Triple
T6863405
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro Trains Melbourne |
E158336
|
entity |
| Predicate | maintainsInfrastructureFor |
P11065
|
FINISHED |
| Object | Melbourne metropolitan rail network |
E158337
|
NE FINISHED |
How this triple was built (3 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: Melbourne metropolitan rail network | Statement: [Metro Trains Melbourne, maintainsInfrastructureFor, Melbourne metropolitan rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Melbourne metropolitan rail network Context triple: [Metro Trains Melbourne, maintainsInfrastructureFor, Melbourne metropolitan rail network]
-
A.
Melbourne suburban rail network
chosen
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.
-
B.
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.
-
C.
Sydney Metro
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.
-
D.
Melbourne Underground Rail Loop
The Melbourne Underground Rail Loop is a major underground railway system in central Melbourne that routes suburban train lines through a series of tunnels and city stations to improve capacity and connectivity.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: maintainsInfrastructureFor Context triple: [Metro Trains Melbourne, maintainsInfrastructureFor, Melbourne metropolitan rail network]
-
A.
supportsInfrastructure
chosen
Indicates that one entity provides resources, services, or capabilities that enable the operation, maintenance, or development of another entity’s infrastructure.
-
B.
isPartOfInfrastructure
Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
-
C.
usesInfrastructure
Indicates that one entity makes use of, depends on, or operates through the infrastructure provided or managed by another entity.
-
D.
infrastructureRole
Indicates that one entity serves a specific infrastructural function or capacity in relation to another entity.
-
E.
parallelInfrastructure
Indicates that two or more infrastructure elements are arranged or operate in parallel to each other, typically serving similar functions simultaneously.
- F. None of above.
Provenance (4 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_69c68830cdbc8190a8301c7a9d9f651a |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6da3ce95081909a424ac04bc7fa07 |
completed | March 27, 2026, 7:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c748bcb4048190b3860ffdd962d48c |
completed | March 28, 2026, 3:19 a.m. |
| PD | Predicate disambiguation | batch_69c6d7b168908190b2f7c724b1bc7fc9 |
completed | March 27, 2026, 7:17 p.m. |
Created at: March 27, 2026, 2:21 p.m.