Llanelltyd Bridge
E278938
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Llanelltyd Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2297235 — 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: Llanelltyd Bridge Context triple: [Llanelltyd, hasStructure, Llanelltyd Bridge]
-
A.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
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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.
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C.
Monnow Bridge
Monnow Bridge is a historic medieval stone bridge and gatehouse spanning the River Monnow in Monmouth, Wales, and is one of the last remaining fortified river bridges in Britain.
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D.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
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E.
Ethelfleda Bridge
Ethelfleda Bridge is a historic railway bridge in Runcorn, England, carrying trains across the River Mersey and the Manchester Ship Canal.
- 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: Llanelltyd Bridge Target entity description: Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
-
A.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
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.
Monnow Bridge
Monnow Bridge is a historic medieval stone bridge and gatehouse spanning the River Monnow in Monmouth, Wales, and is one of the last remaining fortified river bridges in Britain.
-
D.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
E.
Ethelfleda Bridge
Ethelfleda Bridge is a historic railway bridge in Runcorn, England, carrying trains across the River Mersey and the Manchester Ship Canal.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
stone arch bridge ⓘ |
| carries | A496 road ⓘ |
| country | Wales ⓘ |
| crosses | River Mawddach ⓘ |
| heritageStatus | historic bridge ⓘ |
| locatedIn |
Gwynedd
ⓘ
Llanelltyd ⓘ United Kingdom ⓘ Wales ⓘ |
| material | stone ⓘ |
| near | village of Llanelltyd ⓘ |
| spans | River Mawddach ⓘ |
| structureType | arch bridge ⓘ |
| usedFor | road traffic ⓘ |
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: Llanelltyd Bridge Description of subject: Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.