Triple
T13195940
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nantlle Valley slate quarries |
E314110
|
entity |
| Predicate | transportLink |
P11026
|
FINISHED |
| Object |
Nantlle Railway
The Nantlle Railway was a historic narrow-gauge line in North Wales built primarily to carry slate from the Nantlle Valley quarries to the coast for export.
|
E1026255
|
NE FINISHED |
How this triple was built (4 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: Nantlle Railway | Statement: [Nantlle Valley slate quarries, transportLink, Nantlle Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nantlle Railway Context triple: [Nantlle Valley slate quarries, transportLink, Nantlle Railway]
-
A.
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.
-
B.
Ebbw Valley Railway
The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
-
C.
Vale of Rheidol Railway
The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
-
D.
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.
-
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. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Nantlle Railway Triple: [Nantlle Valley slate quarries, transportLink, Nantlle Railway]
Generated description
The Nantlle Railway was a historic narrow-gauge line in North Wales built primarily to carry slate from the Nantlle Valley quarries to the coast for export.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nantlle Railway Target entity description: The Nantlle Railway was a historic narrow-gauge line in North Wales built primarily to carry slate from the Nantlle Valley quarries to the coast for export.
-
A.
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.
-
B.
Ebbw Valley Railway
The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
-
C.
Vale of Rheidol Railway
The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
-
D.
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.
-
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. chosen
Provenance (5 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_69d806ae1e08819090d95bfe1538cc17 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c626058819086f604b11af2d4eb |
completed | April 10, 2026, 11:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6f605a48c81909373fcd9dd896b3d |
completed | May 3, 2026, 7:15 a.m. |
| NEDg | Description generation | batch_69f6f6e10f2481909b405169dd7e5cf9 |
completed | May 3, 2026, 7:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6f73b301881909d792dfebd2e468f |
completed | May 3, 2026, 7:20 a.m. |
Created at: April 9, 2026, 9:16 p.m.