Triple
T11458952
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Corwen railway station |
E271601
|
entity |
| Predicate | terminusFor |
P388
|
FINISHED |
| Object | Llangollen Railway |
E257728
|
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: Llangollen Railway | Statement: [Corwen railway station, terminusFor, Llangollen Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llangollen Railway Context triple: [Corwen railway station, terminusFor, Llangollen Railway]
-
A.
Llangollen Railway
chosen
Llangollen Railway is a preserved heritage railway in Denbighshire, Wales, known for operating steam and heritage diesel services through the scenic Dee Valley.
-
B.
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.
-
C.
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.
-
D.
Welshpool and Llanfair Light Railway
Welshpool and Llanfair Light Railway is a preserved narrow-gauge heritage railway in Powys, Wales, offering scenic steam-hauled journeys through the countryside.
-
E.
Llanberis Lake Railway
The Llanberis Lake Railway is a narrow-gauge heritage railway in Snowdonia, Wales, offering scenic rides along the shores of Llyn Padarn with views of the surrounding mountains.
- 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_69d6aadff8888190a13f253f0d460874 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d822f2138081909408c7916cef99c9 |
completed | April 9, 2026, 10:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e6248d0db881909999049356f53ff6 |
completed | April 20, 2026, 1:05 p.m. |
Created at: April 8, 2026, 9:35 p.m.