Triple

T18493083
Position Surface form Disambiguated ID Type / Status
Subject London and Southampton Railway E451866 entity
Predicate operatedRoute P18593 FINISHED
Object London–Southampton 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: London–Southampton main line | Statement: [London and Southampton Railway, operatedRoute, London–Southampton main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London–Southampton main line
Context triple: [London and Southampton Railway, operatedRoute, London–Southampton main line]
  • A. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • B. Waterloo to Southampton main line chosen
    The Waterloo to Southampton main line is a key railway route in southern England linking London Waterloo with the port city of Southampton, serving major commuter and intercity traffic.
  • C. 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.
  • D. London–Glasgow main line
    The London–Glasgow main line is a major intercity railway route in the United Kingdom connecting London with Glasgow via key cities in England and Scotland.
  • 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 (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_69d8d3855d50819097fc8561b0299dd9 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e532be5e988190aae93a66f6e5f857 completed April 19, 2026, 7:53 p.m.
Created at: April 10, 2026, 11:35 a.m.