Triple

T9480557
Position Surface form Disambiguated ID Type / Status
Subject Chingford E228624 entity
Predicate railwayLine P848 FINISHED
Object London Overground Lea Valley Lines E51947 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 Overground Lea Valley Lines | Statement: [Chingford, railwayLine, London Overground Lea Valley Lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Overground Lea Valley Lines
Context triple: [Chingford, railwayLine, London Overground Lea Valley Lines]
  • A. London Overground chosen
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • B. North London line
    The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
  • C. DLR Stratford–Lewisham line
    The DLR Stratford–Lewisham line is a Docklands Light Railway route in London that runs from Stratford in the northeast to Lewisham in the southeast, serving key hubs such as Canary Wharf.
  • D. London Underground Metropolitan line
    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.
  • E. West London line
    The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
  • 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_69ca84730a5081908de282651019bf2f completed March 30, 2026, 2:10 p.m.
NER Named-entity recognition batch_69cd8018645c8190823d82a93635b345 completed April 1, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69d12cf7526c8190b96693bdc13743d5 completed April 4, 2026, 3:23 p.m.
Created at: March 30, 2026, 7:54 p.m.