Triple

T21451990

Position	Surface form	Disambiguated ID	Type / Status
Subject	Western Springs, Illinois	`E529231`	entity
Predicate	hasLandmark	`P105`	FINISHED
Object	Western Springs commuter rail 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: Western Springs commuter rail station | Statement: [Western Springs, Illinois, hasLandmark, Western Springs commuter rail station]

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

Target entity: Western Springs commuter rail station
Context triple: [Western Springs, Illinois, hasLandmark, Western Springs commuter rail station]

A. Mount Albert railway station
Mount Albert railway station is a suburban train station in the Mount Albert area of Auckland, New Zealand, serving as a local commuter hub on the city’s rail network.
B. Mount Eden railway station
Mount Eden railway station is a suburban train station in Auckland, New Zealand, serving the Mount Eden area on the city’s rail network.
C. Remuera railway station
Remuera railway station is a suburban train station in Auckland, New Zealand, serving the Remuera area on the city’s commuter rail network.
D. Corio railway station
Corio railway station is a suburban train station in Corio, Victoria, Australia, serving the local community on the Geelong line.
E. Redland railway station
Redland railway station is a suburban railway stop in Bristol, England, serving local commuter services on the Severn Beach Line.
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: Western Springs commuter rail station
Target entity description: Western Springs commuter rail station is a suburban Chicago-area train stop on Metra’s BNSF Line that serves as a key transit hub for residents of Western Springs, Illinois.

A. Mount Albert railway station
Mount Albert railway station is a suburban train station in the Mount Albert area of Auckland, New Zealand, serving as a local commuter hub on the city’s rail network.
B. Mount Eden railway station
Mount Eden railway station is a suburban train station in Auckland, New Zealand, serving the Mount Eden area on the city’s rail network.
C. Remuera railway station
Remuera railway station is a suburban train station in Auckland, New Zealand, serving the Remuera area on the city’s commuter rail network.
D. Corio railway station
Corio railway station is a suburban train station in Corio, Victoria, Australia, serving the local community on the Geelong line.
E. Redland railway station
Redland railway station is a suburban railway stop in Bristol, England, serving local commuter services on the Severn Beach Line.
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_69e0c457579481909db68053ed99750c`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69e9e9d426d88190ae87ae9fac9c30a0`	completed	April 23, 2026, 9:43 a.m.

Created at: April 16, 2026, 6:07 p.m.