Triple
T3256459
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney–Melbourne rail corridor |
E68307
|
entity |
| Predicate | infrastructureManagerInSection |
P15572
|
FINISHED |
| Object | Australian Rail Track Corporation |
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 | Statement: [Sydney–Melbourne rail corridor, infrastructureManagerInSection, Australian Rail Track Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Australian Rail Track Corporation Context triple: [Sydney–Melbourne rail corridor, infrastructureManagerInSection, Australian Rail Track Corporation]
-
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.
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.
NI Railways
NI Railways is the primary passenger rail operator in Northern Ireland, running the region’s railway network and services.
-
E.
Hitachi Rail
Hitachi Rail is a global rail transport and engineering company that designs, manufactures, and maintains trains and railway systems for urban, intercity, and high-speed networks.
- 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: infrastructureManagerInSection Context triple: [Sydney–Melbourne rail corridor, infrastructureManagerInSection, Australian Rail Track Corporation]
-
A.
infrastructureManager
chosen
Indicates a relationship where one entity is responsible for overseeing, maintaining, or administering the infrastructure of another entity or system.
-
B.
isPartOfInfrastructure
Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
-
C.
parallelInfrastructure
Indicates that two or more infrastructure elements are arranged or operate in parallel to each other, typically serving similar functions simultaneously.
-
D.
infrastructureLevel
Indicates the degree or quality of infrastructure present or provided in relation to an entity or location.
-
E.
hasInfrastructureType
Indicates that an entity possesses or is associated with a specific category or type of infrastructure.
- F. None of above.
Provenance (4 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_69ad858f74408190bcbd07f967cd7bd0 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adaf68b280819087c302d454490c03 |
completed | March 8, 2026, 5:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b28ece1d1c81909bacadecea679a7f |
completed | March 12, 2026, 10 a.m. |
| PD | Predicate disambiguation | batch_69ada41ae74081909a0d1d696be8e35e |
completed | March 8, 2026, 4:30 p.m. |
Created at: March 8, 2026, 3:09 p.m.