Mynydd Perfedd
E861311
Mynydd Perfedd is a mountain in the Glyderau range of Snowdonia, North Wales, popular with hikers for its scenic ridges and views over nearby valleys and lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mynydd Perfedd canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10270730 — 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: Mynydd Perfedd Context triple: [Glyderau, hasPeak, Mynydd Perfedd]
-
A.
Mynydd Twr
Mynydd Twr is the Welsh name for Holyhead Mountain, the prominent hill overlooking the town of Holyhead on the island of Anglesey in northwest Wales.
-
B.
Caerphilly Mountain
Caerphilly Mountain is a prominent hill in South Wales known for its scenic views, walking trails, and proximity to the town of Caerphilly.
-
C.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
-
D.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
E.
Moel Ysgyfarnogod
Moel Ysgyfarnogod is a mountain in the Rhinogydd range of Snowdonia, north Wales, known for its rugged terrain and panoramic views.
- 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: Mynydd Perfedd Target entity description: Mynydd Perfedd is a mountain in the Glyderau range of Snowdonia, North Wales, popular with hikers for its scenic ridges and views over nearby valleys and lakes.
-
A.
Mynydd Twr
Mynydd Twr is the Welsh name for Holyhead Mountain, the prominent hill overlooking the town of Holyhead on the island of Anglesey in northwest Wales.
-
B.
Caerphilly Mountain
Caerphilly Mountain is a prominent hill in South Wales known for its scenic views, walking trails, and proximity to the town of Caerphilly.
-
C.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
-
D.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
E.
Moel Ysgyfarnogod
Moel Ysgyfarnogod is a mountain in the Rhinogydd range of Snowdonia, north Wales, known for its rugged terrain and panoramic views.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | mountain ⓘ |
| category |
Hiking destinations in Wales
ⓘ
Mountains and hills of Gwynedd ⓘ Mountains of Snowdonia ⓘ |
| country | Wales ⓘ |
| hasFeature | scenic ridges ⓘ |
| hasViewOf |
nearby lakes
ⓘ
nearby valleys ⓘ |
| isIn | Eryri ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Glyderau
ⓘ
Gwynedd ⓘ North Wales ⓘ Snowdonia ⓘ United Kingdom ⓘ Wales ⓘ |
| mountainRange | Glyderau ⓘ |
| nameMeaning | Perfect mountain ⓘ |
| nationalPark |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| partOf |
Glyderau
ⓘ
Snowdonia ⓘ |
| popularFor |
hiking
ⓘ
hillwalking ⓘ |
| region | North Wales ⓘ |
| terrain |
mountainous
ⓘ
rocky ⓘ |
| usedFor | recreational 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: Mynydd Perfedd Description of subject: Mynydd Perfedd is a mountain in the Glyderau range of Snowdonia, North Wales, popular with hikers for its scenic ridges and views over nearby valleys and lakes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.