Triple
T4156314
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Wales Line |
E91422
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Carmarthen railway station |
E417780
|
NE FINISHED |
How this triple was built (2 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: Carmarthen railway station | Statement: [West Wales Line, hasStation, Carmarthen railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Carmarthen railway station Context triple: [West Wales Line, hasStation, Carmarthen railway station]
-
A.
Carmarthen railway station
chosen
Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
-
B.
Tywyn railway station
Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian 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.
Llanelli railway station
Llanelli railway station is a key passenger rail stop in Carmarthenshire, Wales, serving the town of Llanelli on routes including the West Wales Line.
-
E.
Merthyr Tydfil railway station
Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69aed9626ebc8190a39de631788bea3e |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af028fc11c819093fb2f616b97a694 |
completed | March 9, 2026, 5:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5d055a1888190a188a8dba7d8af23 |
completed | March 14, 2026, 9:17 p.m. |
Created at: March 9, 2026, 3:44 p.m.