Triple
T19580330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Neath and Brecon Railway |
E489969
|
entity |
| Predicate | linkedTo |
P37
|
FINISHED |
| Object | Swansea Vale Railway |
—
|
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: Swansea Vale Railway | Statement: [Neath and Brecon Railway, linkedTo, Swansea Vale Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Swansea Vale Railway Context triple: [Neath and Brecon Railway, linkedTo, Swansea Vale Railway]
-
A.
Swansea Vale Railway
chosen
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
-
B.
Swansea Bay railway line
The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
-
C.
Severn and Wye Railway
The Severn and Wye Railway was a historic railway in Gloucestershire, England, primarily serving the Forest of Dean’s coal and iron industries and linking them to ports on the River Severn.
-
D.
Pembroke and Tenby Railway
The Pembroke and Tenby Railway was a 19th-century railway company in southwest Wales that developed local lines connecting coastal towns such as Pembroke and Tenby to the wider rail network.
-
E.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
- 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_69d8e8dd9374819098e36349b3211663 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6402763b8819099e535979f094f9d |
completed | April 20, 2026, 3:03 p.m. |
Created at: April 10, 2026, 1:42 p.m.