
Osaka Metro Midosuji Line ⓘ
surface form:
Midosuji Line
Nagahori Tsurumi-ryokuchi Line NERFINISHED ⓘ Sennichimae Line NERFINISHED ⓘ Tanimachi Line NERFINISHED ⓘ Yotsubashi Line NERFINISHED ⓘ |
| manufacturer |
Hitachi
ⓘ
Kinki Sharyo ⓘ |
| network |
Osaka Metro
ⓘ
surface form:
Osaka Metro network
|
| operator | Osaka Metro ⓘ |
| powerSupply | 750 V DC third rail ⓘ |
| primaryUse | urban subway services ⓘ |
| region | Kansai region ⓘ |
| safetySystem |
Automatic Train Control
ⓘ
Automatic Train Stop ⓘ |
| serviceOperator |
Osaka Metro
ⓘ
surface form:
Osaka Municipal Transportation Bureau
|
| successorOf |
Osaka Municipal Subway 10 series
ⓘ
Osaka Metro 20 series ⓘ
surface form:
Osaka Municipal Subway 20 series
Osaka Metro 30 series trains ⓘ
surface form:
Osaka Municipal Subway 30 series
|
| tractionType | electric ⓘ |
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 30000 series Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osaka Metro 30000 series trains