Triple

T14747407
Position Surface form Disambiguated ID Type / Status
Subject South Australian rail network E346507 entity
Predicate historicalOperator P2834 FINISHED
Object South Australian Railways
South Australian Railways was the former government-owned railway operator responsible for developing and running much of South Australia's rail transport system from the 19th to the late 20th century.
E1117973 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: South Australian Railways | Statement: [South Australian rail network, historicalOperator, South Australian Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Australian Railways
Context triple: [South Australian rail network, historicalOperator, South Australian Railways]
  • A. 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.
  • B. Great Southern Railways
    Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
  • C. Great Southern Rail
    Great Southern Rail is an Australian long-distance passenger train operator best known for running iconic interstate services such as The Ghan and the Indian Pacific.
  • D. South Australian rail network
    The South Australian rail network is the system of railway lines and services that connect cities, regional towns, and freight hubs across the state of South Australia and link it to interstate rail systems.
  • E. NSW Government Railways
    NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in 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: South Australian Railways
Triple: [South Australian rail network, historicalOperator, South Australian Railways]
Generated description
South Australian Railways was the former government-owned railway operator responsible for developing and running much of South Australia's rail transport system from the 19th to the late 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Australian Railways
Target entity description: South Australian Railways was the former government-owned railway operator responsible for developing and running much of South Australia's rail transport system from the 19th to the late 20th century.
  • A. 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.
  • B. Great Southern Railways
    Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
  • C. Great Southern Rail
    Great Southern Rail is an Australian long-distance passenger train operator best known for running iconic interstate services such as The Ghan and the Indian Pacific.
  • D. South Australian rail network
    The South Australian rail network is the system of railway lines and services that connect cities, regional towns, and freight hubs across the state of South Australia and link it to interstate rail systems.
  • E. NSW Government Railways
    NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in Australia.
  • 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_69d822e6f1c88190bc494d491a907114 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec7d116e88190828b163b18d80f68 completed April 14, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69fdfb982b5c8190a0340be2186f8b81 completed May 8, 2026, 3:04 p.m.
NEDg Description generation batch_69fdfea2b720819089110c02dbd848bd completed May 8, 2026, 3:17 p.m.
NED2 Entity disambiguation (via description) batch_69fdff1368e48190bc079645996d85d8 completed May 8, 2026, 3:19 p.m.
Created at: April 10, 2026, 1:30 a.m.