Triple

T6358680
Position Surface form Disambiguated ID Type / Status
Subject Derby–Crewe line E143054 entity
Predicate connectsTo P845 FINISHED
Object 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.
E588605 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 at Crewe | Statement: [Derby–Crewe line, connectsTo, West Coast Main Line at Crewe]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line at Crewe
Context triple: [Derby–Crewe line, connectsTo, West Coast Main Line at Crewe]
  • A. West Coast Main Line at Chester
    The West Coast Main Line at Chester is a key junction where the major intercity rail route between London and northwest England links with services to North Wales via the North Wales Coast Line.
  • 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. Liverpool–Crewe line
    The Liverpool–Crewe line is a key railway route in North West England linking the city of Liverpool with the major rail hub at Crewe, carrying both passenger and freight services.
  • D. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • E. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • 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 at Crewe
Triple: [Derby–Crewe line, connectsTo, West Coast Main Line at Crewe]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line at Crewe
Target entity description: 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.
  • A. West Coast Main Line at Chester
    The West Coast Main Line at Chester is a key junction where the major intercity rail route between London and northwest England links with services to North Wales via the North Wales Coast Line.
  • 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. Liverpool–Crewe line
    The Liverpool–Crewe line is a key railway route in North West England linking the city of Liverpool with the major rail hub at Crewe, carrying both passenger and freight services.
  • D. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • E. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • 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_69c008d7a9c4819098d647ec47776917 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c067f72f8481908f9df0c0cdf22a52 completed March 22, 2026, 10:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69c62d5f134c8190817037ad933c4d2b completed March 27, 2026, 7:10 a.m.
NEDg Description generation batch_69c62fb982088190ab4ccbd5ff23740d completed March 27, 2026, 7:20 a.m.
NED2 Entity disambiguation (via description) batch_69c6302e2f008190bd7ccdfbcddb3c07 completed March 27, 2026, 7:22 a.m.
Created at: March 22, 2026, 4:32 p.m.