Triple
T10558573
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tywyn Wharf railway station |
E249152
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Talyllyn Railway Company |
E48102
|
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: Talyllyn Railway Company | Statement: [Tywyn Wharf railway station, operatedBy, Talyllyn Railway Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Talyllyn Railway Company Context triple: [Tywyn Wharf railway station, operatedBy, Talyllyn Railway Company]
-
A.
Talyllyn Railway
chosen
Talyllyn Railway is a historic narrow-gauge heritage railway in Wales, renowned as the world’s first preserved railway to be operated primarily by volunteers.
-
B.
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.
-
C.
Cambrian Railways
Cambrian Railways was a historic railway company in Wales that operated an extensive network of rural lines across mid- and west Wales before becoming part of the Great Western Railway in the early 20th century.
-
D.
Llangollen Railway
Llangollen Railway is a preserved heritage railway in Denbighshire, Wales, known for operating steam and heritage diesel services through the scenic Dee Valley.
-
E.
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.
- 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_69d381c733c08190ab1dd6239f5f34ae |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d5271e65688190bcf7931373d87f94 |
completed | April 7, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3e6afdf0c8190924cb14512a89ee8 |
completed | April 18, 2026, 8:16 p.m. |
Created at: April 6, 2026, 12:35 p.m.