Triple

T3172326
Position Surface form Disambiguated ID Type / Status
Subject North Wales Coast Line E66381 entity
Predicate connectsTo P845 FINISHED
Object 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.
E334478 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 Chester | Statement: [North Wales Coast Line, connectsTo, West Coast Main Line at Chester]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line at Chester
Context triple: [North Wales Coast Line, connectsTo, West Coast Main Line at Chester]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. East Lancashire Line
    The East Lancashire Line is a regional railway route in Lancashire, England, linking towns such as Preston, Blackburn, Burnley, and Colne.
  • E. Ashton-under-Lyne line
    The Ashton-under-Lyne line is a Metrolink light rail route in Greater Manchester that runs between Manchester city centre and the town of Ashton-under-Lyne.
  • 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 Chester
Triple: [North Wales Coast Line, connectsTo, West Coast Main Line at Chester]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Coast Main Line at Chester
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. East Lancashire Line
    The East Lancashire Line is a regional railway route in Lancashire, England, linking towns such as Preston, Blackburn, Burnley, and Colne.
  • E. Ashton-under-Lyne line
    The Ashton-under-Lyne line is a Metrolink light rail route in Greater Manchester that runs between Manchester city centre and the town of Ashton-under-Lyne.
  • 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_69ad8585d7988190af37365331093ccd completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada66da23c81908f063b44b48b1e53 completed March 8, 2026, 4:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69b235e9f04c8190933e893e59e9f342 completed March 12, 2026, 3:41 a.m.
NEDg Description generation batch_69b23699a6fc81908b15c7e23340f476 completed March 12, 2026, 3:44 a.m.
NED2 Entity disambiguation (via description) batch_69b23a51a21c819083a4986e5b3ac63d completed March 12, 2026, 4 a.m.
Created at: March 8, 2026, 3:06 p.m.