Triple
T485403
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Trains |
E9865
|
entity |
| Predicate | tookOverOperationsFrom |
P8756
|
FINISHED |
| Object | Arriva Rail North |
E22661
|
NE FINISHED |
How this triple was built (3 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: Arriva Rail North | Statement: [Northern Trains, tookOverOperationsFrom, Arriva Rail North]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arriva Rail North Context triple: [Northern Trains, tookOverOperationsFrom, Arriva Rail North]
-
A.
Arriva UK Trains
chosen
Arriva UK Trains is a major British train operating company that manages several passenger rail franchises and services across the United Kingdom.
-
B.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
-
C.
Greater Anglia
Greater Anglia is a British train operating company that provides passenger rail services across East Anglia and parts of London and the East of England.
-
D.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: tookOverOperationsFrom Context triple: [Northern Trains, tookOverOperationsFrom, Arriva Rail North]
-
A.
takesOver
Indicates that one entity assumes control, ownership, or responsibility for another entity, often replacing its previous controller.
-
B.
tookOverCompanyFrom
chosen
Indicates that one entity assumed control or ownership of a company previously controlled or owned by another entity.
-
C.
operatedAs
Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
-
D.
operatesOver
Indicates that one entity performs actions or exerts functional control across, upon, or throughout another entity or domain.
-
E.
operationOf
Indicates that one entity is the function, activity, or process carried out by another entity (such as a system, device, or organization).
- F. None of above.
Provenance (4 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_69a2e802e2908190ab17c9479e0b6412 |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f0bb46788190b40182bf2a54f98f |
completed | Feb. 28, 2026, 1:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a474701340819096a5073155af9625 |
completed | March 1, 2026, 5:16 p.m. |
| PD | Predicate disambiguation | batch_69a2edf48ec08190b85d07e194f99c49 |
completed | Feb. 28, 2026, 1:30 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.