Triple
T1049500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arriva UK Trains |
E22661
|
entity |
| Predicate | operatorOf |
P179
|
FINISHED |
| Object | Chiltern Railways |
E125825
|
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: Chiltern Railways | Statement: [Arriva UK Trains, operatorOf, Chiltern Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chiltern Railways Context triple: [Arriva UK Trains, operatorOf, Chiltern Railways]
-
A.
Chiltern Railways
chosen
Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
-
B.
Great Western Railway
Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
-
C.
South Western Railway
South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
-
D.
Mid Hants Railway
Mid Hants Railway, also known as the Watercress Line, is a preserved heritage railway in Hampshire, England, famed for its steam-hauled services through scenic countryside.
-
E.
Midland Railway
Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
- 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_69a493da02e081908c13ff5e02a0fe7a |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b8b2c6208190b6fdf3e93b1b1d04 |
completed | March 1, 2026, 10:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac53864a20819081fc59e7102a6e00 |
completed | March 7, 2026, 4:34 p.m. |
Created at: March 1, 2026, 7:42 p.m.