Triple

T5444497
Position Surface form Disambiguated ID Type / Status
Subject Chester railway station E122213 entity
Predicate isMajorHubFor P164 FINISHED
Object Chester–Warrington line E502101 NE FINISHED

How this triple was built (2 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: Chester–Warrington line | Statement: [Chester railway station, isMajorHubFor, Chester–Warrington line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chester–Warrington line
Context triple: [Chester railway station, isMajorHubFor, Chester–Warrington line]
  • A. Helsby–Warrington line
    The Helsby–Warrington line is a regional railway route in Cheshire, England, linking Helsby with Warrington and serving local passenger and freight traffic.
  • B. Chester–Warrington Bank Quay line chosen
    The Chester–Warrington Bank Quay line is a railway route in northwest England linking Chester with Warrington Bank Quay and connecting into the wider regional and national rail network.
  • C. Birmingham–Leamington Spa line
    The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
  • D. Chester–Crewe line
    The Chester–Crewe line is a key railway route in northwest England linking the historic city of Chester with the major rail junction at Crewe, serving both regional and long-distance passenger services.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd4640f52c81909e653ec361f66d76 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd91ce3e4081908e11a731416c0378 completed March 20, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf4881d6308190a4e7cb784eb520c9 completed March 22, 2026, 1:40 a.m.
Created at: March 20, 2026, 2:07 p.m.