Triple

T12557418
Position Surface form Disambiguated ID Type / Status
Subject Upminster Depot E295253 entity
Predicate servesTerminus P20599 FINISHED
Object Upminster Underground station E908281 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: Upminster Underground station | Statement: [Upminster Depot, servesTerminus, Upminster Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Upminster Underground station
Context triple: [Upminster Depot, servesTerminus, Upminster Underground station]
  • A. Upminster station chosen
    Upminster station is a major transport hub in east London serving as an interchange between National Rail services and the eastern terminus of the London Underground’s District line.
  • B. Upton Park Underground station
    Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
  • C. 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.
  • D. Shoreditch High Street station
    Shoreditch High Street station is an East London Overground railway station serving the Shoreditch area, known for its proximity to the vibrant Brick Lane and surrounding creative and nightlife districts.
  • E. Highgate Underground Station
    Highgate Underground Station is a London Underground station in north London serving the Northern line and the Highgate area.
  • 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: servesTerminus
Context triple: [Upminster Depot, servesTerminus, Upminster Underground station]
  • A. locatedAtTerminusOf
    Indicates that one entity is situated at the end point or final terminus of another entity, such as a route, line, or path.
  • B. servesTerminal chosen
    Indicates that one entity functions as a terminal or endpoint facility that is served or operated by another entity.
  • C. terminus
    Indicates that one entity serves as the final endpoint or stopping place for another entity’s movement, route, or process.
  • D. formerTerminusFor
    Indicates that a location once served as the endpoint or final stop of a route, line, or service, but no longer holds that status.
  • E. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • 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_69d6ad9cac2c81908e8a7bed82d1e21d completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d95f5507b481908d13cc317b7402f6 completed April 10, 2026, 8:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6a537bb1881908a50073d4f27b66c completed May 3, 2026, 1:30 a.m.
PD Predicate disambiguation batch_69d95410d0b0819097646edd1b837104 completed April 10, 2026, 7:48 p.m.
Created at: April 8, 2026, 11:47 p.m.