Triple
T23216704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 91 |
E580764
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Virgin Trains East Coast |
—
|
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: Virgin Trains East Coast | Statement: [British Rail Class 91, operator, Virgin Trains East Coast]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virgin Trains East Coast Context triple: [British Rail Class 91, operator, Virgin Trains East Coast]
-
A.
Virgin Trains East Coast
chosen
Virgin Trains East Coast was a former UK train operating company that ran long-distance intercity passenger services on the East Coast Main Line between London and major cities in northern England and Scotland.
-
B.
Virgin Trains
Virgin Trains was a British train operating company under Richard Branson’s Virgin Group brand that ran long-distance passenger rail services in the UK.
-
C.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
D.
Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
-
E.
Hull Trains
Hull Trains is an open-access British train operating company that runs long-distance passenger services primarily between London King's Cross and Hull and other destinations in East Yorkshire.
- 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_69e2460389408190be74f41d217799a9 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f19165949c81908e4d66a8a2b0a25a |
completed | April 29, 2026, 5:04 a.m. |
Created at: April 17, 2026, 4:08 p.m.