Triple

T12479294
Position Surface form Disambiguated ID Type / Status
Subject S8 Stock E298260 entity
Predicate serviceArea P82 FINISHED
Object Metropolitan line between Aldgate and Watford E61513 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: Metropolitan line between Aldgate and Watford | Statement: [S8 Stock, serviceArea, Metropolitan line between Aldgate and Watford]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan line between Aldgate and Watford
Context triple: [S8 Stock, serviceArea, Metropolitan line between Aldgate and Watford]
  • A. Metropolitan line between Aldgate and Chesham
    The Metropolitan line between Aldgate and Chesham is a long-distance London Underground route that runs from the City of London through northwest suburbs into Buckinghamshire, combining urban metro and semi-rural commuter rail characteristics.
  • B. Liverpool Street to Enfield Town line
    The Liverpool Street to Enfield Town line is a suburban commuter rail route in North and East London that runs from London Liverpool Street to Enfield Town as part of the Lea Valley rail network.
  • C. Romford–Upminster line
    The Romford–Upminster line is a short suburban railway in east London linking Romford and Upminster, operated as part of the London Overground network.
  • D. Metropolitan line chosen
    The Metropolitan line is one of the oldest lines of the London Underground, running from central London into the northwestern suburbs and beyond.
  • E. London Fenchurch Street–Shoeburyness line
    The London Fenchurch Street–Shoeburyness line is a key commuter rail route in Essex and east London, linking central London with coastal towns along the Thames Estuary.
  • 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_69d6ada377208190a36011199a4d8558 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94dcdcd3c81908ad29145db241408 completed April 10, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f65ea9024081908c800f6a5afc149e completed May 2, 2026, 8:29 p.m.
Created at: April 8, 2026, 9:56 p.m.