Triple
T17608645
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pace Route 423 Linden CTA/The Glen/Harlem CTA |
E428905
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | CTA Purple Line at Linden 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: CTA Purple Line at Linden station | Statement: [Pace Route 423 Linden CTA/The Glen/Harlem CTA, connectsTo, CTA Purple Line at Linden station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Purple Line at Linden station Context triple: [Pace Route 423 Linden CTA/The Glen/Harlem CTA, connectsTo, CTA Purple Line at Linden station]
-
A.
CTA Purple Line
The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
-
B.
Central station (CTA Purple Line)
Central station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line located in Evanston, Illinois.
-
C.
Chicago Avenue station (CTA Purple Line)
Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
-
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 Transit Authority Purple Line stations
Chicago Transit Authority Purple Line stations are the rapid transit stops in the Chicago 'L' system served by the Purple Line, which runs between the northern suburbs and downtown 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: CTA Purple Line at Linden station Target entity description: The CTA Purple Line at Linden station is the northern terminal of Chicago's Purple Line rapid transit service, located in Wilmette and providing connections between the North Shore suburbs and downtown Chicago.
-
A.
CTA Purple Line
The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
-
B.
Central station (CTA Purple Line)
Central station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line located in Evanston, Illinois.
-
C.
Chicago Avenue station (CTA Purple Line)
Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
-
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 Transit Authority Purple Line stations
Chicago Transit Authority Purple Line stations are the rapid transit stops in the Chicago 'L' system served by the Purple Line, which runs between the northern suburbs and downtown 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_69d889e1c6148190ba76241e74688f8b |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e46c4d8374819097cb112fba405e77 |
completed | April 19, 2026, 5:46 a.m. |
Created at: April 10, 2026, 5:51 a.m.