Triple

T19443929

Position	Surface form	Disambiguated ID	Type / Status
Subject	Western Line (Auckland)	`E486422`	entity
Predicate	hasFormerTerminus	`P28772`	FINISHED
Object	Waitakere railway station	`—`	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: Waitakere railway station | Statement: [Western Line (Auckland), hasFormerTerminus, Waitakere railway station]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Waitakere railway station
Context triple: [Western Line (Auckland), hasFormerTerminus, Waitakere railway station]

A. Karangahape railway station
Karangahape railway station is an underground train station being built as part of Auckland’s City Rail Link project to serve the Karangahape Road area.
B. Otorohanga railway station
Otorohanga railway station is a regional train stop in the town of Otorohanga, New Zealand, serving passengers on the North Island Main Trunk line.
C. Orakei Train Station
Orakei Train Station is a suburban railway station in Auckland, New Zealand, serving the Orakei area along the Eastern Line.
D. Wellington railway station
Wellington railway station is a regional passenger railway station serving the town of Wellington in New South Wales, Australia, on the Main Western line.
E. Wellington railway station
Wellington railway station is a key railway hub in Shropshire, England, providing regional and local train services including connections to the nearby town of Telford.
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: Waitakere railway station
Target entity description: Waitakere railway station was a suburban train station in West Auckland, New Zealand, that formerly served as a key outer terminus on the city’s rail network.

A. Karangahape railway station
Karangahape railway station is an underground train station being built as part of Auckland’s City Rail Link project to serve the Karangahape Road area.
B. Otorohanga railway station
Otorohanga railway station is a regional train stop in the town of Otorohanga, New Zealand, serving passengers on the North Island Main Trunk line.
C. Orakei Train Station
Orakei Train Station is a suburban railway station in Auckland, New Zealand, serving the Orakei area along the Eastern Line.
D. Wellington railway station
Wellington railway station is a regional passenger railway station serving the town of Wellington in New South Wales, Australia, on the Main Western line.
E. Wellington railway station
Wellington railway station is a key railway hub in Shropshire, England, providing regional and local train services including connections to the nearby town of Telford.
F. None of above. chosen

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_69d8e8d7ad488190a3373045029b0f3b`	completed	April 10, 2026, 12:11 p.m.
NER	Named-entity recognition	`batch_69e63387e2048190bfb13fea434ddb46`	completed	April 20, 2026, 2:09 p.m.

Created at: April 10, 2026, 1:38 p.m.