Triple
T20059696
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metlink |
E499434
|
entity |
| Predicate | railNetworkBrand |
P99839
|
FINISHED |
| Object | Metlink Rail |
—
|
NE NERFINISHED |
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: Metlink Rail | Statement: [Metlink, railNetworkBrand, Metlink Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metlink Rail Context triple: [Metlink, railNetworkBrand, Metlink Rail]
-
A.
Metlink
chosen
Metlink is the public transport brand and coordinating agency for bus, rail, and ferry services in New Zealand’s Wellington region.
-
B.
Tramlink
Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
-
C.
Bayside Trains
Bayside Trains was a former suburban rail operator in Melbourne, Australia, responsible for running metropolitan train services before the network was restructured and rebranded.
-
D.
Nottingham Express Transit
Nottingham Express Transit is a modern tram network serving the city of Nottingham and its surrounding areas in England.
-
E.
Auckland One Rail
Auckland One Rail is the company responsible for operating Auckland’s metropolitan passenger rail services.
- 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: railNetworkBrand Context triple: [Metlink, railNetworkBrand, Metlink Rail]
-
A.
commuterRailBrand
chosen
Indicates that a commuter rail service operates under or is associated with a specific brand or branding identity.
-
B.
railwayCompanyNetwork
Indicates a relationship where a railway company operates, manages, or is responsible for a particular rail network or system.
-
C.
notableTrainBrand
Indicates that an entity is a well-known or significant brand associated with trains or railway services.
-
D.
railwayCompany
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
-
E.
railFranchise
Indicates a contractual relationship in which a company is granted the right to operate rail services or manage rail infrastructure within a specified area or route.
- F. None of above.
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_69da6276bcf48190aabbf279192a5fb4 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66374f4a48190beb575a6c84ebdb4 |
completed | April 20, 2026, 5:33 p.m. |
| PD | Predicate disambiguation | batch_69e54cee7a5c819084ae4ff26419833f |
completed | April 19, 2026, 9:45 p.m. |
Created at: April 11, 2026, 3:38 p.m.