Triple
T4970362
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llanfair Caereinion |
E111633
|
entity |
| Predicate | hasHeritageRailway |
P522
|
FINISHED |
| Object | Welshpool and Llanfair Light Railway |
E424787
|
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: Welshpool and Llanfair Light Railway | Statement: [Llanfair Caereinion, hasHeritageRailway, Welshpool and Llanfair Light Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Welshpool and Llanfair Light Railway Context triple: [Llanfair Caereinion, hasHeritageRailway, Welshpool and Llanfair Light Railway]
-
A.
Welshpool and Llanfair Light Railway
chosen
Welshpool and Llanfair Light Railway is a preserved narrow-gauge heritage railway in Powys, Wales, offering scenic steam-hauled journeys through the countryside.
-
B.
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.
-
C.
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.
-
D.
Ffestiniog Railway
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.
-
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_69bd441a0eb481908050fa4273b19eae |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd721221b88190916feb9b4f049195 |
completed | March 20, 2026, 4:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be81f749fc8190ad4dc68f7e2086b1 |
completed | March 21, 2026, 11:33 a.m. |
Created at: March 20, 2026, 1:33 p.m.