Ystradgynlais
E287738
Ystradgynlais is a town in southwest Powys, Wales, situated in the upper Swansea Valley near the Brecon Beacons.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ystradgynlais canonical | 14 |
| Ystradgynlais (part) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2087103 — 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: Ystradgynlais Context triple: [Powys, containsSettlement, Ystradgynlais]
-
A.
Ystrad Mynach
Ystrad Mynach is a town in south Wales known as a local administrative and commercial centre within the Caerphilly area.
-
B.
Prestatyn
Prestatyn is a seaside town in Denbighshire, North Wales, known for its sandy beaches, coastal tourism, and position near the Irish Sea.
-
C.
Llantrisant
Llantrisant is a historic Welsh town known for its medieval heritage and hilltop setting in South Wales.
-
D.
Llanfyllin
Llanfyllin is a small historic market town in Powys, Wales, known for its rural setting near the Berwyn Mountains and its traditional Welsh character.
-
E.
Bodelwyddan
Bodelwyddan is a village in Denbighshire, North Wales, known for its strategic location near the A55 and landmarks such as Bodelwyddan Castle.
- 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: Ystradgynlais Target entity description: Ystradgynlais is a town in southwest Powys, Wales, situated in the upper Swansea Valley near the Brecon Beacons.
-
A.
Ystrad Mynach
Ystrad Mynach is a town in south Wales known as a local administrative and commercial centre within the Caerphilly area.
-
B.
Prestatyn
Prestatyn is a seaside town in Denbighshire, North Wales, known for its sandy beaches, coastal tourism, and position near the Irish Sea.
-
C.
Llantrisant
Llantrisant is a historic Welsh town known for its medieval heritage and hilltop setting in South Wales.
-
D.
Llanfyllin
Llanfyllin is a small historic market town in Powys, Wales, known for its rural setting near the Berwyn Mountains and its traditional Welsh character.
-
E.
Bodelwyddan
Bodelwyddan is a village in Denbighshire, North Wales, known for its strategic location near the A55 and landmarks such as Bodelwyddan Castle.
- F. None of above. chosen
Statements (48)
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: Ystradgynlais Description of subject: Ystradgynlais is a town in southwest Powys, Wales, situated in the upper Swansea Valley near the Brecon Beacons.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.