Triple
T11038654
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llyn Celyn |
E260949
|
entity |
| Predicate | submergedSettlement |
P13850
|
FINISHED |
| Object |
Capel Celyn
Capel Celyn was a Welsh rural community in the Tryweryn Valley that became a symbol of Welsh nationalism after being controversially flooded in the 1960s to create a reservoir.
|
E902390
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Capel Celyn | Statement: [Llyn Celyn, submergedSettlement, Capel Celyn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capel Celyn Context triple: [Llyn Celyn, submergedSettlement, Capel Celyn]
-
A.
Llyn Celyn
Llyn Celyn is a large reservoir in North Wales, created in the 1960s by flooding the Tryweryn Valley, including the village of Capel Celyn, to supply water to Liverpool.
-
B.
Lake Vyrnwy
Lake Vyrnwy is a large artificial reservoir in Powys, Wales, created in the 19th century to supply water to Liverpool and now known for its scenic surroundings and wildlife.
-
C.
Beddau
Beddau is a former coal-mining village in Rhondda Cynon Taf, South Wales, known for its residential character and proximity to Pontypridd.
-
D.
Taf Fechan Reservoir
Taf Fechan Reservoir is a man-made lake in the Brecon Beacons of South Wales, constructed to supply drinking water and now also valued for its scenic surroundings and outdoor recreation.
-
E.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Capel Celyn Triple: [Llyn Celyn, submergedSettlement, Capel Celyn]
Generated description
Capel Celyn was a Welsh rural community in the Tryweryn Valley that became a symbol of Welsh nationalism after being controversially flooded in the 1960s to create a reservoir.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Capel Celyn Target entity description: Capel Celyn was a Welsh rural community in the Tryweryn Valley that became a symbol of Welsh nationalism after being controversially flooded in the 1960s to create a reservoir.
-
A.
Llyn Celyn
Llyn Celyn is a large reservoir in North Wales, created in the 1960s by flooding the Tryweryn Valley, including the village of Capel Celyn, to supply water to Liverpool.
-
B.
Lake Vyrnwy
Lake Vyrnwy is a large artificial reservoir in Powys, Wales, created in the 19th century to supply water to Liverpool and now known for its scenic surroundings and wildlife.
-
C.
Beddau
Beddau is a former coal-mining village in Rhondda Cynon Taf, South Wales, known for its residential character and proximity to Pontypridd.
-
D.
Taf Fechan Reservoir
Taf Fechan Reservoir is a man-made lake in the Brecon Beacons of South Wales, constructed to supply drinking water and now also valued for its scenic surroundings and outdoor recreation.
-
E.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d6aa979bdc8190bf0e79104cc098c1 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797fe93b081909d58bfd4b42715f0 |
completed | April 9, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3c846d9f08190943d457ff6da6a9f |
completed | April 18, 2026, 6:07 p.m. |
| NEDg | Description generation | batch_69e3cadf271081908d2b794a4288892a |
completed | April 18, 2026, 6:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e3cf08cf108190966b4abd0514a6ea |
completed | April 18, 2026, 6:35 p.m. |
Created at: April 8, 2026, 9:26 p.m.