Triple
T19029480
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gisborne railway station |
E465696
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | New Zealand Railways Department |
—
|
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: New Zealand Railways Department | Statement: [Gisborne railway station, formerOperator, New Zealand Railways Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Zealand Railways Department Context triple: [Gisborne railway station, formerOperator, New Zealand Railways Department]
-
A.
New Zealand Railways Corporation
New Zealand Railways Corporation is a New Zealand state-owned enterprise that historically managed the country’s rail infrastructure and services before their transfer to KiwiRail and other entities.
-
B.
KiwiRail
KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
-
C.
New Zealand Public Works Department
The New Zealand Public Works Department was a former government agency responsible for designing and constructing major public infrastructure projects, including hydroelectric power stations, throughout New Zealand.
-
D.
New Zealand rail network
The New Zealand rail network is the nationwide system of railway lines and services that connects major cities, ports, and regions across New Zealand for freight and passenger transport.
-
E.
Canterbury provincial railways
Canterbury provincial railways were an early network of government-built rail lines in New Zealand’s Canterbury region that laid the foundation for later national railway routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New Zealand Railways Department Target entity description: The New Zealand Railways Department was the former government agency responsible for owning, operating, and developing New Zealand’s national railway network and related transport services.
-
A.
New Zealand Railways Corporation
chosen
New Zealand Railways Corporation is a New Zealand state-owned enterprise that historically managed the country’s rail infrastructure and services before their transfer to KiwiRail and other entities.
-
B.
KiwiRail
KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
-
C.
New Zealand Public Works Department
The New Zealand Public Works Department was a former government agency responsible for designing and constructing major public infrastructure projects, including hydroelectric power stations, throughout New Zealand.
-
D.
New Zealand rail network
The New Zealand rail network is the nationwide system of railway lines and services that connects major cities, ports, and regions across New Zealand for freight and passenger transport.
-
E.
Canterbury provincial railways
Canterbury provincial railways were an early network of government-built rail lines in New Zealand’s Canterbury region that laid the foundation for later national railway routes.
- F. None of above.
Provenance (2 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_69d8dd0359648190bc2a9202c5cf29d2 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d73f98dc81909acbb366f00d2d54 |
completed | April 20, 2026, 7:35 a.m. |
Created at: April 10, 2026, 12:02 p.m.