Triple

T7224422
Position Surface form Disambiguated ID Type / Status
Subject Nottingham–Grantham line E150341 entity
Predicate operator P179 FINISHED
Object East Midlands Railway E21789 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: East Midlands Railway | Statement: [Nottingham–Grantham line, operator, East Midlands Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Midlands Railway
Context triple: [Nottingham–Grantham line, operator, East Midlands Railway]
  • A. East Midlands Railway chosen
    East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
  • 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. North Midland Railway
    The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
  • D. North Staffordshire Railway
    The North Staffordshire Railway was a historic British railway company serving the Staffordshire region, particularly around Stoke-on-Trent and the Potteries, before being absorbed into larger railway groupings.
  • E. Manchester, Sheffield and Lincolnshire Railway
    The Manchester, Sheffield and Lincolnshire Railway was a 19th-century British railway company that operated lines across northern England and later evolved into the Great Central Railway.
  • 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_69c687effb44819092b95d07d0368c9f completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6e9db51888190b8463d0003f334fa completed March 27, 2026, 8:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7cc11b48881909886a71f1b887789 completed March 28, 2026, 12:39 p.m.
Created at: March 27, 2026, 2:54 p.m.