Triple

T11194322
Position Surface form Disambiguated ID Type / Status
Subject Trent Valley Line services E264881 entity
Predicate usesInfrastructure P6820 FINISHED
Object West Coast Main Line Trent Valley section
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.
E910892 NE FINISHED

How this triple was built (4 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: West Coast Main Line Trent Valley section | Statement: [Trent Valley Line services, usesInfrastructure, West Coast Main Line Trent Valley section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line Trent Valley section
Context triple: [Trent Valley Line services, usesInfrastructure, West Coast Main Line Trent Valley section]
  • A. 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.
  • B. Glossop line
    The Glossop line is a suburban railway route in Greater Manchester, England, running between Manchester and the towns of Glossop and Hadfield.
  • C. Dearne Valley Line
    The Dearne Valley Line is a regional railway route in South Yorkshire and West Yorkshire, England, running through the Dearne Valley and connecting Sheffield with towns such as Rotherham, Barnsley, and Wakefield.
  • D. Manchester–Stoke-on-Trent line
    The Manchester–Stoke-on-Trent line is a key railway route in North West England linking Manchester with Stoke-on-Trent and serving several intermediate towns and commuter communities.
  • E. Birmingham–Lichfield rail corridor
    The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: West Coast Main Line Trent Valley section
Triple: [Trent Valley Line services, usesInfrastructure, West Coast Main Line Trent Valley section]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line Trent Valley section
Target entity description: 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.
  • A. 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.
  • B. Glossop line
    The Glossop line is a suburban railway route in Greater Manchester, England, running between Manchester and the towns of Glossop and Hadfield.
  • C. Dearne Valley Line
    The Dearne Valley Line is a regional railway route in South Yorkshire and West Yorkshire, England, running through the Dearne Valley and connecting Sheffield with towns such as Rotherham, Barnsley, and Wakefield.
  • D. Manchester–Stoke-on-Trent line
    The Manchester–Stoke-on-Trent line is a key railway route in North West England linking Manchester with Stoke-on-Trent and serving several intermediate towns and commuter communities.
  • E. Birmingham–Lichfield rail corridor
    The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
  • F. None of above. chosen

Provenance (5 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_69d6aa9eb9248190b20211772621b4bc completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e8bf14e481908563b15790af4d20 completed April 9, 2026, 5:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69e483f8ecf4819086f0bab3ca9ddcb4 completed April 19, 2026, 7:27 a.m.
NEDg Description generation batch_69e4878971cc8190aaa1fe32b32925a8 completed April 19, 2026, 7:43 a.m.
NED2 Entity disambiguation (via description) batch_69e4890e8ab881909c85593067041994 completed April 19, 2026, 7:49 a.m.
Created at: April 8, 2026, 9:29 p.m.