River Glaslyn
E855808
River Glaslyn is a river in Gwynedd, Wales, that flows from the slopes of Snowdon through scenic valleys before reaching the Glaslyn estuary near Porthmadog.
All labels observed (1)
| Label | Occurrences |
|---|---|
| River Glaslyn canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T10313880 — 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 Glaslyn Context triple: [Glaslyn estuary, mouthOfWatercourse, River Glaslyn]
-
A.
River Gowan
River Gowan is a small river in Cumbria, England, that flows through the Lake District and joins the River Kent near Staveley.
-
B.
River Gairn
River Gairn is a Scottish river in Aberdeenshire that flows through the Cairngorms area before joining the River Dee near Ballater.
-
C.
River Feugh
River Feugh is a scenic river in Aberdeenshire, Scotland, known for its salmon leap and picturesque footbridge near Banchory.
-
D.
River Garry
River Garry is a scenic river in Perthshire, Scotland, known for flowing through the Highlands near Blair Atholl and offering popular spots for fishing and outdoor recreation.
-
E.
River Lyvennet
River Lyvennet is a small river in Cumbria, England, flowing through the Eden Valley’s rural landscapes before joining the River Eden.
- 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 Glaslyn Target entity description: River Glaslyn is a river in Gwynedd, Wales, that flows from the slopes of Snowdon through scenic valleys before reaching the Glaslyn estuary near Porthmadog.
-
A.
River Gowan
River Gowan is a small river in Cumbria, England, that flows through the Lake District and joins the River Kent near Staveley.
-
B.
River Gairn
River Gairn is a Scottish river in Aberdeenshire that flows through the Cairngorms area before joining the River Dee near Ballater.
-
C.
River Feugh
River Feugh is a scenic river in Aberdeenshire, Scotland, known for its salmon leap and picturesque footbridge near Banchory.
-
D.
River Garry
River Garry is a scenic river in Perthshire, Scotland, known for flowing through the Highlands near Blair Atholl and offering popular spots for fishing and outdoor recreation.
-
E.
River Lyvennet
River Lyvennet is a small river in Cumbria, England, flowing through the Eden Valley’s rural landscapes before joining the River Eden.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith | Snowdon ⓘ |
| country | Wales ⓘ |
| drainageBasin |
Cardigan Bay basin
ⓘ
linked to:
Cardigan Bay
|
| ecoregion | temperate maritime climate zone ⓘ |
| emptiesInto | Cardigan Bay ⓘ |
| flowsDirection | generally south-west ⓘ |
| flowsThrough |
Aberglaslyn Pass
ⓘ
Beddgelert ⓘ Snowdonia ⓘ Tremadog Bay area ⓘ |
| hasBridge | Pont Aberglaslyn ⓘ |
| hasEstuary | Glaslyn estuary ⓘ |
| hasFloodplain | low-lying land near Porthmadog ⓘ |
| hasTributary |
Afon Colwyn
ⓘ
linked to:
River Colwyn
Afon Nanmor ⓘ |
| hasValley |
Glaslyn Valley
ⓘ
linked to:
Glaslyn valley
|
| hasWildlife |
otters
ⓘ
salmon ⓘ sea trout ⓘ |
| influences | Porthmadog harbour siltation ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia National Park ⓘ
linked to:
Snowdonia
|
| mouthLocation | Glaslyn estuary ⓘ |
| nameMeaning | blue lake ⓘ |
| near |
Beddgelert Forest
ⓘ
linked to:
Gwydir Forest Park
Harlech Bay ⓘ Porthmadog ⓘ Porthmadog Cob ⓘ |
| notableFeature |
narrow gorge at Aberglaslyn Pass
ⓘ
scenic valley landscapes ⓘ |
| partOf | Snowdonia National Park hydrology ⓘ |
| passesNear |
Llanfrothen
ⓘ
Llyn Dinas ⓘ Prenteg ⓘ |
| passesThrough | Llyn Glaslyn ⓘ |
| region | North Wales ⓘ |
| sourceLocation | slopes of Snowdon ⓘ |
| tourismAttraction |
Aberglaslyn Pass walking trails
ⓘ
riverside paths near Beddgelert ⓘ |
| usedFor |
angling
ⓘ
canoeing ⓘ recreation ⓘ |
| waterBodyType | freshwater 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: River Glaslyn Description of subject: River Glaslyn is a river in Gwynedd, Wales, that flows from the slopes of Snowdon through scenic valleys before reaching the Glaslyn estuary near Porthmadog.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.