Triple
T2156902
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ffestiniog Railway |
E47909
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Blaenau Ffestiniog
Blaenau Ffestiniog is a historic slate-mining town in Gwynedd, Wales, known for its dramatic mountainous landscape and role in the Welsh slate industry.
|
E258555
|
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: Blaenau Ffestiniog | Statement: [Ffestiniog Railway, terminus, Blaenau Ffestiniog]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blaenau Ffestiniog Context triple: [Ffestiniog Railway, terminus, Blaenau Ffestiniog]
-
A.
Blaengwynfi
Blaengwynfi is a small former coal-mining village in South Wales, situated in the Afan Valley and now known for its surrounding forestry and outdoor recreation.
-
B.
Dolgellau
Dolgellau is a historic market town in Gwynedd, Wales, known for its stone buildings, former woollen industry, and scenic location near the southern edge of Snowdonia National Park.
-
C.
Tywyn
Tywyn is a coastal town in Gwynedd, Wales, known for its sandy beaches on Cardigan Bay and proximity to the scenic Talyllyn Railway.
-
D.
Bodelwyddan
Bodelwyddan is a village in Denbighshire, North Wales, known for its strategic location near the A55 and landmarks such as Bodelwyddan Castle.
-
E.
Ffestiniog
Ffestiniog is a historic town in north Wales, known for its slate quarrying heritage and proximity to the scenic landscapes of Snowdonia.
- 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: Blaenau Ffestiniog Triple: [Ffestiniog Railway, terminus, Blaenau Ffestiniog]
Generated description
Blaenau Ffestiniog is a historic slate-mining town in Gwynedd, Wales, known for its dramatic mountainous landscape and role in the Welsh slate industry.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blaenau Ffestiniog Target entity description: Blaenau Ffestiniog is a historic slate-mining town in Gwynedd, Wales, known for its dramatic mountainous landscape and role in the Welsh slate industry.
-
A.
Blaengwynfi
Blaengwynfi is a small former coal-mining village in South Wales, situated in the Afan Valley and now known for its surrounding forestry and outdoor recreation.
-
B.
Dolgellau
Dolgellau is a historic market town in Gwynedd, Wales, known for its stone buildings, former woollen industry, and scenic location near the southern edge of Snowdonia National Park.
-
C.
Tywyn
Tywyn is a coastal town in Gwynedd, Wales, known for its sandy beaches on Cardigan Bay and proximity to the scenic Talyllyn Railway.
-
D.
Bodelwyddan
Bodelwyddan is a village in Denbighshire, North Wales, known for its strategic location near the A55 and landmarks such as Bodelwyddan Castle.
-
E.
Ffestiniog
Ffestiniog is a historic town in north Wales, known for its slate quarrying heritage and proximity to the scenic landscapes of Snowdonia.
- 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_69a88a1d1fd8819088b34990d69a712f |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abbe67d6888190b8d3c07527c8f80e |
completed | March 7, 2026, 5:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae95f487708190b06a536dd20a069a |
completed | March 9, 2026, 9:42 a.m. |
| NEDg | Description generation | batch_69ae9694c390819095b3e935224902d3 |
completed | March 9, 2026, 9:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae9a5b2a04819091b102c51a5b2af4 |
completed | March 9, 2026, 10 a.m. |
Created at: March 4, 2026, 7:44 p.m.