Dolgoch
E252073
Dolgoch is a historic narrow-gauge steam locomotive on Wales’s Talyllyn Railway, renowned for its preservation-era significance and distinctive Victorian design.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dolgoch canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2219258 — 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: Dolgoch Context triple: [Talyllyn Railway, hasLocomotive, Dolgoch]
-
A.
Dolgan
Dolgan is a Turkic language spoken primarily by the Dolgan people in northern Siberia, especially in Russia’s Taymyr Peninsula.
-
B.
Ivanychi
Ivanychi is a small urban-type settlement in western Ukraine that serves as a local administrative and community center within Volyn Oblast.
-
C.
Kudryavy
Kudryavy is an active stratovolcano located on Iturup Island in Russia’s Kuril Island chain, known for its persistent fumarolic activity and gas emissions.
-
D.
Khovrino
Khovrino is a Moscow Metro station serving as the northern terminus of the Zamoskvoretskaya Line.
-
E.
Kuzminki
Kuzminki is a Moscow Metro station on the Tagansko–Krasnopresnenskaya Line serving the Kuzminki District in southeastern Moscow.
- 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: Dolgoch Target entity description: Dolgoch is a historic narrow-gauge steam locomotive on Wales’s Talyllyn Railway, renowned for its preservation-era significance and distinctive Victorian design.
-
A.
Dolgan
Dolgan is a Turkic language spoken primarily by the Dolgan people in northern Siberia, especially in Russia’s Taymyr Peninsula.
-
B.
Ivanychi
Ivanychi is a small urban-type settlement in western Ukraine that serves as a local administrative and community center within Volyn Oblast.
-
C.
Kudryavy
Kudryavy is an active stratovolcano located on Iturup Island in Russia’s Kuril Island chain, known for its persistent fumarolic activity and gas emissions.
-
D.
Khovrino
Khovrino is a Moscow Metro station serving as the northern terminus of the Zamoskvoretskaya Line.
-
E.
Kuzminki
Kuzminki is a Moscow Metro station on the Tagansko–Krasnopresnenskaya Line serving the Kuzminki District in southeastern Moscow.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
heritage railway locomotive
ⓘ
narrow-gauge locomotive ⓘ steam locomotive ⓘ |
| boilerPressure | 150 psi ⓘ |
| buildDate | 1866 ⓘ |
| builder | Fletcher, Jennings & Co. ⓘ |
| builderLocation | Whitehaven ⓘ |
| category |
British narrow-gauge steam locomotive
ⓘ
preserved steam locomotive in Wales ⓘ |
| configuration | 0-4-0WT ⓘ |
| country |
United Kingdom
ⓘ
Wales ⓘ |
| cylinderCount | 2 ⓘ |
| cylinderPosition | outside ⓘ |
| designStyle | Victorian locomotive design ⓘ |
| enteredService | 1866 ⓘ |
| era | Victorian era ⓘ |
| fuelType | coal ⓘ |
| gauge |
2 ft 3 in
ⓘ
686 mm ⓘ |
| hasFeature |
domed boiler
ⓘ
outside frames ⓘ tall chimney ⓘ well tank between frames ⓘ |
| heritageDesignation | iconic locomotive of the Talyllyn Railway ⓘ |
| historicSignificance |
key locomotive in early railway preservation movement
ⓘ
one of the first locomotives to operate on the Talyllyn Railway ⓘ |
| livery | Talyllyn Railway Indian red ⓘ |
| location | Tywyn ⓘ |
| locomotiveType | well tank ⓘ |
| mediaAppearance | featured in railway preservation literature ⓘ |
| nameLanguage | Welsh ⓘ |
| nameOrigin | Dolgoch Falls ⓘ |
| notableEvent | worked throughout the Talyllyn Railway’s decline and preservation transition in the 20th century ⓘ |
| operator |
Talyllyn Railway Company
ⓘ
linked to:
Talyllyn Railway
|
| ownership |
Talyllyn Railway Company
ⓘ
linked to:
Talyllyn Railway
|
| powerType | steam ⓘ |
| preservationStatus | operational ⓘ |
| primaryUse |
passenger trains
ⓘ
quarry traffic ⓘ |
| railway | Talyllyn Railway ⓘ |
| region | Gwynedd ⓘ |
| status | in regular heritage service ⓘ |
| UICClassification | B n2t ⓘ |
| valveGear | Stephenson ⓘ |
| wheelArrangement | 0-4-0 ⓘ |
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: Dolgoch Description of subject: Dolgoch is a historic narrow-gauge steam locomotive on Wales’s Talyllyn Railway, renowned for its preservation-era significance and distinctive Victorian design.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.