Triple
T21804417
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mark 4 coaching stock |
E538313
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Transport for Wales |
—
|
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: Transport for Wales | Statement: [Mark 4 coaching stock, operator, Transport for Wales]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Transport for Wales Context triple: [Mark 4 coaching stock, operator, Transport for Wales]
-
A.
Transport for Wales Rail
chosen
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
-
B.
Arriva Trains Wales
Arriva Trains Wales was a former UK train operating company that provided passenger rail services across Wales and the English border regions from 2003 to 2018.
-
C.
Transport for Wales integrated transport network
The Transport for Wales integrated transport network is a coordinated public transport system in Wales that brings together rail, bus, and other services under a unified, passenger-focused framework.
-
D.
KeolisAmey Wales
KeolisAmey Wales was the train operating company that took over the Wales and Borders rail franchise from Arriva Trains Wales, providing passenger rail services across Wales and parts of England.
-
E.
Tyne and Wear Passenger Transport Executive
Tyne and Wear Passenger Transport Executive was the former public body responsible for overseeing and coordinating public transport services, including the Tyne and Wear Metro, in the Tyne and Wear region of North East England.
- 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_69e0c4733f4081909a86622e7e6d15d2 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f07801fa8081909098d00947bf8f7f |
completed | April 28, 2026, 9:04 a.m. |
Created at: April 16, 2026, 6:53 p.m.