Triple

T11801384
Position Surface form Disambiguated ID Type / Status
Subject Croxley Green E280633 entity
Predicate railwayLine P848 FINISHED
Object London Underground Metropolitan line E171480 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: London Underground Metropolitan line | Statement: [Croxley Green, railwayLine, London Underground Metropolitan line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Underground Metropolitan line
Context triple: [Croxley Green, railwayLine, London Underground Metropolitan line]
  • A. London Underground Metropolitan line chosen
    The London Underground Metropolitan line is one of the network’s oldest and longest lines, running from central London into the north-west suburbs and beyond into Buckinghamshire.
  • B. London Underground District line
    The London Underground District line is a major Tube line in London running from the western suburbs through central London to the east, serving numerous key residential and commercial areas.
  • C. London Underground Central line
    The London Underground Central line is a major east–west Tube line running across Greater London, connecting key central and suburban areas as part of the city’s rapid transit network.
  • D. London Underground Victoria line
    The London Underground Victoria line is a high-frequency, deep-level Tube line in London running north–south between Walthamstow Central and Brixton.
  • 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_69d6ab258b808190b1735835c841e3a4 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a5a4512c8190b7782e1dee053000 completed April 10, 2026, 7:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69f41775f4348190a82e8f6c265c9c36 completed May 1, 2026, 3:01 a.m.
Created at: April 8, 2026, 9:42 p.m.