Triple
T19778184
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llandrindod railway station |
E475061
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Builth Road 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: Builth Road railway station | Statement: [Llandrindod railway station, hasAdjacentStation, Builth Road railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Builth Road railway station Context triple: [Llandrindod railway station, hasAdjacentStation, Builth Road railway station]
-
A.
Builth Road railway station
chosen
Builth Road railway station is a rural train station in Powys, Wales, serving the town of Builth Wells on the Heart of Wales Line.
-
B.
Tal-y-Cafn railway station
Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
-
C.
Rhosneigr railway station
Rhosneigr railway station is a small rural stop on the North Wales Coast Line serving the village of Rhosneigr on the Isle of Anglesey, Wales.
-
D.
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.
-
E.
Vale of Rheidol Railway station
Vale of Rheidol Railway station is the narrow-gauge heritage terminus in Aberystwyth serving the historic Vale of Rheidol steam 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.