Triple
T17446123
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Welshpool and Llanfair Light Railway |
E424787
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Cefn |
—
|
NE NERFINISHED |
How this triple was built (3 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: Cefn | Statement: [Welshpool and Llanfair Light Railway, hasStation, Cefn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cefn Context triple: [Welshpool and Llanfair Light Railway, hasStation, Cefn]
-
A.
Cefn Bryn
Cefn Bryn is a prominent sandstone ridge on the Gower Peninsula in Wales, known for its sweeping views, prehistoric sites, and distinctive moorland landscape.
-
B.
Cefn-y-Bedd
Cefn-y-Bedd is a village in Flintshire, Wales, situated between Wrexham and Buckley.
-
C.
Cefn Fforest
Cefn Fforest is a residential community and suburb situated near the town of Blackwood in Caerphilly County Borough, Wales.
-
D.
Tal-y-Cafn
Tal-y-Cafn is a small village in Conwy County Borough, Wales, situated in the Conwy Valley and known for its rural setting and former railway station on the Conwy Valley Line.
-
E.
Cwmfelin
Cwmfelin is a small village and community in the county borough of Bridgend, South Wales.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cefn Target entity description: Cefn is a small rural halt on the heritage Welshpool and Llanfair Light Railway in Powys, Wales.
-
A.
Cefn Bryn
Cefn Bryn is a prominent sandstone ridge on the Gower Peninsula in Wales, known for its sweeping views, prehistoric sites, and distinctive moorland landscape.
-
B.
Cefn-y-Bedd
Cefn-y-Bedd is a village in Flintshire, Wales, situated between Wrexham and Buckley.
-
C.
Cefn Fforest
Cefn Fforest is a residential community and suburb situated near the town of Blackwood in Caerphilly County Borough, Wales.
-
D.
Tal-y-Cafn
Tal-y-Cafn is a small village in Conwy County Borough, Wales, situated in the Conwy Valley and known for its rural setting and former railway station on the Conwy Valley Line.
-
E.
Cwmfelin
Cwmfelin is a small village and community in the county borough of Bridgend, South Wales.
- F. None of above. chosen
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.