Caernarfon town walls
E703533
Caernarfon town walls are a well-preserved medieval defensive fortification encircling the historic town of Caernarfon in Gwynedd, Wales, built under King Edward I as part of his conquest of Wales.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Caernarfon town walls canonical | 5 |
| Caernarfon town defences | 1 |
| town walls of Caernarfon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7819468 — 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: Caernarfon town walls Context triple: [Caernarfon, Gwynedd, hasTownWalls, Caernarfon town walls]
-
A.
Conwy town walls
Conwy town walls are a remarkably well-preserved medieval defensive wall system encircling the town of Conwy in North Wales, recognized as part of a UNESCO World Heritage Site.
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B.
Caernarfon Castle
Caernarfon Castle is a massive medieval fortress in Caernarfon, Wales, famed for its polygonal towers and role as a symbol of English rule over Wales.
-
C.
Conwy Castle
Conwy Castle is a 13th-century medieval fortress in North Wales, renowned for its imposing walls and towers and its role in Edward I’s conquest of Wales.
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D.
Tenby town walls
Tenby town walls are a well-preserved medieval defensive fortification encircling much of the historic seaside town of Tenby in Pembrokeshire, Wales.
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E.
Penrhyn Castle
Penrhyn Castle is a 19th-century neo-Norman country house in North Wales, renowned for its grand architecture, extensive art collection, and role in the region’s slate industry history.
- 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: Caernarfon town walls Target entity description: Caernarfon town walls are a well-preserved medieval defensive fortification encircling the historic town of Caernarfon in Gwynedd, Wales, built under King Edward I as part of his conquest of Wales.
-
A.
Conwy town walls
Conwy town walls are a remarkably well-preserved medieval defensive wall system encircling the town of Conwy in North Wales, recognized as part of a UNESCO World Heritage Site.
-
B.
Caernarfon Castle
Caernarfon Castle is a massive medieval fortress in Caernarfon, Wales, famed for its polygonal towers and role as a symbol of English rule over Wales.
-
C.
Conwy Castle
Conwy Castle is a 13th-century medieval fortress in North Wales, renowned for its imposing walls and towers and its role in Edward I’s conquest of Wales.
-
D.
Tenby town walls
Tenby town walls are a well-preserved medieval defensive fortification encircling much of the historic seaside town of Tenby in Pembrokeshire, Wales.
-
E.
Penrhyn Castle
Penrhyn Castle is a 19th-century neo-Norman country house in North Wales, renowned for its grand architecture, extensive art collection, and role in the region’s slate industry history.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
defensive fortification
ⓘ
medieval town walls ⓘ scheduled monument ⓘ tourist attraction ⓘ |
| architecturalStyle | medieval military architecture ⓘ |
| builtFor | Edward I of England ⓘ |
| constructedAsPartOf |
Edward I's conquest of Wales
ⓘ
linked to:
Edwardian Conquest of Wales
Edwardian castle-building programme in North Wales ⓘ |
| coordinateLocation |
approximate latitude 53.139°N
ⓘ
approximate longitude 4.276°W ⓘ |
| country | United Kingdom ⓘ |
| currentUse |
heritage site
ⓘ
tourism ⓘ |
| era | High Middle Ages ⓘ |
| function |
control of local population
ⓘ
defence of the medieval borough ⓘ symbol of English royal authority in Wales ⓘ |
| hasPart |
East Gate
ⓘ
King's Gate ⓘ North Gate ⓘ West Gate ⓘ curtain walls ⓘ gateways ⓘ towers ⓘ water gate ⓘ |
| heritageDesignation |
Grade I listed building
ⓘ
Scheduled Ancient Monument ⓘ UNESCO World Heritage Site ⓘ |
| inception | late 13th century ⓘ |
| locatedIn |
Caernarfon
ⓘ
linked to:
Caernarfon, Gwynedd
Gwynedd ⓘ Wales ⓘ |
| locatedInTimeZone | Europe/London ⓘ |
| maintainedBy | Cadw ⓘ |
| materialUsed | stone ⓘ |
| nearby | Caernarfon Castle ⓘ |
| openToPublic | true ⓘ |
| owner |
Crown Estate (on behalf of the British monarch)
ⓘ
linked to:
Crown Estate
|
| partOf |
Caernarfon town defences
ⓘ
linked to:
Caernarfon town walls
Castles and Town Walls of King Edward in Gwynedd ⓘ Edwardian fortifications in Wales ⓘ |
| region | North Wales ⓘ |
| significance | one of the best-preserved medieval town walls in Britain ⓘ |
| surroundedBy |
Menai Strait (nearby coastal waters)
ⓘ
linked to:
Menai Strait
|
| surrounds | historic town of Caernarfon ⓘ |
| usedFor |
controlling access to the town
ⓘ
urban defence ⓘ |
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: Caernarfon town walls Description of subject: Caernarfon town walls are a well-preserved medieval defensive fortification encircling the historic town of Caernarfon in Gwynedd, Wales, built under King Edward I as part of his conquest of Wales.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Caernarfon town walls
linked to: Caernarfon town walls