Triple
T17870447
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Northern railway line, New South Wales |
E446821
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Sydney Trains |
—
|
NE NERFINISHED |
How this triple was built (2 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: Sydney Trains | Statement: [Main Northern railway line, New South Wales, operator, Sydney Trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sydney Trains Context triple: [Main Northern railway line, New South Wales, operator, Sydney Trains]
-
A.
Sydney Trains
chosen
Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
-
B.
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.
-
C.
Griffith–Sydney rail service
The Griffith–Sydney rail service is a regional passenger train route in New South Wales that connects the inland city of Griffith with the state capital, Sydney.
-
D.
Sydney Metro
Sydney Metro is a fully automated rapid transit system serving the Sydney metropolitan area, designed to provide high-frequency, high-capacity rail services independent of the existing suburban train network.
-
E.
NSW TrainLink Hunter Line services
NSW TrainLink Hunter Line services are regional passenger train services in New South Wales that operate on the Hunter Valley rail network, connecting Newcastle with surrounding towns and communities.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9f4c22c819093c2680434472894 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e49aa24c8481909de38953a88ff615 |
completed | April 19, 2026, 9:04 a.m. |
Created at: April 10, 2026, 10:18 a.m.