Triple
T6557366
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cermak Road |
E152482
|
entity |
| Predicate | hasCTAStationAt |
P726
|
FINISHED |
| Object |
Cermak–Chinatown station
Cermak–Chinatown station is a Chicago 'L' rapid transit stop on the Red Line that serves the city's Chinatown neighborhood near Cermak Road.
|
E607654
|
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–Chinatown station | Statement: [Cermak Road, hasCTAStationAt, Cermak–Chinatown station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cermak–Chinatown station Context triple: [Cermak Road, hasCTAStationAt, Cermak–Chinatown station]
-
A.
54th/Cermak station
54th/Cermak station is a Chicago 'L' rapid transit stop in Cicero, Illinois, serving as the western terminal of the CTA Pink Line.
-
B.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
-
C.
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.
-
D.
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.
-
E.
Evanston Davis Street station
Evanston Davis Street station is a commuter rail station in Evanston, Illinois, serving downtown Evanston with Metra service to and from Chicago.
- 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–Chinatown station Triple: [Cermak Road, hasCTAStationAt, Cermak–Chinatown station]
Generated description
Cermak–Chinatown station is a Chicago 'L' rapid transit stop on the Red Line that serves the city's Chinatown neighborhood near Cermak Road.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cermak–Chinatown station Target entity description: Cermak–Chinatown station is a Chicago 'L' rapid transit stop on the Red Line that serves the city's Chinatown neighborhood near Cermak Road.
-
A.
54th/Cermak station
54th/Cermak station is a Chicago 'L' rapid transit stop in Cicero, Illinois, serving as the western terminal of the CTA Pink Line.
-
B.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
-
C.
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.
-
D.
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.
-
E.
Evanston Davis Street station
Evanston Davis Street station is a commuter rail station in Evanston, Illinois, serving downtown Evanston with Metra service to and from Chicago.
- 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_69c688058d6881908c19b309cc55dbfa |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d0a262808190a33ac94374affde4 |
completed | March 27, 2026, 6:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6e4234c148190b19d36903cb67651 |
completed | March 27, 2026, 8:10 p.m. |
| NEDg | Description generation | batch_69c6e5b236888190b108de51c730179a |
completed | March 27, 2026, 8:16 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6e7cc21548190b302e2e31f9cadd0 |
completed | March 27, 2026, 8:25 p.m. |
Created at: March 27, 2026, 1:52 p.m.