Swansea Castle
E111495
Swansea Castle is a medieval ruined fortress in the center of Swansea, Wales, that once served as a key Norman stronghold overlooking the River Tawe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Swansea Castle canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T893219 — 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: Swansea Castle Context triple: [Swansea, hasLandmark, Swansea Castle]
-
A.
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.
-
B.
Pembroke Castle
Pembroke Castle is a large medieval fortress in Pembrokeshire, Wales, notable as one of the best-preserved Norman castles in Britain and for its strong historical associations with the Tudor dynasty.
-
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.
Beaumaris Castle
Beaumaris Castle is a late 13th-century concentric medieval fortress on the Isle of Anglesey in Wales, renowned for its symmetrical design and status as part of the UNESCO-listed "Castles and Town Walls of King Edward in Gwynedd."
-
E.
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.
- 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: Swansea Castle Target entity description: Swansea Castle is a medieval ruined fortress in the center of Swansea, Wales, that once served as a key Norman stronghold overlooking the River Tawe.
-
A.
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.
-
B.
Pembroke Castle
Pembroke Castle is a large medieval fortress in Pembrokeshire, Wales, notable as one of the best-preserved Norman castles in Britain and for its strong historical associations with the Tudor dynasty.
-
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.
Beaumaris Castle
Beaumaris Castle is a late 13th-century concentric medieval fortress on the Isle of Anglesey in Wales, renowned for its symmetrical design and status as part of the UNESCO-listed "Castles and Town Walls of King Edward in Gwynedd."
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
medieval castle
ⓘ
ruined fortress ⓘ scheduled monument ⓘ tourist attraction ⓘ |
| architecturalStyle | Norman military architecture ⓘ |
| builder | Normans ⓘ |
| builtAfter |
Norman conquest of south-west Wales
ⓘ
surface form:
Norman conquest of Gower
|
| category |
Castles in Swansea
ⓘ
Ruined castles in Wales ⓘ Scheduled monuments in Swansea ⓘ |
| constructionStart | early 12th century ⓘ |
| controlledAccessTo |
River Tawe
ⓘ
Swansea Bay ⓘ |
| coordinates | 51.620°N 3.940°W ⓘ |
| country | Wales ⓘ |
| currentCondition | ruin ⓘ |
| foundedBy | Henry de Beaumont, 1st Earl of Warwick ⓘ |
| hasPart |
curtain walls
ⓘ
inner bailey ⓘ outer bailey ⓘ towers ⓘ |
| heritageDesignation |
Grade I listed building
ⓘ
Scheduled monument ⓘ |
| locatedIn |
Swansea
ⓘ
Swansea ⓘ
surface form:
Swansea city centre
|
| locatedInAdministrativeTerritory | City and County of Swansea ⓘ |
| locatedInCountry | United Kingdom ⓘ |
| locatedInHistoricRegion |
Gower
ⓘ
surface form:
Gower Lordship
|
| locatedInRegion | South Wales ⓘ |
| locatedNear |
Castle Square, Swansea
ⓘ
Swansea Market ⓘ Wind Street, Swansea ⓘ |
| locatedOn | north bank of the River Tawe ⓘ |
| materialUsed | stone ⓘ |
| nearbyWaterBody | River Tawe ⓘ |
| openToPublic | yes ⓘ |
| originalFunction |
administrative centre
ⓘ
military stronghold ⓘ residence of the lord of Gower ⓘ |
| overlooks | River Tawe ⓘ |
| ownedBy |
Swansea Council
ⓘ
surface form:
City and County of Swansea Council
|
| partOf |
Norman conquest of south-west Wales
ⓘ
surface form:
Norman defensive network in South Wales
|
| regionServed |
West Glamorgan
ⓘ
surface form:
Swansea and Gower
|
| significantPeriod | Middle Ages ⓘ |
| subjectOf |
archaeological investigations
ⓘ
conservation projects ⓘ |
| usedAs |
administrative headquarters
ⓘ
defensive fortress ⓘ symbol of Norman authority ⓘ |
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: Swansea Castle Description of subject: Swansea Castle is a medieval ruined fortress in the center of Swansea, Wales, that once served as a key Norman stronghold overlooking the River Tawe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.