Triple
T5493729
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 158 |
E123762
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Abellio Greater Anglia (past) |
E30534
|
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: Abellio Greater Anglia (past) | Statement: [British Rail Class 158, operator, Abellio Greater Anglia (past)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Abellio Greater Anglia (past) Context triple: [British Rail Class 158, operator, Abellio Greater Anglia (past)]
-
A.
Greater Anglia
chosen
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.
-
B.
Govia Thameslink Railway
Govia Thameslink Railway is a major UK train operating company that runs the Thameslink, Southern, Great Northern, and Gatwick Express services across London and surrounding regions.
-
C.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
D.
Arriva Trains Northern
Arriva Trains Northern was a former British train operating company that provided regional and commuter rail services across Northern England.
-
E.
Northern Trains
Northern Trains is a British train operating company that runs local and regional passenger rail services across Northern England.
- 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_69bd464a2d908190869324ce176779c8 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd9281a0148190bb7a8dae9c991b9c |
completed | March 20, 2026, 6:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf6c8fb5688190b29f27ce13324943 |
completed | March 22, 2026, 4:14 a.m. |
Created at: March 20, 2026, 2:10 p.m.