Triple
T10693563
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nant Gwernol railway station |
E252072
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Talyllyn Railway heritage trains |
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 heritage trains | Statement: [Nant Gwernol railway station, serves, Talyllyn Railway heritage trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Talyllyn Railway heritage trains Context triple: [Nant Gwernol railway station, serves, Talyllyn Railway heritage trains]
-
A.
Bluebell Railway
Bluebell Railway is a renowned preserved heritage railway in Sussex, England, operating historic steam trains through scenic countryside and serving as a popular tourist attraction and film location.
-
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.
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.
-
D.
North Yorkshire Moors Railway
North Yorkshire Moors Railway is a heritage steam and diesel railway in North Yorkshire, England, offering scenic journeys through the North York Moors National Park.
-
E.
A1 Steam Locomotive Trust
The A1 Steam Locomotive Trust is a British charitable organization dedicated to designing, building, and operating new mainline steam locomotives to historic LNER designs.
- 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fd38c24c8190a105a9dfdf705b38 |
completed | April 9, 2026, 1:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d988ad741c8190b9ae962e0c5bc272 |
completed | April 10, 2026, 11:33 p.m. |
Created at: April 8, 2026, 9:11 p.m.