446 series EMU
E595426
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 446 Series EMU | 1 |
| 446 series EMU canonical | 1 |
| 447 series EMU | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6395571 — 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: 446 series EMU Context triple: [C-3, rollingStock, 446 series EMU]
-
A.
70 series EMU
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: 446 series EMU Target entity description: The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
-
A.
70 series EMU
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ regional train ⓘ |
| hasBrakingRole | train braking system ⓘ |
| hasConfiguration | multiple unit ⓘ |
| hasControlType | multiple-unit control ⓘ |
| hasCouplingCapability | multiple-unit operation ⓘ |
| hasDesignPurpose | short to medium distance travel ⓘ |
| hasFormationType | fixed trainset ⓘ |
| hasInfrastructureCompatibility | electrified lines ⓘ |
| hasOperationEnvironment | railway network ⓘ |
| hasOperationMode | passenger service ⓘ |
| hasOperationType | scheduled passenger service ⓘ |
| hasPassengerAccess | multiple doors ⓘ |
| hasPassengerClass | standard class ⓘ |
| hasPassengerCompartmentType | enclosed coaches ⓘ |
| hasPassengerRole | public transport ⓘ |
| hasPowerCollectionMethod | overhead line ⓘ |
| hasServicePattern | frequent-stop services ⓘ |
| hasServiceType |
regional services
ⓘ
suburban services ⓘ |
| hasTractionType | electric traction ⓘ |
| hasTractionUnitType | motor coach ⓘ |
| hasVehicleType |
passenger railcar
ⓘ
railway vehicle ⓘ |
| poweredBy | electricity ⓘ |
| usedFor |
commuter passenger services
ⓘ
regional passenger 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: 446 series EMU Description of subject: The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 446 series EMU
linked to: 446 series EMU