Triple

T22451804
Position Surface form Disambiguated ID Type / Status
Subject Barking bus station E555008 entity
Predicate hasAdjacentRailService P148252 FINISHED
Object London Underground District line at Barking 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 District line at Barking | Statement: [Barking bus station, hasAdjacentRailService, London Underground District line at Barking]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Underground District line at Barking
Context triple: [Barking bus station, hasAdjacentRailService, London Underground District line at Barking]
  • A. 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.
  • B. District line (London Underground) chosen
    The District line is a major London Underground line running across the city from east to west, serving numerous suburban areas and key central London destinations.
  • C. 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.
  • D. London Underground Hammersmith & City line at Farringdon
    The London Underground Hammersmith & City line at Farringdon is a central London Tube service calling at Farringdon station, an important interchange on the sub-surface network.
  • E. Ealing Broadway branch of the District line
    The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west London.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasAdjacentRailService
Context triple: [Barking bus station, hasAdjacentRailService, London Underground District line at Barking]
  • A. hasRailRoute
    Indicates that there exists a rail-based transportation route or connection between the related entities.
  • B. isRailServiceOf
    Indicates that a particular rail service operates for, belongs to, or is provided by a specified entity (such as a route, operator, or network).
  • C. hasAdjacentStationOnNorthCentralService
    Indicates that one station is directly next to another station along the North Central Service line.
  • D. hasNightTrainService
    Indicates that a transportation route or station is served by trains that operate during nighttime hours.
  • E. railwayTypeServed
    Indicates the type of railway system or service that a given entity (such as a station, line, or facility) is designed to serve or accommodate.
  • F. None of above. chosen

Provenance (4 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_69e11e5113208190ab58c6b595f9d1d0 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15b4c63e88190aeedc326599edd18 completed April 29, 2026, 1:13 a.m.
PD Predicate disambiguation batch_69e898ad961c819098fd1e46129bddcc completed April 22, 2026, 9:45 a.m.
PDg Predicate description generation batch_69e8aa39e3388190b659d59948ebf3e6 completed April 22, 2026, 11 a.m.
Created at: April 16, 2026, 8:48 p.m.