Triple

T21729625
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo suburban services E536370 entity
Predicate usesInfrastructure P6820 FINISHED
Object South Western Main Line — NE NERFINISHED

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: South Western Main Line | Statement: [London Waterloo suburban services, usesInfrastructure, South Western Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Western Main Line
Context triple: [London Waterloo suburban services, usesInfrastructure, South Western Main Line]
  • A. South West Main Line chosen
    The South West Main Line is a major railway route in southern England that connects London Waterloo with key towns and cities in Surrey, Hampshire, and Dorset.
  • B. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • C. Northern Main Line
    The Northern Main Line is a major Swedish railway route that runs through central and northern Sweden, connecting Stockholm with key inland and northern regions.
  • D. Midland Line
    The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • E. Midland line
    The Midland line is a suburban passenger railway line in Perth, Western Australia, running between Perth station and the eastern suburb of Midland as part of the Transperth network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c46d3284819099a4f9d5a704eb95 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69effd04c9648190922e8fa7c74ac1b5 completed April 28, 2026, 12:19 a.m.
Created at: April 16, 2026, 6:48 p.m.