Triple
T2219198
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barmouth |
E48101
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Barmouth railway station
Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
|
E249093
|
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: Barmouth railway station | Statement: [Barmouth, servedBy, Barmouth railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barmouth railway station Context triple: [Barmouth, servedBy, Barmouth railway station]
-
A.
Blaenau Ffestiniog Station
Blaenau Ffestiniog Station is a railway station in the town of Blaenau Ffestiniog in Gwynedd, Wales, serving as a key terminus for heritage and mainline rail services in the area.
-
B.
Porthmadog Harbour Station
Porthmadog Harbour Station is a historic narrow-gauge railway terminus in Porthmadog, Wales, serving as a key hub for heritage steam services on the Ffestiniog Railway.
-
C.
Harlech railway station
Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
-
D.
Aberystwyth railway station
Aberystwyth railway station is the main terminus railway station serving the coastal town of Aberystwyth in Ceredigion, Wales, and a key hub on the Cambrian Line.
-
E.
Fishguard Harbour railway station
Fishguard Harbour railway station is a coastal rail terminus in Pembrokeshire, Wales, serving as a key link between train services and ferry connections to Ireland.
- 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: Barmouth railway station Triple: [Barmouth, servedBy, Barmouth railway station]
Generated description
Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Barmouth railway station Target entity description: Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
-
A.
Blaenau Ffestiniog Station
Blaenau Ffestiniog Station is a railway station in the town of Blaenau Ffestiniog in Gwynedd, Wales, serving as a key terminus for heritage and mainline rail services in the area.
-
B.
Porthmadog Harbour Station
Porthmadog Harbour Station is a historic narrow-gauge railway terminus in Porthmadog, Wales, serving as a key hub for heritage steam services on the Ffestiniog Railway.
-
C.
Harlech railway station
Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
-
D.
Aberystwyth railway station
Aberystwyth railway station is the main terminus railway station serving the coastal town of Aberystwyth in Ceredigion, Wales, and a key hub on the Cambrian Line.
-
E.
Fishguard Harbour railway station
Fishguard Harbour railway station is a coastal rail terminus in Pembrokeshire, Wales, serving as a key link between train services and ferry connections to Ireland.
- 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_69a88aa1ee708190862c8c378c41e9eb |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc011d50c8190b1c375cc633f8189 |
completed | March 7, 2026, 6:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6afc6dd881909dd51d8a18ab4c74 |
completed | March 9, 2026, 6:38 a.m. |
| NEDg | Description generation | batch_69ae6ef1de2881908c7967c52b5c9db8 |
completed | March 9, 2026, 6:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae6f4281508190b9e00155a3a68773 |
completed | March 9, 2026, 6:57 a.m. |
Created at: March 4, 2026, 7:46 p.m.