Triple
T7976583
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ystrad Mynach |
E185461
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Ystrad Mynach 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: Ystrad Mynach railway station | Statement: [Ystrad Mynach, servedBy, Ystrad Mynach railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ystrad Mynach railway station Context triple: [Ystrad Mynach, servedBy, Ystrad Mynach railway station]
-
A.
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.
-
B.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
-
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.
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.
-
E.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
- 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_69ca829851908190b4e03829353ee7c3 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3bf56f688190902b95afe42635ec |
completed | March 31, 2026, 3:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe0cc09a081909cb92cd4864ef50d |
completed | March 31, 2026, 2:57 p.m. |
Created at: March 30, 2026, 5:14 p.m.