Triple
T21373515
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Abercynon |
E527131
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object | Cardiff to Merthyr Tydfil railway |
—
|
NE NERFINISHED |
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: Cardiff to Merthyr Tydfil railway | Statement: [Abercynon, servedByRailLine, Cardiff to Merthyr Tydfil railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cardiff to Merthyr Tydfil railway Context triple: [Abercynon, servedByRailLine, Cardiff to Merthyr Tydfil railway]
-
A.
Merthyr Line
chosen
The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
-
B.
Rhymney Line
The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
-
C.
South Wales Railway
The South Wales Railway was a 19th-century railway company that built and operated the main line linking Gloucester and later London with key industrial and port cities across South Wales.
-
D.
North–South Wales rail corridor
The North–South Wales rail corridor is a key railway route linking major towns and cities across Wales from north to south, supporting both regional passenger travel and freight transport.
-
E.
Rhondda Line
The Rhondda Line is a commuter rail route in South Wales that runs through the Rhondda Valleys, connecting local communities with larger hubs such as Pontypridd and Cardiff.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b51e80808190ba5cb05667af02a9 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b0b248508190aebeb671e55198da |
completed | April 22, 2026, 11:27 a.m. |
Created at: April 16, 2026, 5:10 p.m.