Caerphilly Castle
E118650
Caerphilly Castle is a large 13th-century medieval fortress in South Wales, renowned for its extensive water defenses and status as one of the biggest castles in Britain.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Caerphilly Castle canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T979867 — 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: Caerphilly Castle Context triple: [Caerphilly County Borough, contains, Caerphilly Castle]
-
A.
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.
-
B.
Chepstow Castle
Chepstow Castle is a historic Norman fortress in Monmouthshire, Wales, renowned as one of the earliest stone-built castles in Britain and dramatically overlooking the River Wye.
-
C.
Cardiff Castle
Cardiff Castle is a historic medieval and Victorian-era fortress and mansion located in the heart of Cardiff, Wales, known for its Roman origins and ornate Gothic Revival architecture.
-
D.
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.
-
E.
Dolwyddelan Castle
Dolwyddelan Castle is a medieval Welsh fortress in Snowdonia, traditionally associated with the native prince Llywelyn the Great and commanding a strategic mountain pass.
- 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: Caerphilly Castle Target entity description: Caerphilly Castle is a large 13th-century medieval fortress in South Wales, renowned for its extensive water defenses and status as one of the biggest castles in Britain.
-
A.
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.
-
B.
Chepstow Castle
Chepstow Castle is a historic Norman fortress in Monmouthshire, Wales, renowned as one of the earliest stone-built castles in Britain and dramatically overlooking the River Wye.
-
C.
Cardiff Castle
Cardiff Castle is a historic medieval and Victorian-era fortress and mansion located in the heart of Cardiff, Wales, known for its Roman origins and ornate Gothic Revival architecture.
-
D.
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.
-
E.
Dolwyddelan Castle
Dolwyddelan Castle is a medieval Welsh fortress in Snowdonia, traditionally associated with the native prince Llywelyn the Great and commanding a strategic mountain pass.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fortified castle
ⓘ
medieval castle ⓘ tourist attraction ⓘ |
| architecturalStyle | medieval military architecture ⓘ |
| areaRank | second-largest castle in Britain by area after Windsor Castle ⓘ |
| builder |
Gilbert de Clare, Earl of Gloucester
ⓘ
surface form:
Gilbert de Clare, 7th Earl of Gloucester
|
| builtBy |
Gilbert de Clare, Earl of Gloucester
ⓘ
surface form:
Gilbert de Clare
|
| builtToControl |
Glamorgan
ⓘ
surface form:
Glamorgan region
|
| category |
Castles in Caerphilly County Borough
ⓘ
Grade I listed castles in Wales ⓘ Tourist attractions in Caerphilly County Borough ⓘ |
| conflictContext | Anglo-Welsh conflicts of the 13th century ⓘ |
| constructedInCentury | 13th century ⓘ |
| constructionStartDate | 1268 ⓘ |
| country | Wales ⓘ |
| distanceFromCardiff | approximately 7.5 miles north of Cardiff ⓘ |
| hasMaterial | stone ⓘ |
| hasPart |
curtain walls
ⓘ
gatehouses ⓘ inner ward ⓘ outer ward ⓘ towers ⓘ |
| hasStructureType | concentric castle ⓘ |
| hasVisitorCentre | true ⓘ |
| heritageDesignation |
Grade I listed building
ⓘ
Scheduled Monument ⓘ |
| historicalEra | High Middle Ages ⓘ |
| knownFor |
being one of the largest castles in Britain
ⓘ
extensive water defences ⓘ |
| locatedIn |
South Wales
ⓘ
United Kingdom ⓘ Wales ⓘ |
| location | Caerphilly ⓘ |
| managedBy | Cadw ⓘ |
| near | Caerphilly town centre ⓘ |
| notableFeature |
artificial lakes
ⓘ
concentric defensive design ⓘ extensive water defences ⓘ leaning south-east tower ⓘ massive gatehouses ⓘ |
| openToPublic | true ⓘ |
| owner | Welsh Government ⓘ |
| primaryFunction | military stronghold ⓘ |
| region | South Wales ⓘ |
| surroundedBy |
artificial lakes
ⓘ
moats ⓘ |
| usedFor |
filming location
ⓘ
tourism ⓘ |
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: Caerphilly Castle Description of subject: Caerphilly Castle is a large 13th-century medieval fortress in South Wales, renowned for its extensive water defenses and status as one of the biggest castles in Britain.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.