Triple
T19208160
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pentre |
E480289
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Pentre 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: Pentre railway station | Statement: [Pentre, hasRailwayStation, Pentre railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pentre railway station Context triple: [Pentre, hasRailwayStation, Pentre railway station]
-
A.
Pont-y-Pant railway station
Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
-
B.
Penrhiwceiber railway station
Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
-
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.
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.
-
E.
Caergwrle railway station
Caergwrle railway station is a small rural stop in Flintshire, Wales, serving the village of Caergwrle on the regional rail network.
- 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: Pentre railway station Target entity description: Pentre railway station is a small local train stop serving the village of Pentre in Rhondda Cynon Taf, Wales.
-
A.
Pont-y-Pant railway station
Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
-
B.
Penrhiwceiber railway station
Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
-
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.
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.
-
E.
Caergwrle railway station
Caergwrle railway station is a small rural stop in Flintshire, Wales, serving the village of Caergwrle on the regional rail network.
- 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_69d8e8cb8c348190b52075823911c869 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5f99e9f8c8190b73db55f3f8bbf20 |
completed | April 20, 2026, 10:02 a.m. |
Created at: April 10, 2026, 1:20 p.m.