Afon y Bala
E875026
Afon y Bala is a short river in Gwynedd, Wales, that serves as one of the main watercourses feeding the glacial lake Llyn Padarn near Llanberis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Afon y Bala canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10400077 — 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 y Bala Context triple: [Llyn Padarn, hasInflow, Afon y Bala]
-
A.
Afon Gafr
Afon Gafr is a small mountain stream in Snowdonia, Wales, flowing through the rugged landscape around the Llanberis Pass.
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B.
Afon Taf
Afon Taf is a river in southwest Wales that flows through Carmarthenshire before reaching the sea at Carmarthen Bay.
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C.
Afon Dwyfor
Afon Dwyfor is a river in Gwynedd, Wales, that flows through the village of Llanystumdwy before reaching the sea near Criccieth.
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D.
Afon Lliw
Afon Lliw is a river in Wales that flows through the countryside of Gwynedd before reaching Llyn Tegid (Bala Lake).
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E.
Afon Castell
Afon Castell is a small river in Ceredigion, Wales, that feeds into the River Rheidol within the scenic Cambrian Mountains region.
- 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 y Bala Target entity description: Afon y Bala is a short river in Gwynedd, Wales, that serves as one of the main watercourses feeding the glacial lake Llyn Padarn near Llanberis.
-
A.
Afon Gafr
Afon Gafr is a small mountain stream in Snowdonia, Wales, flowing through the rugged landscape around the Llanberis Pass.
-
B.
Afon Taf
Afon Taf is a river in southwest Wales that flows through Carmarthenshire before reaching the sea at Carmarthen Bay.
-
C.
Afon Dwyfor
Afon Dwyfor is a river in Gwynedd, Wales, that flows through the village of Llanystumdwy before reaching the sea near Criccieth.
-
D.
Afon Lliw
Afon Lliw is a river in Wales that flows through the countryside of Gwynedd before reaching Llyn Tegid (Bala Lake).
-
E.
Afon Castell
Afon Castell is a small river in Ceredigion, Wales, that feeds into the River Rheidol within the scenic Cambrian Mountains region.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| administrativeTerritory | Gwynedd Council area NERFINISHED ⓘ |
| country | Wales ⓘ |
| drainageBasin | Llyn Padarn basin NERFINISHED ⓘ |
| flowsInto | Llyn Padarn NERFINISHED ⓘ |
| hasApproximateLength | short river ⓘ |
| hasGeographicFeatureType | freshwater stream ⓘ |
| hasMouthAt | Llyn Padarn NERFINISHED ⓘ |
| hasNearbyLake | Llyn Padarn NERFINISHED ⓘ |
| hasNearbySettlement | Llanberis NERFINISHED ⓘ |
| hydrologicalRegion | Llyn Padarn catchment ⓘ |
| isOneOfMainInflowRiversOf | Llyn Padarn NERFINISHED ⓘ |
| isTributaryOf | Llyn Padarn NERFINISHED ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Gwynedd
NERFINISHED
ⓘ
north-west Wales NERFINISHED ⓘ |
| locatedInProtectedArea | Snowdonia region NERFINISHED ⓘ |
| locatedNear | Llanberis NERFINISHED ⓘ |
| locatedOnContinent | Europe ⓘ |
| nameScript | Latin alphabet ⓘ |
| partOf | River Seiont system ⓘ |
| region | Eryri (Snowdonia) NERFINISHED ⓘ |
| usedFor | local drainage ⓘ |
| waterBodyTypeFed | glacial lake ⓘ |
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 y Bala Description of subject: Afon y Bala is a short river in Gwynedd, Wales, that serves as one of the main watercourses feeding the glacial lake Llyn Padarn near Llanberis.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.