Triple
T3256546
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney Trains |
E68309
|
entity |
| Predicate | operatorOf |
P179
|
FINISHED |
| Object | T4 Eastern Suburbs & Illawarra Line |
E344906
|
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: T4 Eastern Suburbs & Illawarra Line | Statement: [Sydney Trains, operatorOf, T4 Eastern Suburbs & Illawarra Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: T4 Eastern Suburbs & Illawarra Line Context triple: [Sydney Trains, operatorOf, T4 Eastern Suburbs & Illawarra Line]
-
A.
T3 Bankstown Line
The T3 Bankstown Line is a suburban passenger rail service in Sydney, Australia, connecting the city’s inner west and south-western suburbs via the Bankstown corridor.
-
B.
T8 Airport & South Line (Sydney Trains)
T8 Airport & South Line (Sydney Trains) is a suburban passenger rail service in Sydney that connects the city centre with the airport and southern suburbs as part of the Sydney Trains network.
-
C.
Greenbush Line
The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
-
D.
Eastern Suburbs railway line
chosen
The Eastern Suburbs railway line is a major suburban rail line in Sydney, Australia, serving the city's eastern suburbs and forming part of the city's key passenger rail network.
-
E.
Pakenham line
The Pakenham line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Pakenham as part of the city’s metropolitan train 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_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_69b2f3c18ac481909bfeb553de1d2a55 |
completed | March 12, 2026, 5:11 p.m. |
Created at: March 8, 2026, 3:09 p.m.