Triple
T2219280
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Talyllyn Railway |
E48102
|
entity |
| Predicate | hasMuseumAt |
P37091
|
FINISHED |
| Object | Tywyn Wharf railway station |
E249152
|
NE FINISHED |
How this triple was built (3 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: Tywyn Wharf railway station | Statement: [Talyllyn Railway, hasMuseumAt, Tywyn Wharf railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tywyn Wharf railway station Context triple: [Talyllyn Railway, hasMuseumAt, Tywyn Wharf railway station]
-
A.
Tywyn Wharf railway station
chosen
Tywyn Wharf railway station is the main station and visitor hub of the historic narrow-gauge Talyllyn Railway in Gwynedd, Wales.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasMuseumAt Context triple: [Talyllyn Railway, hasMuseumAt, Tywyn Wharf railway station]
-
A.
museumAt
Indicates that an entity (such as an exhibit, artifact, or event) is located at or associated with a particular museum.
-
B.
hasMuseumName
Indicates that an entity (typically a museum) is associated with a specific name or title.
-
C.
hasMemorialMuseum
Indicates that a memorial museum is dedicated to, associated with, or established in honor of a particular entity.
-
D.
museumHolds
Indicates that a museum possesses, preserves, or has custody of a particular item or collection within its holdings.
-
E.
hasMuseumType
Indicates that an entity is classified as a museum of a specific type or category.
- 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_69aebf1cded88190aa8edefc5dd94a6c |
completed | March 9, 2026, 12:37 p.m. |
| PD | Predicate disambiguation | batch_69abbdac31d8819092d17815e11921e9 |
completed | March 7, 2026, 5:54 a.m. |
| PDg | Predicate description generation | batch_69abbfe93d7c81909f1b9c1b1e3c7989 |
completed | March 7, 2026, 6:04 a.m. |
Created at: March 4, 2026, 7:46 p.m.