Ge 4/4 II electric locomotive
E701554
The Ge 4/4 II is a class of narrow-gauge electric locomotives used by Swiss alpine railways, known for their reliability and versatility in both passenger and freight service on steep, winding mountain lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ge 4/4 II electric locomotive canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7875746 — 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: Ge 4/4 II electric locomotive Context triple: [Rhaetian Railway, hasRollingStockType, Ge 4/4 II electric locomotive]
-
A.
GG1 electric locomotive
The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
-
B.
Siemens Charger locomotive
The Siemens Charger locomotive is a modern, high-speed, diesel-electric passenger locomotive widely used by North American rail operators for efficient and environmentally friendlier corridor services.
-
C.
DE30AC locomotive
The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
-
D.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
-
E.
Siemens ACS-64
The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
- 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: Ge 4/4 II electric locomotive Target entity description: The Ge 4/4 II is a class of narrow-gauge electric locomotives used by Swiss alpine railways, known for their reliability and versatility in both passenger and freight service on steep, winding mountain lines.
-
A.
GG1 electric locomotive
The GG1 electric locomotive was a streamlined, high-speed electric locomotive class that became an iconic workhorse of American railroading, particularly in the Northeast corridor, during much of the 20th century.
-
B.
Siemens Charger locomotive
The Siemens Charger locomotive is a modern, high-speed, diesel-electric passenger locomotive widely used by North American rail operators for efficient and environmentally friendlier corridor services.
-
C.
DE30AC locomotive
The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
-
D.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
-
E.
Siemens ACS-64
The Siemens ACS-64 is a high-speed, electric locomotive used by Amtrak for passenger rail service in the United States.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
electric locomotive class
ⓘ
narrow-gauge locomotive ⓘ |
| axleArrangement | Bo-Bo ⓘ |
| brakeType |
air brake
ⓘ
electric rheostatic brake ⓘ |
| builder |
BBC
NERFINISHED
ⓘ
MFO NERFINISHED ⓘ SAAS NERFINISHED ⓘ SLM ⓘ |
| buildPeriodEnd | 1985 ⓘ |
| buildPeriodStart | 1973 ⓘ |
| collectionMethod | pantograph ⓘ |
| continuousPowerOutput | approximately 1700 kW ⓘ |
| countryOfOperation | Switzerland NERFINISHED ⓘ |
| designedFor |
freight service
ⓘ
mixed traffic ⓘ mountain railways ⓘ passenger service ⓘ |
| electricSystem | 11 kV 16.7 Hz AC overhead ⓘ |
| fleetNumbers | RhB 611–633 ⓘ |
| gaugeType | metre gauge ⓘ |
| introduced | 1973 ⓘ |
| knownFor |
reliability
ⓘ
versatility ⓘ |
| lengthOverBuffers | approximately 12.9 m ⓘ |
| maximumSpeed | 80 km/h ⓘ |
| numberBuilt | 23 ⓘ |
| operator | Rhaetian Railway NERFINISHED ⓘ |
| powerType | electric ⓘ |
| railwayCompanyType | Swiss private railway ⓘ |
| railwayNetwork | Rhaetian Railway network NERFINISHED ⓘ |
| region | Canton of Graubünden NERFINISHED ⓘ |
| serviceRole |
freight locomotive
ⓘ
mainline locomotive ⓘ regional passenger locomotive ⓘ |
| successorClass | Ge 4/4 III ⓘ |
| trackGauge | 1000 mm ⓘ |
| tractionMotors | four axle-hung traction motors ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedFor |
heavy trains on steep gradients
ⓘ
year-round operation in alpine climate ⓘ |
| usedOn |
Albula Railway
NERFINISHED
ⓘ
Bernina Railway (partly for compatible sections) NERFINISHED ⓘ Disentis/Mustér–Scuol-Tarasp line NERFINISHED ⓘ Glacier Express services (in RhB territory) NERFINISHED ⓘ Landquart–Davos line NERFINISHED ⓘ Landquart–Thusis line NERFINISHED ⓘ curved mountain lines ⓘ regional trains in Graubünden ⓘ steep mountain lines ⓘ |
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: Ge 4/4 II electric locomotive Description of subject: The Ge 4/4 II is a class of narrow-gauge electric locomotives used by Swiss alpine railways, known for their reliability and versatility in both passenger and freight service on steep, winding mountain lines.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.