River Ogwen
E916030
River Ogwen is a river in Gwynedd, north-west Wales, known for flowing from the Snowdonia mountains to the sea near Bangor and for its scenic gorges and waterfalls.
All labels observed (1)
| Label | Occurrences |
|---|---|
| River Ogwen canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11260188 — 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: River Ogwen Context triple: [Bethesda, Gwynedd, nearbyFeature, River Ogwen]
-
A.
Ornain River
The Ornain River is a tributary waterway in northeastern France that feeds into the Meuse River and flows through the Grand Est region.
-
B.
River Lowther
River Lowther is a river in Cumbria, England, that flows through the Eden Valley and is known for its scenic rural landscapes and historic bridges.
-
C.
River Banwy
River Banwy is a river in Powys, mid Wales, that flows through rural valleys before joining the River Vyrnwy.
-
D.
River Clywedog
River Clywedog is a small river in Wrexham County Borough, Wales, historically associated with local industry and the village of Bersham.
-
E.
River Gowan
River Gowan is a small river in Cumbria, England, that flows through the Lake District and joins the River Kent near Staveley.
- 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: River Ogwen Target entity description: River Ogwen is a river in Gwynedd, north-west Wales, known for flowing from the Snowdonia mountains to the sea near Bangor and for its scenic gorges and waterfalls.
-
A.
Ornain River
The Ornain River is a tributary waterway in northeastern France that feeds into the Meuse River and flows through the Grand Est region.
-
B.
River Lowther
River Lowther is a river in Cumbria, England, that flows through the Eden Valley and is known for its scenic rural landscapes and historic bridges.
-
C.
River Banwy
River Banwy is a river in Powys, mid Wales, that flows through rural valleys before joining the River Vyrnwy.
-
D.
River Clywedog
River Clywedog is a small river in Wrexham County Borough, Wales, historically associated with local industry and the village of Bersham.
-
E.
River Gowan
River Gowan is a small river in Cumbria, England, that flows through the Lake District and joins the River Kent near Staveley.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| administrativeRegion | County of Gwynedd NERFINISHED ⓘ |
| country | Wales ⓘ |
| crossedBy |
A5 road
NERFINISHED
ⓘ
A55 road NERFINISHED ⓘ |
| drainageBasin | Irish Sea NERFINISHED ⓘ |
| flowsDirection | generally northwards ⓘ |
| flowsFrom | Llyn Ogwen NERFINISHED ⓘ |
| flowsInto | Menai Strait NERFINISHED ⓘ |
| flowsThrough |
Bethesda
NERFINISHED
ⓘ
Ogwen Valley NERFINISHED ⓘ |
| geologicalSetting | glacial valley ⓘ |
| hasEcosystem | upland river habitat ⓘ |
| hasFeature |
narrow gorge sections
ⓘ
steep gradient sections ⓘ |
| hasRecreationSite |
Ogwen Bank
NERFINISHED
ⓘ
Ogwen riverside walks ⓘ |
| hasTributary |
Afon Caseg
NERFINISHED
ⓘ
Afon Denau NERFINISHED ⓘ Afon Llafar NERFINISHED ⓘ |
| hasWaterfall | Ogwen Falls NERFINISHED ⓘ |
| hasWelshName | Afon Ogwen NERFINISHED ⓘ |
| knownFor |
rocky river gorge near Bethesda
ⓘ
scenic gorges ⓘ waterfalls ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Gwynedd
NERFINISHED
ⓘ
north-west Wales NERFINISHED ⓘ |
| locatedNear |
Carneddau mountains
NERFINISHED
ⓘ
Glyderau mountains NERFINISHED ⓘ |
| mouthLocation |
Afon Menai
NERFINISHED
ⓘ
near Bangor ⓘ |
| near |
Bangor
NERFINISHED
ⓘ
Bethesda NERFINISHED ⓘ |
| nearProtectedArea | Snowdonia National Park NERFINISHED ⓘ |
| partOf | Ogwen Valley catchment NERFINISHED ⓘ |
| region | Snowdonia NERFINISHED ⓘ |
| sourceLocation | Snowdonia NERFINISHED ⓘ |
| sourceRegion | Snowdonia National Park NERFINISHED ⓘ |
| supportsSpecies |
salmon
ⓘ
trout ⓘ |
| usedFor |
angling
ⓘ
canoeing ⓘ kayaking ⓘ |
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: River Ogwen Description of subject: River Ogwen is a river in Gwynedd, north-west Wales, known for flowing from the Snowdonia mountains to the sea near Bangor and for its scenic gorges and waterfalls.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Bethesda, Gwynedd