Triple

T12642174
Position Surface form Disambiguated ID Type / Status
Subject Lambeth North Underground station E301924 entity
Predicate lineOpeningOperator P106148 FINISHED
Object Baker Street and Waterloo Railway E305908 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: Baker Street and Waterloo Railway | Statement: [Lambeth North Underground station, lineOpeningOperator, Baker Street and Waterloo Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baker Street and Waterloo Railway
Context triple: [Lambeth North Underground station, lineOpeningOperator, Baker Street and Waterloo Railway]
  • A. Baker Street and Waterloo Railway chosen
    The Baker Street and Waterloo Railway was one of London's early deep-level tube railways, later incorporated into the Bakerloo line of the London Underground.
  • B. Baker Street station
    Baker Street station is a historic London Underground station in central London, famously associated with Sherlock Holmes and serving multiple tube lines.
  • C. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • D. Charing Cross, Euston and Hampstead Railway
    The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
  • E. Great Northern, Piccadilly and Brompton Railway
    The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
  • 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: lineOpeningOperator
Context triple: [Lambeth North Underground station, lineOpeningOperator, Baker Street and Waterloo Railway]
  • A. lineOpeningContext
    Indicates the contextual situation or circumstances present at the moment a line (e.g., of dialogue, text, or code) begins.
  • B. openingOperator
    Indicates that an entity initiates or performs the action of opening another entity or resource.
  • C. lineBOpened
    Indicates that a specific line B has been opened or activated, transitioning from a closed or inactive state.
  • D. lineOpeningPhase
    Indicates the phase or stage during which a line (such as a service, process, or system) is initially opened or brought into operation.
  • E. originalLineOpened
    Indicates that a transportation or service line began its initial operation or was first opened for use.
  • F. None of above. chosen

Provenance (5 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d961ae493481908f82e0d05dce20bd completed April 10, 2026, 8:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6687770388190b4777885dae8a38f completed May 2, 2026, 9:11 p.m.
PD Predicate disambiguation batch_69d960b47130819097e1162ed4fc993a completed April 10, 2026, 8:42 p.m.
PDg Predicate description generation batch_69d961acadb8819098de743bc951fedb completed April 10, 2026, 8:46 p.m.
Created at: April 9, 2026, 5:17 p.m.