Triple

T19232421
Position Surface form Disambiguated ID Type / Status
Subject Melbourne W-class tram E480903 entity
Predicate operator P179 FINISHED
Object Melbourne & Metropolitan Tramways Board — 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: Melbourne & Metropolitan Tramways Board | Statement: [Melbourne W-class tram, operator, Melbourne & Metropolitan Tramways Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Melbourne & Metropolitan Tramways Board
Context triple: [Melbourne W-class tram, operator, Melbourne & Metropolitan Tramways Board]
  • A. Bendigo Tramways
    Bendigo Tramways is a historic tram network and tourist attraction in Bendigo, Victoria, known for operating heritage trams and preserving the city’s tramway history.
  • B. Mass Transit Railway Corporation
    Mass Transit Railway Corporation was the original government-owned operator of Hong Kong’s urban rail network before its reorganization into the MTR Corporation.
  • C. Victorian Railways
    Victorian Railways was the former state-owned railway operator in Victoria, Australia, responsible for running most of the state's passenger and freight train services for much of the 19th and 20th centuries.
  • D. Yarra Trams
    Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
  • E. Anglo-Argentine Tramways Company
    The Anglo-Argentine Tramways Company was a British-owned transportation firm that developed and operated much of Buenos Aires’ early electric tram and subway network in the late 19th and early 20th centuries.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Melbourne & Metropolitan Tramways Board
Target entity description: The Melbourne & Metropolitan Tramways Board was the public authority responsible for operating and developing Melbourne’s extensive electric tram network throughout much of the 20th century.
  • A. Bendigo Tramways
    Bendigo Tramways is a historic tram network and tourist attraction in Bendigo, Victoria, known for operating heritage trams and preserving the city’s tramway history.
  • B. Mass Transit Railway Corporation
    Mass Transit Railway Corporation was the original government-owned operator of Hong Kong’s urban rail network before its reorganization into the MTR Corporation.
  • C. Victorian Railways
    Victorian Railways was the former state-owned railway operator in Victoria, Australia, responsible for running most of the state's passenger and freight train services for much of the 19th and 20th centuries.
  • D. Yarra Trams
    Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
  • E. Anglo-Argentine Tramways Company
    The Anglo-Argentine Tramways Company was a British-owned transportation firm that developed and operated much of Buenos Aires’ early electric tram and subway network in the late 19th and early 20th centuries.
  • F. None of above. chosen

Provenance (2 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_69d8e8ccb8f48190ad420098e74fb1db completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa9db56081908f50d318d7fc9eaa completed April 20, 2026, 10:06 a.m.
Created at: April 10, 2026, 1:25 p.m.