Triple
T14078206
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chatswood |
E338794
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object | Sydney Metro City & Southwest (under construction/extension) |
E285303
|
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: Sydney Metro City & Southwest (under construction/extension) | Statement: [Chatswood, railLine, Sydney Metro City & Southwest (under construction/extension)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sydney Metro City & Southwest (under construction/extension) Context triple: [Chatswood, railLine, Sydney Metro City & Southwest (under construction/extension)]
-
A.
Sydney Metro
chosen
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.
-
B.
Sydney light rail
Sydney light rail is a modern tram-based public transport network serving key corridors across inner Sydney and connecting major hubs such as the CBD and southeastern suburbs.
-
C.
Melbourne suburban rail network
The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
-
D.
T2 Inner West & Leppington Line
The T2 Inner West & Leppington Line is a suburban passenger rail service in Sydney, Australia, connecting the Inner West suburbs and Leppington to the central business district and other parts of the metropolitan rail network.
-
E.
Sydney underground railway (City Circle) plan
The Sydney underground railway (City Circle) plan was an early 20th-century scheme for an electrified underground rail loop through central Sydney that became the blueprint for the city’s modern suburban rail network.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5e027881908f610f5bab7598d4 |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb670f51c819088e8d0137f8d3bb1 |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:21 p.m.