Triple

T19181548

Position	Surface form	Disambiguated ID	Type / Status
Subject	Pulaski Road	`E469584`	entity
Predicate	hasCTAStation	`P39430`	FINISHED
Object	Pulaski station (Pink Line)	`—`	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: Pulaski station (Pink Line) | Statement: [Pulaski Road, hasCTAStation, Pulaski station (Pink Line)]

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

Target entity: Pulaski station (Pink Line)
Context triple: [Pulaski Road, hasCTAStation, Pulaski station (Pink Line)]

A. Pulaski station (Blue Line)
Pulaski station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
B. Pulaski station (Green Line)
Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
C. Pulaski station (CTA Green Line)
Pulaski station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop serving the West Garfield Park neighborhood on the city's West Side.
D. Pulaski station (CTA Orange Line)
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
E. Belmont Red/Brown/Purple Line station
Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
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: Pulaski station (Pink Line)
Target entity description: Pulaski station (Pink Line) is a Chicago Transit Authority rapid transit stop on the Pink Line serving the North Lawndale neighborhood on the city's West Side.

A. Pulaski station (Blue Line)
Pulaski station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
B. Pulaski station (Green Line)
Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
C. Pulaski station (CTA Green Line)
Pulaski station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop serving the West Garfield Park neighborhood on the city's West Side.
D. Pulaski station (CTA Orange Line)
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
E. Belmont Red/Brown/Purple Line station
Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
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_69d8dd09d5a081909ae43c286651ae5a`	completed	April 10, 2026, 11:20 a.m.
NER	Named-entity recognition	`batch_69e5f61cab348190965e96ac0f701f9f`	completed	April 20, 2026, 9:47 a.m.

Created at: April 10, 2026, 12:07 p.m.