Afon Crawnon
E652573
Afon Crawnon is a small river in Powys, Wales, that flows through the Brecon Beacons to join the River Usk.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Afon Crawnon canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6590893 — 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: Afon Crawnon Context triple: [River Usk, hasTributary, Afon Crawnon]
-
A.
Afon Taf
Afon Taf is a river in southwest Wales that flows through Carmarthenshire before reaching the sea at Carmarthen Bay.
-
B.
Afon Ogwr
Afon Ogwr is a river in South Wales that flows through Bridgend County Borough before reaching the Bristol Channel.
-
C.
Afon Wnion
Afon Wnion is a river in Gwynedd, northwest Wales, that flows through the Dolgellau area before joining the River Mawddach.
-
D.
Afon Rhymni
Afon Rhymni is a river in South Wales that flows through the Rhymney Valley before reaching the Severn Estuary near Cardiff.
-
E.
Afon Fathew
Afon Fathew is a small river in Gwynedd, Wales, whose scenic valley is closely associated with and followed by the historic Talyllyn narrow-gauge railway.
- 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: Afon Crawnon Target entity description: Afon Crawnon is a small river in Powys, Wales, that flows through the Brecon Beacons to join the River Usk.
-
A.
Afon Taf
Afon Taf is a river in southwest Wales that flows through Carmarthenshire before reaching the sea at Carmarthen Bay.
-
B.
Afon Ogwr
Afon Ogwr is a river in South Wales that flows through Bridgend County Borough before reaching the Bristol Channel.
-
C.
Afon Wnion
Afon Wnion is a river in Gwynedd, northwest Wales, that flows through the Dolgellau area before joining the River Mawddach.
-
D.
Afon Rhymni
Afon Rhymni is a river in South Wales that flows through the Rhymney Valley before reaching the Severn Estuary near Cardiff.
-
E.
Afon Fathew
Afon Fathew is a small river in Gwynedd, Wales, whose scenic valley is closely associated with and followed by the historic Talyllyn narrow-gauge railway.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Wales ⓘ |
| country | Wales ⓘ |
| flowsThrough |
Brecon Beacons National Park
ⓘ
linked to:
Brecon Beacons in Wales
|
| hasNameComponent |
Afon
ⓘ
Crawnon ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Brecon Beacons
ⓘ
linked to:
Brecon Beacons in Wales
Powys ⓘ South Wales ⓘ United Kingdom ⓘ |
| mouthOfWatercourse | River Usk ⓘ |
| partOf | Usk river system ⓘ |
| tributaryOf | River Usk ⓘ |
| watercourseType | small river ⓘ |
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: Afon Crawnon Description of subject: Afon Crawnon is a small river in Powys, Wales, that flows through the Brecon Beacons to join the River Usk.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.