Cwm Oergwm
E545866
Cwm Oergwm is a glacial valley in the Brecon Beacons of Wales, known for its steep sides, remote feel, and scenic mountain surroundings.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cwm Oergwm canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5605221 — 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: Cwm Oergwm Context triple: [Fan y Big, overlooks, Cwm Oergwm]
-
A.
Cwm Cynwyn
Cwm Cynwyn is a secluded glacial valley in the Brecon Beacons of Wales, known for its steep grassy slopes and dramatic mountain scenery.
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B.
Cwm Sere
Cwm Sere is a glacial valley in the Brecon Beacons of Wales, known for its dramatic mountain scenery beneath peaks such as Cribyn and Pen y Fan.
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C.
Cwm
Cwm is a village in the Ebbw Valley in Blaenau Gwent, South Wales, historically associated with coal mining and the South Wales Valleys communities.
-
D.
Nant Cwm-du
Nant Cwm-du is a small Welsh stream that serves as a tributary within the River Ely catchment.
-
E.
Cwm Nantcol
Cwm Nantcol is a scenic valley in Snowdonia, Wales, known for its rugged mountain landscapes, rivers, and walking routes beneath the Rhinogydd range.
- 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: Cwm Oergwm Target entity description: Cwm Oergwm is a glacial valley in the Brecon Beacons of Wales, known for its steep sides, remote feel, and scenic mountain surroundings.
-
A.
Cwm Cynwyn
Cwm Cynwyn is a secluded glacial valley in the Brecon Beacons of Wales, known for its steep grassy slopes and dramatic mountain scenery.
-
B.
Cwm Sere
Cwm Sere is a glacial valley in the Brecon Beacons of Wales, known for its dramatic mountain scenery beneath peaks such as Cribyn and Pen y Fan.
-
C.
Cwm
Cwm is a village in the Ebbw Valley in Blaenau Gwent, South Wales, historically associated with coal mining and the South Wales Valleys communities.
-
D.
Nant Cwm-du
Nant Cwm-du is a small Welsh stream that serves as a tributary within the River Ely catchment.
-
E.
Cwm Nantcol
Cwm Nantcol is a scenic valley in Snowdonia, Wales, known for its rugged mountain landscapes, rivers, and walking routes beneath the Rhinogydd range.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
cwm
ⓘ
glacial valley ⓘ |
| formedBy | glacial erosion ⓘ |
| hasAccessFrom | Talybont-on-Usk area ⓘ |
| hasClimate | cool temperate oceanic ⓘ |
| hasCountry | Wales ⓘ |
| hasEnvironment |
moorland slopes
ⓘ
peaty uplands ⓘ rough grassland ⓘ |
| hasGeomorphologicalType | glacial cirque valley ⓘ |
| hasHydrology | small upland streams ⓘ |
| hasLandscapeType | upland valley ⓘ |
| hasNameLanguage | Welsh ⓘ |
| hasNotableFeature |
U-shaped glacial profile
ⓘ
remote character ⓘ scenic mountain surroundings ⓘ steep valley sides ⓘ |
| hasRecreation | off-path walking ⓘ |
| hasRelativeLocation | east of the main Brecon Beacons escarpment ⓘ |
| hasRemoteness | relatively low visitor numbers compared to main Brecon Beacons summits ⓘ |
| hasTopography |
narrow valley floor
ⓘ
steep headwalls ⓘ |
| hasViewOf | central Brecon Beacons ⓘ |
| isInProtectedArea | Bannau Brycheiniog National Park ⓘ |
| isPopularWith | experienced walkers ⓘ |
| locatedIn |
Bannau Brycheiniog National Park
ⓘ
Brecon Beacons ⓘ
linked to:
Brecon Beacons in Wales
Powys ⓘ United Kingdom ⓘ Wales ⓘ |
| overlookedBy |
Allt Lwyd
ⓘ
Cefn yr Ystrad ⓘ Waun Rydd ⓘ |
| partOf |
Brecon Beacons mountain range
ⓘ
linked to:
Brecon Beacons in Wales
|
| usedFor |
hiking
ⓘ
hillwalking ⓘ mountain walking ⓘ |
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: Cwm Oergwm Description of subject: Cwm Oergwm is a glacial valley in the Brecon Beacons of Wales, known for its steep sides, remote feel, and scenic mountain surroundings.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.