Mourne Wall
E399509
The Mourne Wall is a historic dry-stone wall in the Mourne Mountains of Northern Ireland, built in the early 20th century to enclose and protect the catchment area for the Silent Valley Reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mourne Wall canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3939824 — 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: Mourne Wall Context triple: [Slieve Donard, summitFeature, Mourne Wall]
-
A.
Gougane Barra
Gougane Barra is a scenic valley and lake in West Cork, Ireland, famed for its forest park, early Christian monastic site, and picturesque lakeside oratory.
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B.
Howth Head
Howth Head is a prominent peninsula and scenic headland on the north side of Dublin Bay, known for its coastal cliffs, hiking trails, and views over Dublin and the Irish Sea.
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C.
Slieve Croob
Slieve Croob is a prominent hill in County Down, Northern Ireland, known for its panoramic views and significance in local geography and folklore.
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D.
Slieve Donard
Slieve Donard is a prominent mountain in the Mourne Mountains range, renowned for its scenic hiking trails and panoramic views over County Down and the Irish Sea.
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E.
Giant's Causeway
Giant's Causeway is a famous natural rock formation on the coast of Northern Ireland, renowned for its thousands of interlocking basalt columns formed by ancient volcanic activity.
- 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: Mourne Wall Target entity description: The Mourne Wall is a historic dry-stone wall in the Mourne Mountains of Northern Ireland, built in the early 20th century to enclose and protect the catchment area for the Silent Valley Reservoir.
-
A.
Gougane Barra
Gougane Barra is a scenic valley and lake in West Cork, Ireland, famed for its forest park, early Christian monastic site, and picturesque lakeside oratory.
-
B.
Howth Head
Howth Head is a prominent peninsula and scenic headland on the north side of Dublin Bay, known for its coastal cliffs, hiking trails, and views over Dublin and the Irish Sea.
-
C.
Slieve Croob
Slieve Croob is a prominent hill in County Down, Northern Ireland, known for its panoramic views and significance in local geography and folklore.
-
D.
Slieve Donard
Slieve Donard is a prominent mountain in the Mourne Mountains range, renowned for its scenic hiking trails and panoramic views over County Down and the Irish Sea.
-
E.
Giant's Causeway
Giant's Causeway is a famous natural rock formation on the coast of Northern Ireland, renowned for its thousands of interlocking basalt columns formed by ancient volcanic activity.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dry-stone wall
ⓘ
historic structure ⓘ tourist attraction ⓘ |
| builtBy | Belfast Water Commissioners ⓘ |
| builtFor | Belfast Corporation ⓘ |
| builtInPeriod | early 20th century ⓘ |
| constructionEnd | 1922 ⓘ |
| constructionMethod | dry stone ⓘ |
| constructionStart | 1904 ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Slieve Bearnagh
ⓘ
Slieve Binnian ⓘ Slieve Commedagh ⓘ Slieve Donard ⓘ Slieve Meelbeg ⓘ Slieve Meelmore ⓘ Slieve Muck ⓘ Slieve Binnian ⓘ
surface form:
Slievenaglogh
|
| encloses |
Silent Valley Reservoir catchment area
ⓘ
Silent Valley and Annalong Valley catchments ⓘ |
| featureOf | Mourne Area of Outstanding Natural Beauty ⓘ |
| hasCulturalSignificance | symbol of the Mourne Mountains landscape ⓘ |
| hasSectionShape | roughly circular around main Mourne peaks ⓘ |
| hasStyle | traditional Irish dry-stone construction ⓘ |
| heritageStatus | listed structure in Northern Ireland ⓘ |
| highestPoint | near summit of Slieve Donard ⓘ |
| historicalFunction |
to mark the boundary of the water board estate
ⓘ
to prevent livestock entering the water catchment ⓘ |
| length |
approximately 22 miles
ⓘ
approximately 35 kilometres ⓘ |
| locatedIn |
County Down
ⓘ
Mourne Mountains ⓘ Northern Ireland ⓘ United Kingdom ⓘ |
| maintainedBy | Northern Ireland Water ⓘ |
| material | stone ⓘ |
| mountainRange | Mourne Mountains ⓘ |
| near |
Silent Valley Mountain Park
ⓘ
Silent Valley Reservoir ⓘ |
| notableFor |
engineering achievement in remote mountain terrain
ⓘ
length and continuity across multiple mountain summits ⓘ |
| partOf |
Northern Ireland Water
ⓘ
surface form:
Belfast water supply infrastructure
|
| purpose |
to enclose the catchment area for the Silent Valley Reservoir
ⓘ
to protect the water supply for Belfast ⓘ |
| tourismActivity | Mourne Wall walk ⓘ |
| usedFor |
hiking route
ⓘ
navigation aid in the Mourne Mountains ⓘ |
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: Mourne Wall Description of subject: The Mourne Wall is a historic dry-stone wall in the Mourne Mountains of Northern Ireland, built in the early 20th century to enclose and protect the catchment area for the Silent Valley Reservoir.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.