River Ystwyth estuary
E816771
The River Ystwyth estuary is the tidal mouth of the River Ystwyth on the west coast of Wales, where the river meets Cardigan Bay near the town of Aberystwyth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| River Ystwyth estuary canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9664718 — 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 Ystwyth estuary Context triple: [Pen Dinas, hasViewOf, River Ystwyth estuary]
-
A.
Dwyryd Estuary
The Dwyryd Estuary is a scenic tidal estuary in Gwynedd, Wales, known for its striking coastal landscape and for bordering the Italianate village of Portmeirion.
-
B.
Gwendraeth estuary
The Gwendraeth estuary is a tidal river mouth in Carmarthenshire, Wales, where the Gwendraeth Fawr and Gwendraeth Fach rivers meet the sea near the town of Kidwelly.
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C.
Cleddau Estuary
The Cleddau Estuary is a tidal waterway in Pembrokeshire, Wales, where the Eastern and Western Cleddau rivers meet before opening into Milford Haven Waterway.
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D.
Mawddach Estuary
The Mawddach Estuary is a scenic tidal estuary in northwest Wales known for its sweeping views, rich wildlife, and popular walking and cycling trails near the town of Barmouth.
-
E.
Conwy estuary
The Conwy estuary is a scenic tidal inlet in north Wales where the River Conwy meets the Irish Sea, known for its historic waterfront, wildlife-rich mudflats, and views framed by medieval Conwy and its 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: River Ystwyth estuary Target entity description: The River Ystwyth estuary is the tidal mouth of the River Ystwyth on the west coast of Wales, where the river meets Cardigan Bay near the town of Aberystwyth.
-
A.
Dwyryd Estuary
The Dwyryd Estuary is a scenic tidal estuary in Gwynedd, Wales, known for its striking coastal landscape and for bordering the Italianate village of Portmeirion.
-
B.
Gwendraeth estuary
The Gwendraeth estuary is a tidal river mouth in Carmarthenshire, Wales, where the Gwendraeth Fawr and Gwendraeth Fach rivers meet the sea near the town of Kidwelly.
-
C.
Cleddau Estuary
The Cleddau Estuary is a tidal waterway in Pembrokeshire, Wales, where the Eastern and Western Cleddau rivers meet before opening into Milford Haven Waterway.
-
D.
Mawddach Estuary
The Mawddach Estuary is a scenic tidal estuary in northwest Wales known for its sweeping views, rich wildlife, and popular walking and cycling trails near the town of Barmouth.
-
E.
Conwy estuary
The Conwy estuary is a scenic tidal inlet in north Wales where the River Conwy meets the Irish Sea, known for its historic waterfront, wildlife-rich mudflats, and views framed by medieval Conwy and its castle.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | estuary ⓘ |
| adjacentTo | Aberystwyth seafront NERFINISHED ⓘ |
| coastType | open bay coast ⓘ |
| country | Wales ⓘ |
| drainageBasin | River Ystwyth catchment ⓘ |
| emptiesInto | Cardigan Bay NERFINISHED ⓘ |
| environmentType | coastal estuarine environment ⓘ |
| flowsPast | Aberystwyth NERFINISHED ⓘ |
| hasNameOrigin | River Ystwyth NERFINISHED ⓘ |
| hasNearbySettlement | Aberystwyth NERFINISHED ⓘ |
| hasTidalCharacteristic | semi-diurnal tides ⓘ |
| hasTidalInfluenceFrom | Cardigan Bay NERFINISHED ⓘ |
| hydrologicalSystem | River Ystwyth system ⓘ |
| locatedIn |
Ceredigion
NERFINISHED
ⓘ
Great Britain ⓘ United Kingdom ⓘ Wales, United Kingdom NERFINISHED ⓘ west coast of Wales ⓘ |
| locatedOnCoastOf | Cardigan Bay NERFINISHED ⓘ |
| mouthOf | River Ystwyth NERFINISHED ⓘ |
| near |
Aberystwyth
NERFINISHED
ⓘ
River Rheidol estuary NERFINISHED ⓘ |
| opensInto | Cardigan Bay NERFINISHED ⓘ |
| partOf |
Cardigan Bay coastal environment
NERFINISHED
ⓘ
Ceredigion coastline NERFINISHED ⓘ Irish Sea basin NERFINISHED ⓘ |
| region | Mid Wales NERFINISHED ⓘ |
| usedFor |
angling
ⓘ
boating ⓘ recreation ⓘ |
| waterBodyType | tidal estuary ⓘ |
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 Ystwyth estuary Description of subject: The River Ystwyth estuary is the tidal mouth of the River Ystwyth on the west coast of Wales, where the river meets Cardigan Bay near the town of Aberystwyth.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.