Triple
T797705
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (CTA) |
E17058
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Cermak–McCormick Place station
Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
|
E107410
|
NE FINISHED |
How this triple was built (4 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: Cermak–McCormick Place station | Statement: [Green Line (CTA), servesStation, Cermak–McCormick Place station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cermak–McCormick Place station Context triple: [Green Line (CTA), servesStation, Cermak–McCormick Place station]
-
A.
Westlake/MacArthur Park station
Westlake/MacArthur Park station is a major Los Angeles Metro Rail subway stop near downtown Los Angeles, serving as a busy transit hub for the surrounding Westlake and MacArthur Park neighborhoods.
-
B.
UIC–Halsted station
UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
-
C.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
-
D.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Cermak–McCormick Place station Triple: [Green Line (CTA), servesStation, Cermak–McCormick Place station]
Generated description
Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cermak–McCormick Place station Target entity description: Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
-
A.
Westlake/MacArthur Park station
Westlake/MacArthur Park station is a major Los Angeles Metro Rail subway stop near downtown Los Angeles, serving as a busy transit hub for the surrounding Westlake and MacArthur Park neighborhoods.
-
B.
UIC–Halsted station
UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
-
C.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
-
D.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
-
E.
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.
- F. None of above. chosen
Provenance (5 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_69a49378b9c48190adbf5f62e5b7aca1 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a7b342888190a344fe81a2c9f33c |
completed | March 1, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c70e6eb48190b019759cd656e629 |
completed | March 4, 2026, 5:45 a.m. |
| NEDg | Description generation | batch_69a7c896d1c481909493a1bc4e6266e3 |
completed | March 4, 2026, 5:52 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7c918ebbc81908ad58bb8045543e6 |
completed | March 4, 2026, 5:54 a.m. |
Created at: March 1, 2026, 7:38 p.m.