Triple

T2271624
Position Surface form Disambiguated ID Type / Status
Subject London Waterloo railway station E50670 entity
Predicate hasAdjacentUndergroundLines P17559 FINISHED
Object Bakerloo line E60074 NE FINISHED

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: Bakerloo line | Statement: [London Waterloo railway station, hasAdjacentUndergroundLines, Bakerloo line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bakerloo line
Context triple: [London Waterloo railway station, hasAdjacentUndergroundLines, Bakerloo line]
  • A. Bakerloo line chosen
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • B. Hammersmith & City line
    The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
  • C. Piccadilly line
    The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
  • D. Jubilee line
    The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
  • E. Northern line
    The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
  • 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: hasAdjacentUndergroundLines
Context triple: [London Waterloo railway station, hasAdjacentUndergroundLines, Bakerloo line]
  • A. hasUndergroundSection
    Indicates that an entity includes a portion or segment that is located below ground level.
  • B. nearUndergroundLine
    Indicates that one entity is located close in distance to an underground (subway/metro) line.
  • C. hasMetroLine chosen
    Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
  • D. hasAdjacentStationOnGreenLine
    Indicates that one station is directly next to another station along the Green Line.
  • E. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • F. None of above.

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_69a88b05910c8190a9a2b1ff230c85f9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc39c6ff0819081a07696f1c29990 completed March 7, 2026, 6:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71db927c8190a76cfb873039b04b completed March 9, 2026, 7:08 a.m.
PD Predicate disambiguation batch_69abbdb7719081909143efa8f48df4e4 completed March 7, 2026, 5:55 a.m.
Created at: March 4, 2026, 7:48 p.m.