30000-series EMU
E340915
The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 30000-series EMU canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3166447 — 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: 30000-series EMU Context triple: [Osaka Metro Midosuji Line, rollingStock, 30000-series EMU]
-
A.
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.
-
B.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
-
C.
201 series EMU
The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
-
D.
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.
-
E.
300 series Shinkansen
The 300 series Shinkansen was a high-speed Japanese bullet train type introduced in the early 1990s, known for inaugurating the standard 270 km/h operating speed on major Shinkansen 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: 30000-series EMU Target entity description: The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
-
A.
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.
-
B.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
-
C.
201 series EMU
The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
-
D.
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.
-
E.
300 series Shinkansen
The 300 series Shinkansen was a high-speed Japanese bullet train type introduced in the early 1990s, known for inaugurating the standard 270 km/h operating speed on major Shinkansen lines.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
passenger train ⓘ |
| country | Japan ⓘ |
| designedFor | urban rapid transit ⓘ |
| feature |
LED interior lighting
ⓘ
air conditioning ⓘ barrier-free design elements ⓘ energy-saving traction system ⓘ enhanced passenger comfort ⓘ improved accessibility ⓘ improved energy efficiency ⓘ improved ride comfort ⓘ information displays ⓘ low-floor or step-reduced access ⓘ noise reduction measures ⓘ priority seating areas ⓘ regenerative braking ⓘ spaces for wheelchairs ⓘ wide doorways ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| location | Osaka Prefecture ⓘ |
| network |
Osaka Metro
ⓘ
surface form:
Osaka Metro network
|
| operator | Osaka Metro ⓘ |
| powerCollectionMethod | overhead catenary ⓘ |
| purpose | modernization of Osaka Metro fleet ⓘ |
| replaces | earlier Osaka Metro rolling stock ⓘ |
| serviceType |
commuter service
ⓘ
metro service ⓘ |
| traction | electric ⓘ |
| usedOn |
Osaka Metro
ⓘ
surface form:
Osaka Metro lines
|
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: 30000-series EMU Description of subject: The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.