Triple

T21362228

Position	Surface form	Disambiguated ID	Type / Status
Subject	Montrose Avenue	`E526810`	entity
Predicate	hasPublicTransitStation	`P15438`	FINISHED
Object	Montrose station (CTA Brown 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: Montrose station (CTA Brown Line) | Statement: [Montrose Avenue, hasPublicTransitStation, Montrose station (CTA Brown Line)]

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

Target entity: Montrose station (CTA Brown Line)
Context triple: [Montrose Avenue, hasPublicTransitStation, Montrose station (CTA Brown Line)]

A. Monroe (CTA Red Line station)
Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
B. Morse station (CTA Red Line)
Morse station (CTA Red Line) is an elevated rapid transit stop on Chicago's Red Line serving the Rogers Park neighborhood on the city's North Side.
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. Chicago Avenue station (CTA Brown Line)
Chicago Avenue station (CTA Brown Line) is an elevated Chicago Transit Authority rapid transit stop on the Brown Line serving the Near North Side of Chicago.
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: Montrose station (CTA Brown Line)
Target entity description: Montrose station (CTA Brown Line) is an elevated Chicago 'L' rapid transit stop on the Brown Line serving the North Center/Lincoln Square area.

A. Monroe (CTA Red Line station)
Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
B. Morse station (CTA Red Line)
Morse station (CTA Red Line) is an elevated rapid transit stop on Chicago's Red Line serving the Rogers Park neighborhood on the city's North Side.
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. Chicago Avenue station (CTA Brown Line)
Chicago Avenue station (CTA Brown Line) is an elevated Chicago Transit Authority rapid transit stop on the Brown Line serving the Near North Side of Chicago.
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_69e0b51d8a308190b09113b3b3f9bc15`	completed	April 16, 2026, 10:08 a.m.
NER	Named-entity recognition	`batch_69e8b06b219c81908f7674ae459e7931`	completed	April 22, 2026, 11:26 a.m.

Created at: April 16, 2026, 5:08 p.m.