Triple
T2257388
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Corwen |
E49758
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Corwen railway station
Corwen railway station is a heritage railway terminus in Denbighshire, Wales, serving the town of Corwen as part of the preserved Llangollen Railway.
|
E271601
|
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: Corwen railway station | Statement: [Corwen, hasRailwayStation, Corwen railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Corwen railway station Context triple: [Corwen, hasRailwayStation, Corwen railway station]
-
A.
Cwmbran railway station
Cwmbran railway station is a local rail stop in Cwmbran, Wales, providing regional passenger services and connections to the wider rail network.
-
B.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
C.
Tywyn railway station
Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
Abergynolwyn railway station
Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
- 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: Corwen railway station Triple: [Corwen, hasRailwayStation, Corwen railway station]
Generated description
Corwen railway station is a heritage railway terminus in Denbighshire, Wales, serving the town of Corwen as part of the preserved Llangollen Railway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Corwen railway station Target entity description: Corwen railway station is a heritage railway terminus in Denbighshire, Wales, serving the town of Corwen as part of the preserved Llangollen Railway.
-
A.
Cwmbran railway station
Cwmbran railway station is a local rail stop in Cwmbran, Wales, providing regional passenger services and connections to the wider rail network.
-
B.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
C.
Tywyn railway station
Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
Abergynolwyn railway station
Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
- 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_69a88aaa9250819095e127d0d77e8a32 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc15839fc8190b17e040c4c765a8c |
completed | March 7, 2026, 6:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af1f76bb60819084cac16bce2ce55d |
completed | March 9, 2026, 7:28 p.m. |
| NEDg | Description generation | batch_69af200e2db4819085851a45213edc89 |
completed | March 9, 2026, 7:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af208dfab081909d706aad8ff5f615 |
completed | March 9, 2026, 7:33 p.m. |
Created at: March 4, 2026, 7:47 p.m.