Triple
T14820990
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney to Blue Mountains Intercity Line |
E348449
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Lithgow railway station |
E1096288
|
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: Lithgow railway station | Statement: [Sydney to Blue Mountains Intercity Line, terminus, Lithgow railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lithgow railway station Context triple: [Sydney to Blue Mountains Intercity Line, terminus, Lithgow railway station]
-
A.
Lithgow railway station
chosen
Lithgow railway station is a regional New South Wales train station serving the town of Lithgow as a key terminus on the Blue Mountains railway line west of Sydney.
-
B.
Wollongong railway station
Wollongong railway station is a major suburban and intercity train station in Wollongong, New South Wales, serving as a key transport hub on the South Coast of Australia.
-
C.
Katoomba railway station
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.
-
D.
Woy Woy railway station
Woy Woy railway station is a key suburban train station on the Central Coast of New South Wales, Australia, serving the town of Woy Woy on the Main Northern line.
-
E.
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.
- 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.