SNCF Class B 81500
E758953
The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SNCF Class B 81500 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8719838 — 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 B 81500 Context triple: [Transport Express Régional, usesRollingStockModel, SNCF Class B 81500]
-
A.
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.
-
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 23500
The SNCF Class Z 23500 is a type of French electric multiple unit train designed for regional passenger services, particularly on the Réseau Express Régional (RER) and other suburban lines.
-
D.
SNCF Z 8800
The SNCF Z 8800 is a class of French dual-voltage electric multiple units used primarily for suburban and regional commuter services around Paris.
-
E.
SNCF Z 20500
The SNCF Z 20500 is a class of double-deck electric multiple unit trains used for Paris suburban and regional commuter 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 B 81500 Target entity description: The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
-
A.
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.
-
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 23500
The SNCF Class Z 23500 is a type of French electric multiple unit train designed for regional passenger services, particularly on the Réseau Express Régional (RER) and other suburban lines.
-
D.
SNCF Z 8800
The SNCF Z 8800 is a class of French dual-voltage electric multiple units used primarily for suburban and regional commuter services around Paris.
-
E.
SNCF Z 20500
The SNCF Z 20500 is a class of double-deck electric multiple unit trains used for Paris suburban and regional commuter services.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
bi-mode multiple unit
ⓘ
regional train ⓘ |
| belongsToFleet | SNCF regional rolling stock ⓘ |
| brakeType | air brakes ⓘ |
| category | French regional train class ⓘ |
| configuration | multiple unit ⓘ |
| controlType | multiple-unit control ⓘ |
| countryOfOperation | France ⓘ |
| coupling | multiple-unit compatible ⓘ |
| designedBy | for SNCF specifications ⓘ |
| designedFor |
electrified lines
ⓘ
non-electrified lines ⓘ |
| electricSystem | 25 kV AC overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasDoors | multiple side doors ⓘ |
| hasDriverCab | both ends ⓘ |
| hasOnboardFacilities |
seated accommodation
ⓘ
standing space ⓘ |
| hasOperationMode |
diesel mode
ⓘ
electric mode ⓘ |
| introducedAs | bi-mode regional solution ⓘ |
| multipleWorking | multiple units ⓘ |
| operator |
SNCF
ⓘ
TER ⓘ |
| owner | SNCF ⓘ |
| passengerCapacity | passenger seating ⓘ |
| powerSupply |
diesel
ⓘ
overhead electric ⓘ |
| primaryUse |
TER services
ⓘ
linked to:
TER regional services
|
| propulsionType | bi-mode ⓘ |
| railVehicleType |
diesel-electric multiple unit
ⓘ
electric multiple unit ⓘ |
| railwayNetwork | French national rail network ⓘ |
| railwayTraffic | passenger only ⓘ |
| routeAvailability | regional routes ⓘ |
| safetySystem | French national signalling systems ⓘ |
| serviceRegion | French regions ⓘ |
| serviceType |
local passenger service
ⓘ
regional passenger service ⓘ |
| trackGauge | 1435 mm ⓘ |
| usedFor |
local transport
ⓘ
regional transport ⓘ |
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 B 81500 Description of subject: The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.