Triple
T16593296
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llanymynech |
E403142
|
entity |
| Predicate | hasFormerRailway |
P20480
|
FINISHED |
| Object |
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.
|
E1222574
|
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: Llanymynech railway station | Statement: [Llanymynech, hasFormerRailway, Llanymynech railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llanymynech railway station Context triple: [Llanymynech, hasFormerRailway, Llanymynech railway station]
-
A.
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.
-
B.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
C.
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.
-
D.
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.
-
E.
Llanhilleth railway station
Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
- 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: Llanymynech railway station Triple: [Llanymynech, hasFormerRailway, Llanymynech railway station]
Generated description
Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Llanymynech railway station Target entity description: Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
-
A.
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.
-
B.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
C.
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.
-
D.
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.
-
E.
Llanhilleth railway station
Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
- 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_69d88387363c8190a97a0c942130de97 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e35d6fcaa48190b1ba7dc3b792041a |
completed | April 18, 2026, 10:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00759dea5c819083fe9fb7dee37a35 |
completed | May 10, 2026, 12:10 p.m. |
| NEDg | Description generation | batch_6a0076468d588190972639d0a22f0e3e |
completed | May 10, 2026, 12:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a007728680c819082a3bd7e84edb2b0 |
completed | May 10, 2026, 12:16 p.m. |
Created at: April 10, 2026, 5:16 a.m.