Triple
T2525129
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cross-City Line |
E56016
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | London Midland |
E129443
|
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: London Midland | Statement: [Cross-City Line, formerOperator, London Midland]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Midland Context triple: [Cross-City Line, formerOperator, London Midland]
-
A.
London Midland
chosen
London Midland was a former British train operating company that ran regional and intercity passenger services across the West Midlands and surrounding areas until its franchise ended in 2017.
-
B.
West Midlands Railway
West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of England.
-
C.
Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
-
D.
London and North Eastern Railway
London and North Eastern Railway was a major British railway company formed in 1923, known for operating key routes in eastern and northeastern England and for famous express trains like the Flying Scotsman and Mallard.
-
E.
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.
- 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_69ab4a48e4f081908f1218d244608659 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd2544b4481908e105294cebdbb1f |
completed | March 7, 2026, 7:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afa0425944819096e87fadfce94bc2 |
completed | March 10, 2026, 4:38 a.m. |
Created at: March 6, 2026, 9:46 p.m.