Triple
T19778185
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llandrindod railway station |
E475061
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Llanwrtyd railway station |
—
|
NE NERFINISHED |
How this triple was built (2 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: Llanwrtyd railway station | Statement: [Llandrindod railway station, hasAdjacentStation, Llanwrtyd railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llanwrtyd railway station Context triple: [Llandrindod railway station, hasAdjacentStation, Llanwrtyd railway station]
-
A.
Llanwrtyd railway station
chosen
Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
-
B.
Llanbedr railway station
Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
-
C.
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.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8e51a43a08190956bc6df13c91a77 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65361a8e08190b52944aab25e45fa |
completed | April 20, 2026, 4:25 p.m. |
Created at: April 10, 2026, 1:48 p.m.