SNCF Class Z 20500
E830198
The SNCF Class Z 20500 is a series of double-deck electric multiple units used for Paris suburban and regional commuter services, particularly on the RER and Transilien networks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SNCF Class Z 20500 canonical | 1 |
| SNCF Z 20500 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9952187 — 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 20500 Context triple: [Line P, rollingStock, SNCF Class Z 20500]
-
A.
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.
-
B.
SNCF Class Z 21500
The SNCF Class Z 21500 is a series of electric multiple unit trains operated by SNCF for regional passenger services, particularly in western France.
-
C.
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.
-
D.
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.
-
E.
SNCF Class Z 21700
The SNCF Class Z 21700 is a series of French electric multiple unit trains operated by SNCF 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 20500 Target entity description: The SNCF Class Z 20500 is a series of double-deck electric multiple units used for Paris suburban and regional commuter services, particularly on the RER and Transilien networks.
-
A.
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.
-
B.
SNCF Class Z 21500
The SNCF Class Z 21500 is a series of electric multiple unit trains operated by SNCF for regional passenger services, particularly in western France.
-
C.
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.
-
D.
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.
-
E.
SNCF Class Z 21700
The SNCF Class Z 21700 is a series of French electric multiple unit trains operated by SNCF for regional passenger services.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
double-deck train
ⓘ
electric multiple unit ⓘ |
| belongsToFamily | Z 2N family ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| builtFor | Île-de-France commuter traffic ⓘ |
| canOperateInMultiple | yes ⓘ |
| carbodyMaterial | steel ⓘ |
| controlSystem | multiple-unit control ⓘ |
| country | France ⓘ |
| couplingType | automatic coupler ⓘ |
| deckConfiguration | double-deck ⓘ |
| designedBy |
SNCF engineering
ⓘ
linked to:
SNCF
|
| designedCapacity | high passenger capacity ⓘ |
| designedFor | high-capacity commuter operation ⓘ |
| doorConfiguration | multiple wide doors per side ⓘ |
| doorType | sliding plug doors ⓘ |
| electrificationSystem |
1.5 kV DC overhead line
ⓘ
25 kV AC overhead line ⓘ |
| floorType | high-floor ⓘ |
| gauge | standard gauge ⓘ |
| hasCab | driving cab at each end ⓘ |
| introducedInService |
1990s
ⓘ
late 1980s ⓘ |
| network |
RER
ⓘ
linked to:
RER network
Transilien ⓘ |
| numberOfDecks | 2 ⓘ |
| operator | SNCF ⓘ |
| owner | SNCF ⓘ |
| passengerAccess | side doors ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| primaryUse |
RER Line C
ⓘ
Transilien Line D ⓘ
linked to:
Transilien line D
Transilien Line P ⓘ Transilien Line R ⓘ |
| region |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
| rollingStockCategory |
RER rolling stock
ⓘ
Transilien rolling stock ⓘ
linked to:
SNCF rolling stock
|
| serviceArea |
Paris metropolitan area
ⓘ
linked to:
Grand Paris urban area
|
| servicePattern | all-stations and semi-fast services ⓘ |
| serviceStatus | in service ⓘ |
| serviceType | commuter rail ⓘ |
| suitableFor | frequent-stop operation ⓘ |
| traction | electric ⓘ |
| typicalFormation | 4-car set ⓘ |
| usedFor |
regional commuter service
ⓘ
suburban passenger service ⓘ |
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 20500 Description of subject: The SNCF Class Z 20500 is a series of double-deck electric multiple units used for Paris suburban and regional commuter services, particularly on the RER and Transilien networks.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
line P
linked to: SNCF Class Z 20500