Triple
T21586734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | TranzAlpine |
E532669
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Greymouth railway station |
—
|
NE NERFINISHED |
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: Greymouth railway station | Statement: [TranzAlpine, terminus, Greymouth railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greymouth railway station Context triple: [TranzAlpine, terminus, Greymouth railway station]
-
A.
Greymouth railway station
chosen
Greymouth railway station is a key terminus on New Zealand’s South Island, serving the town of Greymouth and acting as the western endpoint for the TranzAlpine scenic rail service.
-
B.
Invercargill railway station
Invercargill railway station is a historic rail terminus in Invercargill, New Zealand, serving as a key southern hub in the country’s railway network.
-
C.
Pukerua Bay railway station
Pukerua Bay railway station is a suburban train stop on New Zealand’s North Island Main Trunk line serving the coastal community of Pukerua Bay, north of Wellington.
-
D.
Arthur's Pass railway station
Arthur's Pass railway station is a rural New Zealand rail stop in the Southern Alps that serves the village of Arthur's Pass and the scenic trans-alpine route between Christchurch and the West Coast.
-
E.
Porirua railway station
Porirua railway station is a key suburban rail stop on New Zealand’s North Island Main Trunk line, serving the city of Porirua near Wellington with commuter and regional train services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c46251648190876f0427cf2d321b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eeeb6137fc8190840b7c1275e62a1d |
completed | April 27, 2026, 4:51 a.m. |
Created at: April 16, 2026, 6:31 p.m.