Triple
T10735312
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bala Lake Railway |
E253179
|
entity |
| Predicate | hasLocomotiveCollectionFrom |
P60619
|
FINISHED |
| Object | Penrhyn slate quarries |
E309449
|
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: Penrhyn slate quarries | Statement: [Bala Lake Railway, hasLocomotiveCollectionFrom, Penrhyn slate quarries]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penrhyn slate quarries Context triple: [Bala Lake Railway, hasLocomotiveCollectionFrom, Penrhyn slate quarries]
-
A.
Nantlle Valley slate quarries
The Nantlle Valley slate quarries are a historic complex of slate mines in northwest Wales, renowned for their role in the region’s industrial heritage and distinctive quarrying landscape.
-
B.
Penrhyn Slate Quarry
chosen
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
C.
Bryn Eglwys slate quarry
Bryn Eglwys slate quarry was a significant Welsh slate mine near Abergynolwyn in Gwynedd, historically important for its role in the local economy and as the original raison d'être for the Talyllyn Railway.
-
D.
Garn-yr-erw quarries
Garn-yr-erw quarries are historic stone quarries in South Wales that form part of the Blaenavon Industrial Landscape UNESCO World Heritage Site, reflecting the region’s 19th-century industrial and mining heritage.
-
E.
Dinorwig Slate Quarry
Dinorwig Slate Quarry is a historic former slate mine in northwest Wales, renowned for its vast industrial landscape and role in the region’s 19th-century slate boom.
- 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_69d6aa5e51e8819095f06881cecf152e |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d71021cccc8190ba2d3bbd7d50e2a7 |
completed | April 9, 2026, 2:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69de557c4ea4819090b0c6c2175e05ea |
completed | April 14, 2026, 2:55 p.m. |
Created at: April 8, 2026, 9:14 p.m.