Triple
T7057728
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Werribee line |
E164136
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Metro Trains Melbourne |
E158336
|
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: Metro Trains Melbourne | Statement: [Werribee line, operator, Metro Trains Melbourne]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Trains Melbourne Context triple: [Werribee line, operator, Metro Trains Melbourne]
-
A.
Metro Trains Melbourne
chosen
Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
-
B.
Yarra Trams
Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
-
C.
Melbourne tram network
The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
-
D.
TPG tram network
The TPG tram network is the urban tram system serving Geneva, Switzerland, operated by Transports Publics Genevois as part of the city’s public transport network.
-
E.
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.
- 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_69c68861678881909961ddf4d779f750 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e26a130c81908bdad15f5c4ae15d |
completed | March 27, 2026, 8:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7d372ca248190bd5aa6b1648199f2 |
completed | March 28, 2026, 1:11 p.m. |
Created at: March 27, 2026, 2:38 p.m.