Triple
T20287997
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vale of Neath |
E509939
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object | Neath and Brecon Railway (historic) |
—
|
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: Neath and Brecon Railway (historic) | Statement: [Vale of Neath, hasTransport, Neath and Brecon Railway (historic)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Neath and Brecon Railway (historic) Context triple: [Vale of Neath, hasTransport, Neath and Brecon Railway (historic)]
-
A.
Neath and Brecon Railway (historical)
chosen
The Neath and Brecon Railway was a former railway line in South Wales that linked the industrial valleys and rural communities of Brecknockshire and Glamorgan to the wider British rail network.
-
B.
Rhymney Railway
Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
-
C.
Sirhowy Railway
The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
-
D.
Ebbw Valley Railway
The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
-
E.
Pontypool and Blaenavon Railway
Pontypool and Blaenavon Railway is a preserved heritage railway in South Wales that operates historic trains along a former industrial line serving the Blaenavon World Heritage landscape.
- 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_69e0b4c652388190b782cad965e5a098 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6769414488190b38e07fd1e989aba |
completed | April 20, 2026, 6:55 p.m. |
Created at: April 16, 2026, 11:09 a.m.