Triple
T21365108
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago "L" Green Line |
E526887
|
entity |
| Predicate | servesLandmark |
P7126
|
FINISHED |
| Object | Illinois Medical District (via connecting buses from West Side stations) |
—
|
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: Illinois Medical District (via connecting buses from West Side stations) | Statement: [Chicago "L" Green Line, servesLandmark, Illinois Medical District (via connecting buses from West Side stations)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Illinois Medical District (via connecting buses from West Side stations) Context triple: [Chicago "L" Green Line, servesLandmark, Illinois Medical District (via connecting buses from West Side stations)]
-
A.
Chicago West Side transportation network
The Chicago West Side transportation network is the interconnected system of roads, transit lines, and related infrastructure serving the western neighborhoods of Chicago.
-
B.
Brown Line (via transfer stations)
The Brown Line (via transfer stations) is a Chicago 'L' rapid transit route serving the city's North Side and downtown Loop, accessible from the Green Line South Side Main Line through designated transfer points.
-
C.
Millennium Station (via Metra Electric District line)
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
-
D.
Orange Line (via transfer stations)
The Orange Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be accessed from the Green Line South Side Main Line through designated interchange stations.
-
E.
Metra commuter rail services at Chicago Union Station
Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
- 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: Illinois Medical District (via connecting buses from West Side stations) Target entity description: The Illinois Medical District is a major healthcare and research hub on Chicago’s West Side that includes several hospitals, medical schools, and related facilities.
-
A.
Chicago West Side transportation network
The Chicago West Side transportation network is the interconnected system of roads, transit lines, and related infrastructure serving the western neighborhoods of Chicago.
-
B.
Brown Line (via transfer stations)
The Brown Line (via transfer stations) is a Chicago 'L' rapid transit route serving the city's North Side and downtown Loop, accessible from the Green Line South Side Main Line through designated transfer points.
-
C.
Millennium Station (via Metra Electric District line)
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
-
D.
Orange Line (via transfer stations)
The Orange Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be accessed from the Green Line South Side Main Line through designated interchange stations.
-
E.
Metra commuter rail services at Chicago Union Station
Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
- 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_69e8b06e1ba081908a96928a65da5fa2 |
completed | April 22, 2026, 11:26 a.m. |
Created at: April 16, 2026, 5:09 p.m.