Triple

T20088510
Position Surface form Disambiguated ID Type / Status
Subject West Harrow Underground station E496201 entity
Predicate followingStationOnMetropolitanLineTowardsAldgate P138674 FINISHED
Object Harrow-on-the-Hill Underground station 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: Harrow-on-the-Hill Underground station | Statement: [West Harrow Underground station, followingStationOnMetropolitanLineTowardsAldgate, Harrow-on-the-Hill Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harrow-on-the-Hill Underground station
Context triple: [West Harrow Underground station, followingStationOnMetropolitanLineTowardsAldgate, Harrow-on-the-Hill Underground station]
  • A. Harrow-on-the-Hill Underground station chosen
    Harrow-on-the-Hill Underground station is a major London Underground and National Rail interchange in northwest London, serving as a key hub on the Metropolitan line.
  • B. North Harrow Underground station
    North Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban area of North Harrow in northwest London.
  • C. West Harrow Underground station
    West Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban West Harrow area in the London Borough of Harrow.
  • D. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • E. Balham Underground station
    Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
  • 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: followingStationOnMetropolitanLineTowardsAldgate
Context triple: [West Harrow Underground station, followingStationOnMetropolitanLineTowardsAldgate, Harrow-on-the-Hill Underground station]
  • A. adjacentStationTowardsLondonBridge
    Indicates that one station is directly next to another along the rail line in the direction heading toward London Bridge.
  • B. adjacentStationOnCentralLineTowardsEast
    Indicates that one station is directly next to another along the Central Line in the eastbound direction.
  • C. adjacentStationTowardsStrood
    Indicates that one station is directly next to another in the direction of Strood along a railway line.
  • D. adjacentStationOnBakerlooLine
    Indicates that one station is directly next to another station along the Bakerloo Line, with no other stations in between.
  • E. adjacentStationOnNorthernLine
    Indicates that one station is directly next to another station along the Northern Line, with no other stations in between.
  • 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6655d65a88190a510132f36341b6c completed April 20, 2026, 5:41 p.m.
PD Predicate disambiguation batch_69e54cf369b88190931532420517dac7 completed April 19, 2026, 9:45 p.m.
PDg Predicate description generation batch_69e54fc20888819083c9118a09d0d2dc completed April 19, 2026, 9:57 p.m.
Created at: April 11, 2026, 11:17 p.m.