Comeng EMU
E606704
The Comeng EMU is a long-serving class of electric multiple unit trains used on Melbourne's suburban rail network.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Comeng EMU canonical | 7 |
| Comeng train | 6 |
| Comeng trains | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6536624 — 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: Comeng EMU Context triple: [Sunbury line, rollingStock, Comeng EMU]
-
A.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
B.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
C.
X60 EMU
The X60 EMU is a modern electric multiple unit train used for high-capacity commuter services in the Stockholm region.
-
D.
CP Class 3400 EMU
The CP Class 3400 EMU is a series of electric multiple-unit trains operated by Comboios de Portugal, primarily used for suburban and commuter rail services.
-
E.
Class 313 EMU
The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
- 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: Comeng EMU Target entity description: The Comeng EMU is a long-serving class of electric multiple unit trains used on Melbourne's suburban rail network.
-
A.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
B.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
C.
X60 EMU
The X60 EMU is a modern electric multiple unit train used for high-capacity commuter services in the Stockholm region.
-
D.
CP Class 3400 EMU
The CP Class 3400 EMU is a series of electric multiple-unit trains operated by Comboios de Portugal, primarily used for suburban and commuter rail services.
-
E.
Class 313 EMU
The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
suburban passenger train ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| carTypes |
motor car with pantograph
ⓘ
trailer car ⓘ |
| category |
electric multiple units of Australia
ⓘ
rolling stock of Victoria ⓘ |
| controlSystem | driver operated from leading cab ⓘ |
| countryOfOperation | Australia ⓘ |
| couplingType | Scharfenberg coupler ⓘ |
| doorType | power-operated sliding doors ⓘ |
| enteredServiceDecade | 1980s ⓘ |
| formation | 3-car set ⓘ |
| hasFeature |
inter-car gangways
ⓘ
open saloon seating ⓘ overhead luggage racks ⓘ |
| introducedToService | 1981 ⓘ |
| manufacturer |
Comeng
ⓘ
Commonwealth Engineering ⓘ |
| multipleWorking | compatible with other Comeng sets ⓘ |
| operatesOnSystem |
Myki ticketing system
ⓘ
linked to:
Myki
|
| operatingState | Victoria ⓘ |
| operator |
Connex Melbourne
ⓘ
M>Train ⓘ Metro Trains Melbourne ⓘ Public Transport Corporation ⓘ |
| operatorColourSchemes |
Connex blue and yellow livery
ⓘ
M>Train blue and green livery ⓘ Met green and gold livery ⓘ Metro Trains blue and white livery ⓘ |
| plannedWithdrawal | progressive replacement by newer EMUs ⓘ |
| powerSupply | 1500 V DC overhead ⓘ |
| propulsion | electric traction motors ⓘ |
| railNetwork | Melbourne suburban rail network ⓘ |
| refurbishedBy |
Alstom
ⓘ
Downer EDI Rail ⓘ |
| refurbishmentPeriod | early 2000s ⓘ |
| region | Greater Melbourne ⓘ |
| safetySystem |
automatic train protection (later upgrades)
ⓘ
train stop system ⓘ |
| servesCity | Melbourne ⓘ |
| serviceType |
all-stations suburban services
ⓘ
stopping services ⓘ |
| status | in revenue service (as of early 2020s) ⓘ |
| trackGauge | 1,600 mm broad gauge ⓘ |
| tractionType | electric ⓘ |
| usedFor | urban commuter transport ⓘ |
| usedOn | electrified lines in Melbourne ⓘ |
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: Comeng EMU Description of subject: The Comeng EMU is a long-serving class of electric multiple unit trains used on Melbourne's suburban rail network.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
linked to: Comeng EMU
subject linked to:
Metro Trains
linked to: Comeng EMU