Triple
T4958214
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cwmbran railway station |
E111338
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Welsh Marches Line |
E37489
|
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: Welsh Marches Line | Statement: [Cwmbran railway station, railwayLine, Welsh Marches Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Welsh Marches Line Context triple: [Cwmbran railway station, railwayLine, Welsh Marches Line]
-
A.
Welsh Marches Line
chosen
The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
-
B.
Cynwyd Line
The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
-
C.
Shrewsbury–Aberystwyth line
The Shrewsbury–Aberystwyth line is a rural railway route in Wales that connects the English border town of Shrewsbury with the coastal town of Aberystwyth, forming the eastern section of the Cambrian Line.
-
D.
South Wales Main Line
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
E.
Birmingham–Leamington Spa line
The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
- 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_69bd4418390c8190b7e9766a2512ce55 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd71d834c0819087f3faafdc9b4228 |
completed | March 20, 2026, 4:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb0daa53481908c705ca3698ab777 |
completed | March 21, 2026, 2:53 p.m. |
Created at: March 20, 2026, 1:32 p.m.