Triple
T18538820
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tenby railway station |
E453033
|
entity |
| Predicate | originalOperator |
P179
|
FINISHED |
| Object | Pembroke and Tenby Railway |
—
|
NE NERFINISHED |
How this triple was built (3 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: Pembroke and Tenby Railway | Statement: [Tenby railway station, originalOperator, Pembroke and Tenby Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pembroke and Tenby Railway Context triple: [Tenby railway station, originalOperator, Pembroke and Tenby Railway]
-
A.
Aberystwith and Welsh Coast Railway
The Aberystwith and Welsh Coast Railway was a 19th-century railway company in Wales that developed coastal rail routes, including the line serving Aberystwyth.
-
B.
Swansea Vale Railway
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
-
C.
Bodmin and Wenford Railway
Bodmin and Wenford Railway is a preserved heritage railway in Cornwall, England, offering steam and diesel train rides along a restored former branch line.
-
D.
Pelion Railway
Pelion Railway is a historic narrow-gauge mountain railway in Greece, renowned for its scenic route through the Pelion peninsula and its traditional steam trains.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pembroke and Tenby Railway Target entity description: 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.
-
A.
Aberystwith and Welsh Coast Railway
The Aberystwith and Welsh Coast Railway was a 19th-century railway company in Wales that developed coastal rail routes, including the line serving Aberystwyth.
-
B.
Swansea Vale Railway
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
-
C.
Bodmin and Wenford Railway
Bodmin and Wenford Railway is a preserved heritage railway in Cornwall, England, offering steam and diesel train rides along a restored former branch line.
-
D.
Pelion Railway
Pelion Railway is a historic narrow-gauge mountain railway in Greece, renowned for its scenic route through the Pelion peninsula and its traditional steam trains.
-
E.
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.
- F. None of above. chosen
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_69d8d387b5548190aa030dad2cb4947e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e534b5863881908915a6762718d3f7 |
completed | April 19, 2026, 8:01 p.m. |
Created at: April 10, 2026, 11:37 a.m.