Triple
T20281946
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llangennech |
E503169
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Llangennech railway station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Llangennech railway station | Statement: [Llangennech, hasRailwayStation, Llangennech railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llangennech railway station Context triple: [Llangennech, hasRailwayStation, Llangennech railway station]
-
A.
Llanymynech railway station
Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
-
B.
Llanwrtyd railway station
Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
-
C.
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.
-
D.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
E.
Glyndyfrdwy railway station
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
- 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: Llangennech railway station Target entity description: Llangennech railway station is a small local train stop in the village of Llangennech, Carmarthenshire, Wales, providing regional rail services on the West Wales line.
-
A.
Llanymynech railway station
Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
-
B.
Llanwrtyd railway station
Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
-
C.
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.
-
D.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
E.
Glyndyfrdwy railway station
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
- F. None of above. chosen
Provenance (2 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_69e0b4b0e79c8190bd61f22ef1329fa8 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6768f86448190842389a98b93a918 |
completed | April 20, 2026, 6:55 p.m. |
Created at: April 16, 2026, 10:39 a.m.