Triple
T2156910
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ffestiniog Railway |
E47909
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Ffestiniog Railway Company |
E47909
|
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: Ffestiniog Railway Company | Statement: [Ffestiniog Railway, owner, Ffestiniog Railway Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ffestiniog Railway Company Context triple: [Ffestiniog Railway, owner, Ffestiniog Railway Company]
-
A.
Ffestiniog Railway
chosen
Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
-
B.
Snowdon Mountain Railway
Snowdon Mountain Railway is a historic narrow-gauge rack and pinion railway in Wales that carries passengers from Llanberis to near the summit of Mount Snowdon.
-
C.
Welsh Highland Railway
The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
-
D.
Furness Railway
Furness Railway was a historic British railway company in northwest England that primarily served the industrial and coastal areas of the Lake District before being absorbed into the London, Midland and Scottish Railway.
-
E.
Talyllyn Railway
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.
- 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_69a88a1d1fd8819088b34990d69a712f |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abbe67d6888190b8d3c07527c8f80e |
completed | March 7, 2026, 5:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6af04e908190a8eaee7500e0b1af |
completed | March 9, 2026, 6:38 a.m. |
Created at: March 4, 2026, 7:44 p.m.