Triple
T17446104
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Welshpool and Llanfair Light Railway |
E424787
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Llanfair Caereinion |
—
|
NE NERFINISHED |
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: Llanfair Caereinion | Statement: [Welshpool and Llanfair Light Railway, terminus, Llanfair Caereinion]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llanfair Caereinion Context triple: [Welshpool and Llanfair Light Railway, terminus, Llanfair Caereinion]
-
A.
Llanfair Caereinion
chosen
Llanfair Caereinion is a small market town in Powys, Wales, situated on the River Banwy and known historically for its agricultural community and heritage railway.
-
B.
Llanfairpwllgwyngyll
Llanfairpwllgwyngyll is a village on the island of Anglesey in Wales, best known for having one of the longest place names in Europe.
-
C.
Llanfairfechan
Llanfairfechan is a coastal town and seaside resort on the north coast of Wales, known for its beach, promenade, and views across the Menai Strait.
-
D.
Llanfair-yn-Neubwll
Llanfair-yn-Neubwll is a village on the island of Anglesey in north-west Wales, situated close to the RAF Valley airbase and the island’s western coastline.
-
E.
Llanegryn
Llanegryn is a small village in Gwynedd, Wales, situated in the Dysynni Valley near the coastal town of Tywyn.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d889db0ba481908402409af3b37917 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e44ffafec48190b25980318cea353f |
completed | April 19, 2026, 3:46 a.m. |
Created at: April 10, 2026, 5:47 a.m.