Triple

T21729648
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo suburban services E536370 entity
Predicate connectsTo P845 FINISHED
Object London Underground at Waterloo NE NERFINISHED

How this triple was built (3 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 Underground at Waterloo | Statement: [London Waterloo suburban services, connectsTo, London Underground at Waterloo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Underground at Waterloo
Context triple: [London Waterloo suburban services, connectsTo, London Underground at Waterloo]
  • A. London Underground at Bank
    London Underground at Bank is a major central London interchange station complex serving multiple Tube lines and providing extensive connections to the City of London’s financial district.
  • B. London Waterloo East
    London Waterloo East is a central London railway station serving suburban and regional services, located near Waterloo and connected by footbridge to the main Waterloo station complex.
  • C. London Waterloo railway station
    London Waterloo railway station is a major central London terminus and one of the busiest railway stations in the United Kingdom, serving as a key hub for suburban and long-distance services in the south of England.
  • D. London Underground
    The London Underground is a rapid transit system serving Greater London and surrounding areas, famous as one of the world's oldest and most extensive metro networks.
  • E. Battersea Power Station Underground station
    Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Underground at Waterloo
Target entity description: London Underground at Waterloo is a major central London Tube station complex serving multiple Underground lines and providing key interchanges with mainline rail services at Waterloo.
  • A. London Underground at Bank
    London Underground at Bank is a major central London interchange station complex serving multiple Tube lines and providing extensive connections to the City of London’s financial district.
  • B. London Waterloo East
    London Waterloo East is a central London railway station serving suburban and regional services, located near Waterloo and connected by footbridge to the main Waterloo station complex.
  • C. London Waterloo railway station
    London Waterloo railway station is a major central London terminus and one of the busiest railway stations in the United Kingdom, serving as a key hub for suburban and long-distance services in the south of England.
  • D. London Underground
    The London Underground is a rapid transit system serving Greater London and surrounding areas, famous as one of the world's oldest and most extensive metro networks.
  • E. Battersea Power Station Underground station
    Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
  • F. None of above. chosen

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.