Triple
T22638930
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jefferson Park |
E558765
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Metra Jefferson Park 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: Metra Jefferson Park station | Statement: [Jefferson Park, connectsTo, Metra Jefferson Park station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra Jefferson Park station Context triple: [Jefferson Park, connectsTo, Metra Jefferson Park station]
-
A.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
B.
Indian Hill Metra station
Indian Hill Metra station is a commuter rail stop on Metra's Union Pacific North Line serving residents of Winnetka, Illinois, and the surrounding North Shore suburbs of Chicago.
-
C.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
D.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
E.
Ravenswood Metra station
Ravenswood Metra station is a commuter rail stop on Metra's Union Pacific North Line serving Chicago's Ravenswood 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: Metra Jefferson Park station Target entity description: Metra Jefferson Park station is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key stop on Metra’s Union Pacific Northwest Line.
-
A.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
B.
Indian Hill Metra station
Indian Hill Metra station is a commuter rail stop on Metra's Union Pacific North Line serving residents of Winnetka, Illinois, and the surrounding North Shore suburbs of Chicago.
-
C.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
D.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
E.
Ravenswood Metra station
Ravenswood Metra station is a commuter rail stop on Metra's Union Pacific North Line serving Chicago's Ravenswood 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_69e24547f7fc819086e2c4ba3b979657 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1700f9fac8190b82190a54be22413 |
completed | April 29, 2026, 2:42 a.m. |
Created at: April 17, 2026, 3:04 p.m.