Triple

T11551979
Position Surface form Disambiguated ID Type / Status
Subject Lichfield Trent Valley E273918 entity
Predicate onCorridor P5520 FINISHED
Object Trent Valley section of West Coast Main Line E910892 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: Trent Valley section of West Coast Main Line | Statement: [Lichfield Trent Valley, onCorridor, Trent Valley section of West Coast Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Trent Valley section of West Coast Main Line
Context triple: [Lichfield Trent Valley, onCorridor, Trent Valley section of West Coast Main Line]
  • A. West Coast Main Line Trent Valley section chosen
    The West Coast Main Line Trent Valley section is a key stretch of the West Coast Main Line in England that carries high-speed passenger and freight trains through the Trent Valley between the Midlands and the North West.
  • B. Birmingham Loop of the West Coast Main Line
    The Birmingham Loop of the West Coast Main Line is a major railway route in the UK that diverts from the main London–Glasgow corridor to serve Birmingham and surrounding areas before rejoining the primary line.
  • C. Derwent Valley Line
    The Derwent Valley Line is a regional railway route in Derbyshire, England, running through the scenic Derwent Valley and serving towns between Derby and Matlock.
  • D. West Coast Main Line at Crewe
    West Coast Main Line at Crewe is a major junction on one of the UK’s principal intercity rail routes, serving as a key hub for passenger and freight services across England, Scotland, and Wales.
  • E. Ribble Valley Line
    The Ribble Valley Line is a railway route in Lancashire, England, running through the scenic Ribble Valley and connecting towns such as Clitheroe and Blackburn with the wider rail network.
  • 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_69d6aae4dfa48190a3ab0b19a159a3c5 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d88a83f1e88190aabf11a4c8a6c9e5 completed April 10, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69e6e8396ed081909bdf381db3dacd62 completed April 21, 2026, 3 a.m.
Created at: April 8, 2026, 9:37 p.m.