Talyllyn
E245390
Talyllyn is a historic narrow-gauge steam locomotive that operates on the Talyllyn Railway in Wales.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Talyllyn canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2219257 — 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: Talyllyn Context triple: [Talyllyn Railway, hasLocomotive, Talyllyn]
-
A.
Lynndyl
Lynndyl is a small rural town located in central Utah in the western United States.
-
B.
Twydall
Twydall is a residential suburb and ward on the eastern side of Gillingham in Kent, England.
-
C.
Onllwyn
Onllwyn is a former coal-mining village in South Wales, known for its industrial heritage and location within the county borough of Neath Port Talbot.
-
D.
Henllys
Henllys is a residential village and suburb forming part of the Cwmbran area in Torfaen, South Wales.
-
E.
Crynant
Crynant is a small village and community in the Dulais Valley of Neath Port Talbot, South Wales, historically associated with coal mining.
- 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: Talyllyn Target entity description: Talyllyn is a historic narrow-gauge steam locomotive that operates on the Talyllyn Railway in Wales.
-
A.
Lynndyl
Lynndyl is a small rural town located in central Utah in the western United States.
-
B.
Twydall
Twydall is a residential suburb and ward on the eastern side of Gillingham in Kent, England.
-
C.
Onllwyn
Onllwyn is a former coal-mining village in South Wales, known for its industrial heritage and location within the county borough of Neath Port Talbot.
-
D.
Henllys
Henllys is a residential village and suburb forming part of the Cwmbran area in Torfaen, South Wales.
-
E.
Crynant
Crynant is a small village and community in the Dulais Valley of Neath Port Talbot, South Wales, historically associated with coal mining.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
heritage railway locomotive
ⓘ
narrow-gauge locomotive ⓘ steam locomotive ⓘ |
| associatedWith |
Talyllyn Railway
ⓘ
surface form:
Talyllyn Railway Preservation Society
|
| buildCountry |
England
ⓘ
United Kingdom ⓘ |
| buildDate | 1864 ⓘ |
| builder | Fletcher, Jennings & Co. ⓘ |
| buildLocation |
Cumbria
ⓘ
Whitehaven ⓘ |
| country |
United Kingdom
ⓘ
Wales ⓘ |
| enteredService | 1865 ⓘ |
| fleetNumber | 1 ⓘ |
| fuelType | coal ⓘ |
| gauge |
2 ft 3 in
ⓘ
686 mm ⓘ |
| hasConfiguration | 0-4-2ST ⓘ |
| hasHeritageStatus | preserved locomotive ⓘ |
| hasHistoricalSignificance | part of one of the first volunteer-run preserved railways in the world ⓘ |
| hasOperatorType | heritage railway company ⓘ |
| hasUICClassification | Bn2t ⓘ |
| heritageDesignation | historic locomotive ⓘ |
| location |
Gwynedd
ⓘ
Mid Wales ⓘ Tywyn ⓘ |
| locomotiveType | saddle tank locomotive ⓘ |
| namedAfter | Talyllyn Lake ⓘ |
| notableFor | being one of the earliest preserved narrow-gauge steam locomotives in regular service ⓘ |
| operator | Talyllyn Railway ⓘ |
| originalOwner | Talyllyn Railway ⓘ |
| powerType | steam ⓘ |
| propulsionType | steam ⓘ |
| railwayLine | Talyllyn Railway ⓘ |
| region |
Snowdonia
ⓘ
surface form:
Snowdonia area
|
| serviceType | tourist passenger service ⓘ |
| status | operational ⓘ |
| touristAttraction | yes ⓘ |
| trackGaugeType | narrow gauge ⓘ |
| usedFor |
heritage railway operations
ⓘ
passenger services ⓘ |
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: Talyllyn Description of subject: Talyllyn is a historic narrow-gauge steam locomotive that operates on the Talyllyn Railway in Wales.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.