Llyn Cwm Bychan
E905306
Llyn Cwm Bychan is a small, scenic lake nestled in a remote valley in Snowdonia, north Wales, popular for walking and enjoying rugged mountain landscapes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Llyn Cwm Bychan canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11091348 — 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: Llyn Cwm Bychan Context triple: [Moel Ysgyfarnogod, near, Llyn Cwm Bychan]
-
A.
Llyn Gwynant
Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
-
B.
Llyn Llydaw
Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
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C.
Llyn Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
D.
Llyn Hywel
Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
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E.
Llyn Crafnant
Llyn Crafnant is a scenic freshwater lake in Snowdonia, North Wales, popular for walking, fishing, and views of the surrounding mountains.
- 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: Llyn Cwm Bychan Target entity description: Llyn Cwm Bychan is a small, scenic lake nestled in a remote valley in Snowdonia, north Wales, popular for walking and enjoying rugged mountain landscapes.
-
A.
Llyn Gwynant
Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
-
B.
Llyn Llydaw
Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
-
C.
Llyn Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
D.
Llyn Hywel
Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
-
E.
Llyn Crafnant
Llyn Crafnant is a scenic freshwater lake in Snowdonia, North Wales, popular for walking, fishing, and views of the surrounding mountains.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
natural freshwater lake ⓘ |
| country | Wales ⓘ |
| hasApproximateSize | small lake ⓘ |
| hasLandscapeCharacter |
remote valley setting
ⓘ
rugged mountain scenery ⓘ |
| hasNameLanguage | Welsh ⓘ |
| hasNearbyActivity | mountain walking ⓘ |
| hasNearbyFeature |
moorland
ⓘ
rocky slopes ⓘ |
| hasNotableFeature |
remote access by narrow lanes
ⓘ
surrounded by steep hillsides ⓘ |
| hasRecreationActivity |
nature observation
ⓘ
picnicking ⓘ |
| hasScenicQuality |
picturesque
ⓘ
tranquil ⓘ |
| hasWaterType | freshwater ⓘ |
| isPopularFor |
hiking
ⓘ
landscape photography ⓘ scenic views ⓘ walking ⓘ |
| isTouristAttraction | true ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ north Wales ⓘ
linked to:
North Wales
|
| locatedInProtectedArea |
Snowdonia National Park
ⓘ
linked to:
Eryri National Park
|
| locatedInValley | Cwm Bychan ⓘ |
| nameMeaning | Lake of the little valley ⓘ |
| partOf |
Welsh lake district of Snowdonia
ⓘ
linked to:
Snowdonia
|
| region | Eryri ⓘ |
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: Llyn Cwm Bychan Description of subject: Llyn Cwm Bychan is a small, scenic lake nestled in a remote valley in Snowdonia, north Wales, popular for walking and enjoying rugged mountain landscapes.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.