Triple

T3989729
Position Surface form Disambiguated ID Type / Status
Subject West Coast Main Line E86957 entity
Predicate historicalComponent P32486 FINISHED
Object London and North Western Railway main line
The London and North Western Railway main line was a major 19th- and early 20th-century British railway route that formed the core north–south trunk line linking London with the Midlands, northwest England, and Scotland.
E403965 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: London and North Western Railway main line | Statement: [West Coast Main Line, historicalComponent, London and North Western Railway main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London and North Western Railway main line
Context triple: [West Coast Main Line, historicalComponent, London and North Western Railway main line]
  • A. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • B. Main North railway line
    The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
  • C. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • D. Chiltern Main Line
    The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
  • E. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • 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: London and North Western Railway main line
Triple: [West Coast Main Line, historicalComponent, London and North Western Railway main line]
Generated description
The London and North Western Railway main line was a major 19th- and early 20th-century British railway route that formed the core north–south trunk line linking London with the Midlands, northwest England, and Scotland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London and North Western Railway main line
Target entity description: The London and North Western Railway main line was a major 19th- and early 20th-century British railway route that formed the core north–south trunk line linking London with the Midlands, northwest England, and Scotland.
  • A. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • B. Main North railway line
    The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
  • C. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • D. Chiltern Main Line
    The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
  • E. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • 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_69aed93fd9d4819085d3b2137d2346cb completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefa01bf3c8190a6fb3bba65186ae6 completed March 9, 2026, 4:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5403235408190b47b8d4f4e21d094 completed March 14, 2026, 11:02 a.m.
NEDg Description generation batch_69b540c5ab7881908b7ebb0af2f9da46 completed March 14, 2026, 11:04 a.m.
NED2 Entity disambiguation (via description) batch_69b5415e002881908343ae30b2f8a16c completed March 14, 2026, 11:07 a.m.
Created at: March 9, 2026, 3:33 p.m.