Triple
T6837750
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rhymney Line |
E157491
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Bargoed railway station |
E623149
|
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: Bargoed railway station | Statement: [Rhymney Line, serves, Bargoed railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bargoed railway station Context triple: [Rhymney Line, serves, Bargoed railway station]
-
A.
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.
-
B.
Pencoed railway station
Pencoed railway station is a local rail stop in Pencoed, Wales, providing passenger services on the South Wales Main Line.
-
C.
Bridgend railway station
Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
-
D.
Ystrad Mynach railway station
chosen
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
E.
Treorchy railway station
Treorchy railway station is a local train stop in the town of Treorchy in Rhondda Cynon Taf, Wales, providing passenger rail services along the Rhondda Line.
- 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_69c6882c53608190b99aebef079b23bd |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d67db4008190b86b497bf6f0c73a |
completed | March 27, 2026, 7:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7426b3d2081909d0804a2fbc6efad |
completed | March 28, 2026, 2:52 a.m. |
Created at: March 27, 2026, 2:19 p.m.