Triple
T21381121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Damen Avenue |
E527356
|
entity |
| Predicate | hasTransitStation |
P726
|
FINISHED |
| Object | Damen station (CTA Blue Line – Congress branch, closed) |
—
|
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: Damen station (CTA Blue Line – Congress branch, closed) | Statement: [Damen Avenue, hasTransitStation, Damen station (CTA Blue Line – Congress branch, closed)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Damen station (CTA Blue Line – Congress branch, closed) Context triple: [Damen Avenue, hasTransitStation, Damen station (CTA Blue Line – Congress branch, closed)]
-
A.
Damen (CTA Pink Line station)
Damen is a Chicago Transit Authority Pink Line rapid transit station serving the Lower West Side neighborhood near the Pilsen area.
-
B.
CTA Blue Line at Harlem station
CTA Blue Line at Harlem station is a rapid transit stop on Chicago’s Blue Line serving the city’s Northwest Side and nearby suburbs with connections to local and regional bus routes.
-
C.
Damen (Brown Line) station
Damen (Brown Line) station is an elevated Chicago 'L' rapid transit stop in the city's North Side, serving the Brown Line.
-
D.
Damen (O'Hare branch)
Damen (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line's O'Hare branch serving the city's Wicker Park/Bucktown area.
-
E.
Division station (CTA Blue Line)
Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
- 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: Damen station (CTA Blue Line – Congress branch, closed) Target entity description: Damen station (CTA Blue Line – Congress branch, closed) was a former Chicago Transit Authority rapid transit stop on the Blue Line’s Congress branch located along Damen Avenue in Chicago.
-
A.
Damen (CTA Pink Line station)
Damen is a Chicago Transit Authority Pink Line rapid transit station serving the Lower West Side neighborhood near the Pilsen area.
-
B.
CTA Blue Line at Harlem station
CTA Blue Line at Harlem station is a rapid transit stop on Chicago’s Blue Line serving the city’s Northwest Side and nearby suburbs with connections to local and regional bus routes.
-
C.
Damen (Brown Line) station
Damen (Brown Line) station is an elevated Chicago 'L' rapid transit stop in the city's North Side, serving the Brown Line.
-
D.
Damen (O'Hare branch)
Damen (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line's O'Hare branch serving the city's Wicker Park/Bucktown area.
-
E.
Division station (CTA Blue Line)
Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
- 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_69e0b51f363c8190944000ab5523b02b |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b0cec99881908481d0b08df358a8 |
completed | April 22, 2026, 11:28 a.m. |
Created at: April 16, 2026, 5:11 p.m.