Triple
T6557365
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cermak Road |
E152482
|
entity |
| Predicate | hasCTAStationAt |
P726
|
FINISHED |
| Object | Cermak–McCormick Place station |
E107410
|
NE FINISHED |
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: Cermak–McCormick Place station | Statement: [Cermak Road, hasCTAStationAt, Cermak–McCormick Place station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cermak–McCormick Place station Context triple: [Cermak Road, hasCTAStationAt, Cermak–McCormick Place station]
-
A.
Cermak–McCormick Place station
chosen
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.
-
B.
Washington/Wabash station (CTA)
Washington/Wabash station (CTA) is an elevated Chicago 'L' station in the Loop serving the Brown, Green, Orange, Pink, and Purple Lines.
-
C.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
D.
Clark/Lake station (CTA)
Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
-
E.
Sedgwick station (Chicago "L")
Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasCTAStationAt Context triple: [Cermak Road, hasCTAStationAt, Cermak–McCormick Place station]
-
A.
hasEndpointStation
Indicates that something (such as a route, line, or service) has a specific station as one of its terminal endpoints.
-
B.
hasRailStation
chosen
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
D.
servesAsThroughStationFor
Indicates that a station functions as an intermediate (through) stop for a particular service, route, or journey rather than as its starting or ending point.
-
E.
hasAidStations
Indicates that one entity provides or contains aid or support stations for another entity or within a specified context.
- F. None of above.
Provenance (4 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_69c688058d6881908c19b309cc55dbfa |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6c1b15d3481908ae66e3d7564b352 |
completed | March 27, 2026, 5:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6d559ad4881909c1e7712d84945f6 |
completed | March 27, 2026, 7:07 p.m. |
| PD | Predicate disambiguation | batch_69c6acf6d4148190914b19e9affd8c76 |
completed | March 27, 2026, 4:14 p.m. |
Created at: March 27, 2026, 1:52 p.m.