Dee Bridge at Llangollen
E892765
Dee Bridge at Llangollen is a historic railway bridge carrying the heritage Llangollen Railway across the River Dee in the town of Llangollen, Wales.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dee Bridge at Llangollen canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10912247 — 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: Dee Bridge at Llangollen Context triple: [Llangollen Railway, hasBridge, Dee Bridge at Llangollen]
-
A.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
-
B.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
C.
Conwy Suspension Bridge
Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
-
D.
Victoria Bridge, Pontypridd
Victoria Bridge in Pontypridd is a later road bridge spanning the River Taff, built to supersede the town’s historic Old Bridge and carry modern traffic through the centre.
-
E.
Green Bridge of Wales
The Green Bridge of Wales is a dramatic natural limestone sea arch and popular coastal landmark located along the rugged shoreline of Pembrokeshire in southwest Wales.
- 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: Dee Bridge at Llangollen Target entity description: Dee Bridge at Llangollen is a historic railway bridge carrying the heritage Llangollen Railway across the River Dee in the town of Llangollen, Wales.
-
A.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
-
B.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
C.
Conwy Suspension Bridge
Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
-
D.
Victoria Bridge, Pontypridd
Victoria Bridge in Pontypridd is a later road bridge spanning the River Taff, built to supersede the town’s historic Old Bridge and carry modern traffic through the centre.
-
E.
Green Bridge of Wales
The Green Bridge of Wales is a dramatic natural limestone sea arch and popular coastal landmark located along the rugged shoreline of Pembrokeshire in southwest Wales.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
railway bridge
ⓘ
steel bridge ⓘ truss bridge ⓘ |
| carries | Llangollen Railway ⓘ |
| country | Wales ⓘ |
| crosses | River Dee ⓘ |
| crossesFeatureType | river ⓘ |
| function | rail transport ⓘ |
| heritageLine | Llangollen Railway ⓘ |
| heritageStatus | part of a preserved railway ⓘ |
| locatedIn |
Denbighshire
ⓘ
Llangollen ⓘ United Kingdom ⓘ Wales ⓘ |
| material | steel ⓘ |
| near |
Llangollen town centre
ⓘ
linked to:
Llangollen
|
| notableFor |
association with Llangollen Railway
ⓘ
location in the Dee Valley ⓘ |
| owner | Llangollen Railway ⓘ |
| region | North Wales ⓘ |
| riverCrossed |
River Dee, Wales
ⓘ
linked to:
River Dee (Afon Dyfrdwy)
|
| serves |
heritage railway operations
ⓘ
tourist traffic ⓘ |
| spans |
River Dee at Llangollen
ⓘ
linked to:
River Dee (Afon Dyfrdwy)
|
| structureType | truss ⓘ |
| usedBy | heritage railway trains ⓘ |
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: Dee Bridge at Llangollen Description of subject: Dee Bridge at Llangollen is a historic railway bridge carrying the heritage Llangollen Railway across the River Dee in the town of Llangollen, Wales.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.