Triple
T19079950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penrhiwceiber |
E467000
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Penrhiwceiber railway station
Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
|
E1356523
|
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: Penrhiwceiber railway station | Statement: [Penrhiwceiber, hasRailwayStation, Penrhiwceiber railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penrhiwceiber railway station Context triple: [Penrhiwceiber, hasRailwayStation, Penrhiwceiber railway station]
-
A.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
B.
Glyndyfrdwy railway station
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
-
C.
Pencoed railway station
Pencoed railway station is a local rail stop in Pencoed, Wales, providing passenger services on the South Wales Main Line.
-
D.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
E.
Cefn-y-Bedd railway station
Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
- 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: Penrhiwceiber railway station Triple: [Penrhiwceiber, hasRailwayStation, Penrhiwceiber railway station]
Generated description
Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Penrhiwceiber railway station Target entity description: Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
-
A.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
B.
Glyndyfrdwy railway station
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
-
C.
Pencoed railway station
Pencoed railway station is a local rail stop in Pencoed, Wales, providing passenger services on the South Wales Main Line.
-
D.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
E.
Cefn-y-Bedd railway station
Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
- 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_69d8dd04f4488190b1121cc53ef2bfd6 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e2e82ec08190873186ff51e89d86 |
completed | April 20, 2026, 8:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05d3641f608190a8f849304e52f203 |
completed | May 14, 2026, 1:51 p.m. |
| NEDg | Description generation | batch_6a05d421965c8190b6f44aa2c8df5150 |
completed | May 14, 2026, 1:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a05d49f62f881908ca289b644f29a53 |
completed | May 14, 2026, 1:56 p.m. |
Created at: April 10, 2026, 12:04 p.m.