Triple

T548186
Position Surface form Disambiguated ID Type / Status
Subject Main Southern railway line E12777 entity
Predicate operator P179 FINISHED
Object 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.
E68310 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: Australian Rail Track Corporation | Statement: [Main Southern railway line, operator, Australian Rail Track Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Australian Rail Track Corporation
Context triple: [Main Southern railway line, operator, Australian Rail Track Corporation]
  • A. Rail Delivery Group
    Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
  • B. Canadian National Railway
    Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
  • C. Railtrack
    Railtrack was the former private owner and operator of most of Britain’s railway infrastructure, which was later replaced by the publicly owned Network Rail after financial and safety controversies.
  • D. Network Rail
    Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
  • E. Alstom (formerly Bombardier Transportation)
    Alstom (formerly Bombardier Transportation) is a major global rail transport manufacturer known for producing trains, trams, and related railway systems and equipment.
  • 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: Australian Rail Track Corporation
Triple: [Main Southern railway line, operator, Australian Rail Track Corporation]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Australian Rail Track Corporation
Target entity description: 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.
  • A. Rail Delivery Group
    Rail Delivery Group is the industry body that represents and coordinates Britain’s passenger and freight train operators and Network Rail, working to improve and manage the national rail system.
  • B. Canadian National Railway
    Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
  • C. Railtrack
    Railtrack was the former private owner and operator of most of Britain’s railway infrastructure, which was later replaced by the publicly owned Network Rail after financial and safety controversies.
  • D. Network Rail
    Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
  • E. Alstom (formerly Bombardier Transportation)
    Alstom (formerly Bombardier Transportation) is a major global rail transport manufacturer known for producing trains, trams, and related railway systems and equipment.
  • 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_69a49334226c81908b0ea1689ef6aa3f completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49900895c819092a131c185a758bf completed March 1, 2026, 7:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4d044b03c8190b7c87b0da05e4d6e completed March 1, 2026, 11:48 p.m.
NEDg Description generation batch_69a4d0daca588190a6a1865ae3d12c71 completed March 1, 2026, 11:50 p.m.
NED2 Entity disambiguation (via description) batch_69a4d18801248190afedd4ea5f718bd7 completed March 1, 2026, 11:53 p.m.
Created at: March 1, 2026, 7:32 p.m.