Z 20500 EMU
E86081
The Z 20500 EMU is a class of double-deck electric multiple unit trains operated by SNCF in the Paris suburban network, notably on lines such as the RER.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Z 20500 | 4 |
| Z 20500 EMU canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T675723 — 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: Z 20500 EMU Context triple: [RER C, usesRollingStock, Z 20500 EMU]
-
A.
Z 5600 EMU
The Z 5600 EMU is a class of French electric multiple unit trains built for suburban commuter services around Paris, notably operating on the RER network.
-
B.
Z 8800 EMU
The Z 8800 EMU is a class of French electric multiple unit trains operated by SNCF, primarily used for suburban commuter services in the Paris region.
-
C.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
M9 electric multiple unit
The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
- 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: Z 20500 EMU Target entity description: The Z 20500 EMU is a class of double-deck electric multiple unit trains operated by SNCF in the Paris suburban network, notably on lines such as the RER.
-
A.
Z 5600 EMU
The Z 5600 EMU is a class of French electric multiple unit trains built for suburban commuter services around Paris, notably operating on the RER network.
-
B.
Z 8800 EMU
The Z 8800 EMU is a class of French electric multiple unit trains operated by SNCF, primarily used for suburban commuter services in the Paris region.
-
C.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
M9 electric multiple unit
The M9 electric multiple unit is a modern commuter rail train used by the Long Island Rail Road, designed to replace older fleets with improved performance, safety, and passenger amenities.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
double-deck train ⓘ electric multiple unit ⓘ |
| brakingSystem | electro-pneumatic brakes ⓘ |
| category |
French electric multiple unit
ⓘ
double-deck EMU ⓘ suburban EMU ⓘ |
| controlType | multiple-unit control ⓘ |
| country | France ⓘ |
| designedBy | SNCF ⓘ |
| designedFor |
dense suburban stopping patterns
ⓘ
high-capacity commuter traffic ⓘ |
| doorConfiguration | multiple side doors per car for rapid boarding ⓘ |
| doorType | sliding plug doors ⓘ |
| electrificationSystem |
1.5 kV DC overhead
ⓘ
25 kV AC overhead ⓘ |
| family | Z 2N ⓘ |
| floorConfiguration | double-deck intermediate cars ⓘ |
| gauge | standard gauge ⓘ |
| hasPassengerAccommodation |
first class
ⓘ
second class ⓘ |
| intendedOperator |
SNCF for Île-de-France services
ⓘ
linked to:
Transilien
|
| multipleWorking | compatible with other Z 2N series units ⓘ |
| numberOfDecks | 2 ⓘ |
| operatedBy |
SNCF Transilien division
ⓘ
linked to:
Transilien
|
| operatesOnLine |
RER C
ⓘ
RER D ⓘ |
| operatesOnNetwork | Paris suburban network ⓘ |
| operatesOnService |
RER
ⓘ
linked to:
RER network
|
| operator | SNCF ⓘ |
| operatorType | national railway company ⓘ |
| owner | SNCF ⓘ |
| powerCollectionMethod | overhead catenary ⓘ |
| primaryUse | commuter services to and from Paris ⓘ |
| region | Île-de-France rail network ⓘ |
| serviceArea |
Paris metropolitan area
ⓘ
linked to:
Grand Paris urban area
|
| serviceType |
regional rail
ⓘ
suburban rail ⓘ |
| trackGauge | 1435 mm ⓘ |
| tractionType | electric ⓘ |
| trainType | EMU ⓘ |
| usedBy |
RER network
ⓘ
Transilien ⓘ |
| usedFor |
RER outer suburban branches
ⓘ
Transilien commuter lines ⓘ
linked to:
Transilien
|
| usedInRegion |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
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: Z 20500 EMU Description of subject: The Z 20500 EMU is a class of double-deck electric multiple unit trains operated by SNCF in the Paris suburban network, notably on lines such as the RER.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Z 20500 EMU
linked to: Z 20500 EMU
linked to: Z 20500 EMU