Snaefell Mountain Railway
E112712
The Snaefell Mountain Railway is a historic electric mountain railway on the Isle of Man that carries passengers from Laxey to the summit of Snaefell, the island’s highest peak.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Snaefell Mountain Railway canonical | 3 |
| Snaefell Mountain Railway at Bungalow | 1 |
| Snaefell Mountain Railway at Laxey | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T955317 — 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: Snaefell Mountain Railway Context triple: [Snaefell, hasTransport, Snaefell Mountain Railway]
-
A.
Snaefell
Snaefell is a prominent mountain on the Isle of Man known for its panoramic views, from which it is said you can see six kingdoms on a clear day.
-
B.
Ffestiniog Railway
Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
-
C.
Bridgnorth Cliff Railway
Bridgnorth Cliff Railway is a historic funicular railway in the town of Bridgnorth, England, that links the High Town and Low Town across the steep river valley.
-
D.
Wellington Cable Car
The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
-
E.
Aerial Tram
The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
- 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: Snaefell Mountain Railway Target entity description: The Snaefell Mountain Railway is a historic electric mountain railway on the Isle of Man that carries passengers from Laxey to the summit of Snaefell, the island’s highest peak.
-
A.
Snaefell
Snaefell is a prominent mountain on the Isle of Man known for its panoramic views, from which it is said you can see six kingdoms on a clear day.
-
B.
Ffestiniog Railway
Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
-
C.
Bridgnorth Cliff Railway
Bridgnorth Cliff Railway is a historic funicular railway in the town of Bridgnorth, England, that links the High Town and Low Town across the steep river valley.
-
D.
Wellington Cable Car
The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
-
E.
Aerial Tram
The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
electric railway
ⓘ
heritage railway ⓘ mountain railway ⓘ |
| connectsWith | Manx Electric Railway ⓘ |
| country |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
|
| depot |
Laxey
ⓘ
surface form:
Laxey car shed
|
| electrificationSystem | 550 V DC ⓘ |
| endPoint |
Snaefell
ⓘ
surface form:
Snaefell summit
|
| gauge |
1,067 mm
ⓘ
3 ft 6 in ⓘ |
| heritageProtection | preserved as part of Isle of Man heritage railways ⓘ |
| heritageSignificance | historic electric mountain railway ⓘ |
| highestElevation | approximately 2,000 ft above sea level ⓘ |
| highestPoint |
Snaefell Summit station
ⓘ
surface form:
Snaefell summit station
|
| lineType | mountain ascent line ⓘ |
| locatedIn | Laxey ⓘ |
| locatedOn |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
|
| maximumGradient | 1 in 12 ⓘ |
| offers |
views of surrounding seas on clear days
ⓘ
views over much of the Isle of Man ⓘ |
| opened | 1895 ⓘ |
| openedForPassengerService | 1895 ⓘ |
| operator |
Isle of Man Railway
ⓘ
surface form:
Isle of Man Railways
|
| originalCarsBuilt | 1895 ⓘ |
| owner | Isle of Man Government ⓘ |
| powerCollectionMethod | overhead wire ⓘ |
| primaryUse | tourist transport ⓘ |
| rackRailUse |
braking
ⓘ
traction assistance on steep gradients ⓘ |
| rackSystem | Fell centre rail system ⓘ |
| rollingStockType | electric tramcars ⓘ |
| routeLength |
about 5 miles
ⓘ
about 8 kilometres ⓘ |
| safetySystem | Fell rail braking system ⓘ |
| seasonalOperation | yes ⓘ |
| serves | Snaefell ⓘ |
| startPoint | Laxey ⓘ |
| status | operational ⓘ |
| terminus |
Laxey station
ⓘ
Snaefell Summit station ⓘ |
| touristAttraction | yes ⓘ |
| trackConfiguration | single track with passing loops ⓘ |
| uses | bow collectors ⓘ |
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: Snaefell Mountain Railway Description of subject: The Snaefell Mountain Railway is a historic electric mountain railway on the Isle of Man that carries passengers from Laxey to the summit of Snaefell, the island’s highest peak.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Snaefell Mountain Railway at Bungalow
this entity surface form:
Snaefell Mountain Railway at Laxey