Triple
T2156847
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llyn Tegid |
E47907
|
entity |
| Predicate | hasLegend |
P1582
|
FINISHED |
| Object |
sunken kingdom of Cantre'r Gwaelod
The sunken kingdom of Cantre'r Gwaelod is a legendary Welsh land said to have been drowned by the sea due to human negligence or divine punishment, surviving in folklore as a cautionary tale of a lost coastal realm.
|
E240854
|
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: sunken kingdom of Cantre'r Gwaelod | Statement: [Llyn Tegid, hasLegend, sunken kingdom of Cantre'r Gwaelod]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: sunken kingdom of Cantre'r Gwaelod Context triple: [Llyn Tegid, hasLegend, sunken kingdom of Cantre'r Gwaelod]
-
A.
Pwllmeyric
Pwllmeyric is a small village and suburb on the outskirts of Chepstow in Monmouthshire, Wales.
-
B.
Beaumaris
Beaumaris is a historic seaside town in Wales best known for its impressive medieval castle and picturesque setting on the Isle of Anglesey.
-
C.
Llandovery
Llandovery is a historic market town in Carmarthenshire, Wales, known for its medieval castle ruins and role as a gateway to the Brecon Beacons.
-
D.
Cynwyd
Cynwyd is a suburban neighborhood in Lower Merion Township, Pennsylvania, known as the endpoint of SEPTA’s Cynwyd regional rail line and part of the Bala Cynwyd community just outside Philadelphia.
-
E.
Gwaun-Cae-Gurwen
Gwaun-Cae-Gurwen is a village in South Wales known historically for its coal mining and close-knit community.
- 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: sunken kingdom of Cantre'r Gwaelod Triple: [Llyn Tegid, hasLegend, sunken kingdom of Cantre'r Gwaelod]
Generated description
The sunken kingdom of Cantre'r Gwaelod is a legendary Welsh land said to have been drowned by the sea due to human negligence or divine punishment, surviving in folklore as a cautionary tale of a lost coastal realm.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: sunken kingdom of Cantre'r Gwaelod Target entity description: The sunken kingdom of Cantre'r Gwaelod is a legendary Welsh land said to have been drowned by the sea due to human negligence or divine punishment, surviving in folklore as a cautionary tale of a lost coastal realm.
-
A.
Pwllmeyric
Pwllmeyric is a small village and suburb on the outskirts of Chepstow in Monmouthshire, Wales.
-
B.
Beaumaris
Beaumaris is a historic seaside town in Wales best known for its impressive medieval castle and picturesque setting on the Isle of Anglesey.
-
C.
Llandovery
Llandovery is a historic market town in Carmarthenshire, Wales, known for its medieval castle ruins and role as a gateway to the Brecon Beacons.
-
D.
Cynwyd
Cynwyd is a suburban neighborhood in Lower Merion Township, Pennsylvania, known as the endpoint of SEPTA’s Cynwyd regional rail line and part of the Bala Cynwyd community just outside Philadelphia.
-
E.
Gwaun-Cae-Gurwen
Gwaun-Cae-Gurwen is a village in South Wales known historically for its coal mining and close-knit community.
- 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_69a88a1d1fd8819088b34990d69a712f |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abbe67d6888190b8d3c07527c8f80e |
completed | March 7, 2026, 5:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae58e53fe481908fa4035ee98bd6ca |
completed | March 9, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_69ae5a612f7081909fe82c45d07f3311 |
completed | March 9, 2026, 5:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5b09402c81908b68e4ad4c06f215 |
completed | March 9, 2026, 5:30 a.m. |
Created at: March 4, 2026, 7:44 p.m.