Triple
T17607533
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Swansea–Cardiff line |
E428872
|
entity |
| Predicate | railwayStationOnLine |
P34369
|
FINISHED |
| Object | Pontyclun railway station |
E615200
|
NE FINISHED |
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: Pontyclun railway station | Statement: [Swansea–Cardiff line, railwayStationOnLine, Pontyclun railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pontyclun railway station Context triple: [Swansea–Cardiff line, railwayStationOnLine, Pontyclun railway station]
-
A.
Pontyclun railway station
chosen
Pontyclun railway station is a commuter rail station in Pontyclun, Rhondda Cynon Taf, Wales, providing local and regional services on the South Wales Main Line.
-
B.
Caerphilly railway station
Caerphilly railway station is a passenger rail station in Caerphilly, Wales, providing local and regional train services.
-
C.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
-
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.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d889e1c6148190ba76241e74688f8b |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e46c4ccef08190aeaa88670364bd74 |
completed | April 19, 2026, 5:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0216479c1c8190a56dfdc6d96350fc |
completed | May 11, 2026, 5:47 p.m. |
Created at: April 10, 2026, 5:51 a.m.