Douglas to Port Erin line
E750281
The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Douglas to Port Erin line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8697983 — 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: Douglas to Port Erin line Context triple: [Isle of Man Railway, openedSection, Douglas to Port Erin line]
-
A.
Belfast–Larne line
The Belfast–Larne line is a railway route in Northern Ireland connecting Belfast to the port town of Larne, historically operated by the Northern Counties Committee and important for both passenger and ferry-linked traffic.
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B.
Belfast–Bangor line
The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
-
C.
Fair Head–Clew Bay Line
The Fair Head–Clew Bay Line is a major geological lineament in Ireland that marks a significant structural and tectonic boundary within the island’s bedrock.
-
D.
Whifflet Line
The Whifflet Line is a suburban railway route in North Lanarkshire, Scotland, forming part of the Glasgow area rail network and serving communities such as Whifflet and Coatbridge.
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E.
Belfast–Dublin railway line
The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
- 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: Douglas to Port Erin line Target entity description: The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
-
A.
Belfast–Larne line
The Belfast–Larne line is a railway route in Northern Ireland connecting Belfast to the port town of Larne, historically operated by the Northern Counties Committee and important for both passenger and ferry-linked traffic.
-
B.
Belfast–Bangor line
The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
-
C.
Fair Head–Clew Bay Line
The Fair Head–Clew Bay Line is a major geological lineament in Ireland that marks a significant structural and tectonic boundary within the island’s bedrock.
-
D.
Whifflet Line
The Whifflet Line is a suburban railway route in North Lanarkshire, Scotland, forming part of the Glasgow area rail network and serving communities such as Whifflet and Coatbridge.
-
E.
Belfast–Dublin railway line
The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
heritage railway line
ⓘ
narrow-gauge railway line ⓘ steam railway ⓘ |
| connects |
Douglas
NERFINISHED
ⓘ
Port Erin NERFINISHED ⓘ |
| country |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
|
| electrification | not electrified ⓘ |
| gauge | 3 ft (914 mm) ⓘ |
| hasIntermediateStations |
Ballasalla
NERFINISHED
ⓘ
Castletown NERFINISHED ⓘ Colby NERFINISHED ⓘ Port Soderick NERFINISHED ⓘ Port St Mary NERFINISHED ⓘ Santon NERFINISHED ⓘ |
| heritageDesignation | historic railway route ⓘ |
| historicalEra | Victorian railway ⓘ |
| length | approximately 15.3 miles ⓘ |
| locatedIn | Isle of Man NERFINISHED ⓘ |
| locatedOn | Isle of Man main island ⓘ |
| notableFeature |
original Victorian-era steam locomotives
ⓘ
original wooden-bodied carriages ⓘ |
| opened | 1874 ⓘ |
| operator | Isle of Man Railway NERFINISHED ⓘ |
| owner | Isle of Man Government NERFINISHED ⓘ |
| partOf | Isle of Man Railway NERFINISHED ⓘ |
| primaryUse | tourist railway ⓘ |
| propulsion | steam locomotives ⓘ |
| seasonalOperation | operates mainly in summer season ⓘ |
| serves |
Douglas, the capital of the Isle of Man
NERFINISHED
ⓘ
Port Erin, a seaside town on the Isle of Man NERFINISHED ⓘ |
| serviceType | passenger ⓘ |
| status | operational as a heritage railway ⓘ |
| terminus |
Douglas railway station
NERFINISHED
ⓘ
Port Erin railway station NERFINISHED ⓘ |
| tourismImportance | major tourist attraction on the Isle of Man ⓘ |
| trackConfiguration | single track with passing loops ⓘ |
| trackGauge | narrow gauge ⓘ |
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: Douglas to Port Erin line Description of subject: The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.