Triple
T548208
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Southern railway line |
E12777
|
entity |
| Predicate | infrastructureManager |
P15572
|
FINISHED |
| Object | Australian Rail Track Corporation (interstate sections) |
E68310
|
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: Australian Rail Track Corporation (interstate sections) | Statement: [Main Southern railway line, infrastructureManager, Australian Rail Track Corporation (interstate sections)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Australian Rail Track Corporation (interstate sections) Context triple: [Main Southern railway line, infrastructureManager, Australian Rail Track Corporation (interstate sections)]
-
A.
Australian Rail Track Corporation
chosen
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.
Sydney–Melbourne rail corridor
The Sydney–Melbourne rail corridor is a major intercity railway route linking Australia’s two largest cities and serving as a key passenger and freight transport spine in southeastern Australia.
-
C.
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.
-
D.
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.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: infrastructureManager Context triple: [Main Southern railway line, infrastructureManager, Australian Rail Track Corporation (interstate sections)]
-
A.
usesInfrastructure
Indicates that one entity makes use of, depends on, or operates through the infrastructure provided or managed by another entity.
-
B.
hasInfrastructureType
Indicates that an entity possesses or is associated with a specific category or type of infrastructure.
-
C.
supportsInfrastructure
Indicates that one entity provides resources, services, or capabilities that enable the operation, maintenance, or development of another entity’s infrastructure.
-
D.
infraorder
Indicates a taxonomic relationship where one entity is classified as an infraorder, a rank below suborder and above superfamily, within the biological hierarchy of another entity.
-
E.
significantInfrastructure
Indicates that an entity constitutes an important or critical piece of infrastructure within a system, network, or region.
- 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_69a4e02e0c1c81908fcb5356dc2b8f97 |
completed | March 2, 2026, 12:56 a.m. |
| PD | Predicate disambiguation | batch_69a494b957988190bc269e372df2f0b2 |
completed | March 1, 2026, 7:34 p.m. |
| PDg | Predicate description generation | batch_69a49858abd48190bd4b002a93e4a908 |
completed | March 1, 2026, 7:49 p.m. |
Created at: March 1, 2026, 7:32 p.m.