Triple

T556784
Position Surface form Disambiguated ID Type / Status
Subject Main North railway line E11958 entity
Predicate operator P179 FINISHED
Object RailCorp
RailCorp is a New South Wales government-owned rail agency responsible for managing and operating much of Sydney and regional NSW’s passenger rail infrastructure and services.
 E68308 NE FINISHED

How this triple was built (4 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: RailCorp | Statement: [Main North railway line, operator, RailCorp]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: RailCorp
Context triple: [Main North railway line, operator, RailCorp]
  • A. Australian Rail Track Corporation
    The Australian Rail Track Corporation is a government-owned company responsible for managing and maintaining much of Australia's interstate rail network, including key freight and passenger corridors.
  • B. NSW Government Railways
    NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in Australia.
  • C. NSW TrainLink
    NSW TrainLink is a New South Wales government-owned passenger rail and coach service provider that operates regional and intercity routes across the state and into neighboring regions.
  • D. Sydney Trains
    Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
  • E. Transport Asset Holding Entity of New South Wales
    Transport Asset Holding Entity of New South Wales is a state-owned corporation that owns and manages rail and other transport infrastructure assets across New South Wales, Australia.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: RailCorp
Triple: [Main North railway line, operator, RailCorp]
Generated description
RailCorp is a New South Wales government-owned rail agency responsible for managing and operating much of Sydney and regional NSW’s passenger rail infrastructure and services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: RailCorp
Target entity description: RailCorp is a New South Wales government-owned rail agency responsible for managing and operating much of Sydney and regional NSW’s passenger rail infrastructure and services.
  • A. Australian Rail Track Corporation
    The Australian Rail Track Corporation is a government-owned company responsible for managing and maintaining much of Australia's interstate rail network, including key freight and passenger corridors.
  • B. NSW Government Railways
    NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in Australia.
  • C. NSW TrainLink
    NSW TrainLink is a New South Wales government-owned passenger rail and coach service provider that operates regional and intercity routes across the state and into neighboring regions.
  • D. Sydney Trains
    Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
  • E. Transport Asset Holding Entity of New South Wales chosen
    Transport Asset Holding Entity of New South Wales is a state-owned corporation that owns and manages rail and other transport infrastructure assets across New South Wales, Australia.
  • F. None of above.

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_69a4932941d08190815efd422f0b4ca7 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4991ef9b0819092ec0407270373f4 completed March 1, 2026, 7:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4e9bb3b28819099ed0027d948483a completed March 2, 2026, 1:36 a.m.
NEDg Description generation batch_69a4eab98cf08190a0923f42e42667ed completed March 2, 2026, 1:41 a.m.
NED2 Entity disambiguation (via description) batch_69a4eb14d6d88190885d6eac9dfc3db8 completed March 2, 2026, 1:42 a.m.
Created at: March 1, 2026, 7:32 p.m.