Triple
T14821006
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney to Blue Mountains Intercity Line |
E348449
|
entity |
| Predicate | majorStop |
P29762
|
FINISHED |
| Object | Katoomba railway station |
E388449
|
NE FINISHED |
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: Katoomba railway station | Statement: [Sydney to Blue Mountains Intercity Line, majorStop, Katoomba railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Katoomba railway station Context triple: [Sydney to Blue Mountains Intercity Line, majorStop, Katoomba railway station]
-
A.
Katoomba railway station
chosen
Katoomba railway station is a heritage-listed train station in the Blue Mountains region of New South Wales, Australia, serving the town of Katoomba on the Main Western line.
-
B.
Queanbeyan railway station
Queanbeyan railway station is a regional New South Wales train station serving the city of Queanbeyan on the Canberra–Sydney rail corridor.
-
C.
Ourimbah railway station
Ourimbah railway station is a regional New South Wales train station on the Central Coast & Newcastle Line, serving the suburb of Ourimbah between Gosford and Newcastle.
-
D.
Gundagai railway station
Gundagai railway station is a historic former railway station in Gundagai, New South Wales, Australia, notable for serving the town on the Tumut branch line and retaining significant heritage railway architecture.
-
E.
Wallangarra railway station
Wallangarra railway station is a historic border railway station in Queensland, Australia, notable for its dual-gauge platforms that once served as the break-of-gauge point between Queensland and New South Wales rail systems.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d822eb8f588190bf53445e730a934f |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69decfe64328819083ce42704cf0602d |
completed | April 14, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe389bc06c8190a8269c07677d9c35 |
completed | May 8, 2026, 7:25 p.m. |
Created at: April 10, 2026, 1:50 a.m.