Derry City Walls
E427816
Derry City Walls are a remarkably well-preserved 17th-century defensive fortification encircling the historic core of Derry in Northern Ireland, renowned as one of the finest examples of walled cities in Europe.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Derry City Walls canonical | 1 |
| Derry city walls | 1 |
| Londonderry city walls | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4274639 — 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: Derry City Walls Context triple: [Derry, hasLandmark, Derry City Walls]
-
A.
Belfast Castle
Belfast Castle is a 19th-century Scottish baronial-style mansion overlooking Belfast Lough, known as a popular historic attraction and event venue in Northern Ireland.
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B.
Navan Fort
Navan Fort is a major ancient ceremonial and royal site in Northern Ireland, traditionally associated with the kings of Ulster and Irish mythology.
-
C.
Carrickfergus Castle
Carrickfergus Castle is a well-preserved Norman fortress on the northern shore of Belfast Lough in Northern Ireland, notable for its strategic coastal position and long military history.
-
D.
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.
-
E.
St Rule's Tower
St Rule's Tower is a historic medieval church tower in St Andrews, Scotland, renowned as one of the town’s oldest surviving structures and a prominent coastal landmark.
- 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: Derry City Walls Target entity description: Derry City Walls are a remarkably well-preserved 17th-century defensive fortification encircling the historic core of Derry in Northern Ireland, renowned as one of the finest examples of walled cities in Europe.
-
A.
Belfast Castle
Belfast Castle is a 19th-century Scottish baronial-style mansion overlooking Belfast Lough, known as a popular historic attraction and event venue in Northern Ireland.
-
B.
Navan Fort
Navan Fort is a major ancient ceremonial and royal site in Northern Ireland, traditionally associated with the kings of Ulster and Irish mythology.
-
C.
Carrickfergus Castle
Carrickfergus Castle is a well-preserved Norman fortress on the northern shore of Belfast Lough in Northern Ireland, notable for its strategic coastal position and long military history.
-
D.
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.
-
E.
St Rule's Tower
St Rule's Tower is a historic medieval church tower in St Andrews, Scotland, renowned as one of the town’s oldest surviving structures and a prominent coastal landmark.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
city walls
ⓘ
defensive fortification ⓘ tourist attraction ⓘ |
| architecturalStyle | 17th-century military architecture ⓘ |
| builder | The Honourable The Irish Society NERFINISHED ⓘ |
| builtFor | defence of the Plantation city of Londonderry ⓘ |
| condition | well preserved ⓘ |
| constructionEnd | 1619 ⓘ |
| constructionStart | 1613 ⓘ |
| country | United Kingdom ⓘ |
| encircles | historic core of Derry ⓘ |
| hasCannon | Roaring Meg NERFINISHED ⓘ |
| hasPart |
Artillery bastions
ⓘ
Bishop’s Gate NERFINISHED ⓘ Butcher Gate NERFINISHED ⓘ Castle Gate NERFINISHED ⓘ Church Bastion NERFINISHED ⓘ Double Bastion NERFINISHED ⓘ Ferryquay Gate NERFINISHED ⓘ Magazine Gate NERFINISHED ⓘ New Gate NERFINISHED ⓘ Royal Bastion NERFINISHED ⓘ Shipquay Gate NERFINISHED ⓘ cannon emplacements ⓘ parapet walkways ⓘ ramparts ⓘ |
| hasView |
Bogside area of Derry
NERFINISHED
ⓘ
Guildhall Square NERFINISHED ⓘ River Foyle NERFINISHED ⓘ |
| height | up to about 8 metres ⓘ |
| heritageDesignation |
Scheduled Monument
ⓘ
State Care Monument ⓘ |
| inception | early 17th century ⓘ |
| length | approximately 1.5 kilometres ⓘ |
| locatedIn |
County Londonderry
NERFINISHED
ⓘ
Derry NERFINISHED ⓘ Northern Ireland ⓘ United Kingdom ⓘ |
| maintainedBy | Historic Environment Division of the Department for Communities NERFINISHED ⓘ |
| materialUsed | stone ⓘ |
| notableFor |
being among the best-preserved city walls in Europe
ⓘ
encircling the only completely walled city in Ireland ⓘ |
| openToPublic | true ⓘ |
| ownedBy | Department for Communities (Northern Ireland) NERFINISHED ⓘ |
| partOf | historic city of Derry ⓘ |
| significantEvent |
1689 Siege of Derry
NERFINISHED
ⓘ
Siege of Derry NERFINISHED ⓘ |
| thickness | up to about 9 metres ⓘ |
| touristAttraction | yes ⓘ |
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: Derry City Walls Description of subject: Derry City Walls are a remarkably well-preserved 17th-century defensive fortification encircling the historic core of Derry in Northern Ireland, renowned as one of the finest examples of walled cities in Europe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Londonderry city walls
this entity surface form:
Derry city walls