Triple
T20156170
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llwynypia |
E491571
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Llwynypia railway station
Llwynypia railway station is a local stop on the Rhondda Line in Rhondda Cynon Taf, Wales, providing rail services between the former mining village of Llwynypia and larger hubs such as Cardiff.
|
E1414826
|
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: Llwynypia railway station | Statement: [Llwynypia, hasRailwayStation, Llwynypia railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llwynypia railway station Context triple: [Llwynypia, hasRailwayStation, Llwynypia railway station]
-
A.
Llanymynech railway station
Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
-
B.
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.
-
C.
Llanwrtyd railway station
Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
-
D.
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.
-
E.
Llanbedr railway station
Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
- 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: Llwynypia railway station Triple: [Llwynypia, hasRailwayStation, Llwynypia railway station]
Generated description
Llwynypia railway station is a local stop on the Rhondda Line in Rhondda Cynon Taf, Wales, providing rail services between the former mining village of Llwynypia and larger hubs such as Cardiff.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Llwynypia railway station Target entity description: Llwynypia railway station is a local stop on the Rhondda Line in Rhondda Cynon Taf, Wales, providing rail services between the former mining village of Llwynypia and larger hubs such as Cardiff.
-
A.
Llanymynech railway station
Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
-
B.
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.
-
C.
Llanwrtyd railway station
Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
-
D.
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.
-
E.
Llanbedr railway station
Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
- 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_69da6265f8f0819080b29c752a574088 |
completed | April 11, 2026, 3:01 p.m. |
| NER | Named-entity recognition | batch_69e667e0a0488190a25d92aaf300be4a |
completed | April 20, 2026, 5:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a083476e2d08190807674e3f61382bc |
completed | May 16, 2026, 9:10 a.m. |
| NEDg | Description generation | batch_6a08351511888190a144ff037abdddfb |
completed | May 16, 2026, 9:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0835e4248c8190817907ca46cd5cff |
completed | May 16, 2026, 9:16 a.m. |
Created at: April 11, 2026, 11:34 p.m.