Triple
T3172330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Wales Coast Line |
E66381
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Prestatyn railway station
Prestatyn railway station is a coastal rail station in Denbighshire, Wales, serving the town of Prestatyn with regional and long-distance services.
|
E336065
|
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: Prestatyn railway station | Statement: [North Wales Coast Line, hasStation, Prestatyn railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prestatyn railway station Context triple: [North Wales Coast Line, hasStation, Prestatyn railway station]
-
A.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
-
B.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
-
C.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
D.
Penyffordd railway station
Penyffordd railway station is a small local stop in Flintshire, Wales, providing passenger rail services on the Borderlands Line between Wrexham and Bidston.
-
E.
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.
- 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: Prestatyn railway station Triple: [North Wales Coast Line, hasStation, Prestatyn railway station]
Generated description
Prestatyn railway station is a coastal rail station in Denbighshire, Wales, serving the town of Prestatyn with regional and long-distance services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Prestatyn railway station Target entity description: Prestatyn railway station is a coastal rail station in Denbighshire, Wales, serving the town of Prestatyn with regional and long-distance services.
-
A.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
-
B.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
-
C.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
D.
Penyffordd railway station
Penyffordd railway station is a small local stop in Flintshire, Wales, providing passenger rail services on the Borderlands Line between Wrexham and Bidston.
-
E.
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.
- 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_69ad8585d7988190af37365331093ccd |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada66da23c81908f063b44b48b1e53 |
completed | March 8, 2026, 4:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b66b3e081908e8ea11d9b36e50a |
completed | March 12, 2026, 5:13 a.m. |
| NEDg | Description generation | batch_69b24f6f5ee08190b42e2ae0610c34d3 |
completed | March 12, 2026, 5:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b24ff7eff88190973925ae3ef804c7 |
completed | March 12, 2026, 5:32 a.m. |
Created at: March 8, 2026, 3:06 p.m.