SNCF Class Z 31500
E768703
The SNCF Class Z 31500 is a type of electric multiple unit train operated by the French national railway company for regional passenger services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SNCF Class Z 31500 canonical | 2 |
| SNCF Z-class EMUs | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8719844 — 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: SNCF Class Z 31500 Context triple: [Transport Express Régional, usesRollingStockModel, SNCF Class Z 31500]
-
A.
SNCF Class Z 51500
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
-
B.
SNCF Class Z 26500
The SNCF Class Z 26500 is a fleet of French double-deck electric multiple unit trains designed for regional passenger services.
-
C.
SNCF Class Z 27500
The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
-
D.
SNCF Class Z 24500
The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
-
E.
SNCF Class Z 55500
The SNCF Class Z 55500 is a modern electric multiple unit train operated by the French national railway company for regional passenger services.
- 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: SNCF Class Z 31500 Target entity description: The SNCF Class Z 31500 is a type of electric multiple unit train operated by the French national railway company for regional passenger services.
-
A.
SNCF Class Z 51500
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
-
B.
SNCF Class Z 26500
The SNCF Class Z 26500 is a fleet of French double-deck electric multiple unit trains designed for regional passenger services.
-
C.
SNCF Class Z 27500
The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
-
D.
SNCF Class Z 24500
The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
-
E.
SNCF Class Z 55500
The SNCF Class Z 55500 is a modern electric multiple unit train operated by the French national railway company for regional passenger services.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
passenger train ⓘ |
| belongsTo |
SNCF rolling stock fleet
ⓘ
linked to:
SNCF rolling stock
|
| belongsToClass | Z 31500 series ⓘ |
| brakeType | air brakes ⓘ |
| category |
French electric multiple units
ⓘ
SNCF electric multiple units ⓘ
linked to:
SNCF rolling stock
|
| controlType | multiple-unit control ⓘ |
| country | France ⓘ |
| designedBy | SNCF (specifications) ⓘ |
| designedFor |
commuter traffic
ⓘ
regional traffic ⓘ |
| electrificationSystem | overhead AC or DC (varies by line) ⓘ |
| gauge | standard gauge ⓘ |
| hasCouplers | multiple-unit couplers ⓘ |
| hasDrivingCabs | yes ⓘ |
| operator |
SNCF
ⓘ
SNCF TER ⓘ |
| operatorType | national railway company ⓘ |
| passengerCapacity | multiple units ⓘ |
| powerSupply | overhead line ⓘ |
| primaryUse | regional passenger transport ⓘ |
| railwayNetwork | French railway network ⓘ |
| railwayOperator |
SNCF Mobilités
ⓘ
linked to:
SNCF
|
| railwayVehicleType | EMU ⓘ |
| serviceArea | French regions ⓘ |
| serviceRole |
regional EMU
ⓘ
suburban EMU ⓘ |
| serviceType | regional passenger service ⓘ |
| trackGauge | 1435 mm ⓘ |
| traction | electric ⓘ |
| usedBy | French national railway company ⓘ |
| usedFor |
passenger transport
ⓘ
regional rail services ⓘ suburban rail 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: SNCF Class Z 31500 Description of subject: The SNCF Class Z 31500 is a type of electric multiple unit train operated by the French national railway company for regional passenger services.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: SNCF Class Z 31500