Triple

T11552007
Position Surface form Disambiguated ID Type / Status
Subject Lichfield Trent Valley railway station E273919 entity
Predicate lineServed P6301 FINISHED
Object Trent Valley section of the 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 the West Coast Main Line | Statement: [Lichfield Trent Valley railway station, lineServed, Trent Valley section of the West Coast Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trent Valley section of the West Coast Main Line
Context triple: [Lichfield Trent Valley railway station, lineServed, Trent Valley section of the 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. South Manchester Line
    The South Manchester Line is a Metrolink light rail route in Greater Manchester, England, connecting central Manchester with several southern suburbs.
  • 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_69e71392d0388190971bab8906e5e6df completed April 21, 2026, 6:05 a.m.
Created at: April 8, 2026, 9:37 p.m.