Triple

T2429982
Position Surface form Disambiguated ID Type / Status
Subject London Northwestern Railway E52818 entity
Predicate operatesOnLine P15252 FINISHED
Object Trent Valley Line
The Trent Valley Line is a key railway route in England that forms part of the West Coast Main Line, linking the Midlands with the North West and bypassing central Birmingham.
E264882 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: Trent Valley Line | Statement: [London Northwestern Railway, operatesOnLine, Trent Valley Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trent Valley Line
Context triple: [London Northwestern Railway, operatesOnLine, Trent Valley Line]
  • A. Esk Valley Line
    The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
  • B. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • C. Waterloo–Reading line
    The Waterloo–Reading line is a suburban and regional railway route in southern England that connects London Waterloo with Reading, serving numerous commuter towns in Surrey and Berkshire.
  • D. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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: Trent Valley Line
Triple: [London Northwestern Railway, operatesOnLine, Trent Valley Line]
Generated description
The Trent Valley Line is a key railway route in England that forms part of the West Coast Main Line, linking the Midlands with the North West and bypassing central Birmingham.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Trent Valley Line
Target entity description: The Trent Valley Line is a key railway route in England that forms part of the West Coast Main Line, linking the Midlands with the North West and bypassing central Birmingham.
  • A. Esk Valley Line
    The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
  • B. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • C. Waterloo–Reading line
    The Waterloo–Reading line is a suburban and regional railway route in southern England that connects London Waterloo with Reading, serving numerous commuter towns in Surrey and Berkshire.
  • D. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • E. Avon Valley Line
    The Avon Valley Line is a railway route in southwest England that follows the River Avon, connecting key towns and cities in the region.
  • 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_69ab4959bcc0819083246f9fb10439e3 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc99fcd048190a85b95a9a8ae6d4d completed March 7, 2026, 6:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69aebf6634a48190af82eab6b9750323 completed March 9, 2026, 12:39 p.m.
NEDg Description generation batch_69aec2a3f4708190a6c51f28833174e3 completed March 9, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69aec3626a7081908f1ccef98e9b96be completed March 9, 2026, 12:56 p.m.
Created at: March 6, 2026, 9:43 p.m.