Triple
T15853699
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line southbound |
E384401
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Cermak–Chinatown station |
E607654
|
NE FINISHED |
How this triple was built (2 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: [Red Line southbound, servesStation, Cermak–Chinatown station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cermak–Chinatown station Context triple: [Red Line southbound, servesStation, Cermak–Chinatown station]
-
A.
Cermak–Chinatown station
chosen
Cermak–Chinatown station is a Chicago 'L' rapid transit stop on the Red Line that serves the city's Chinatown neighborhood near Cermak Road.
-
B.
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.
-
C.
Morgan Park station
Morgan Park station is a Metra commuter rail stop serving Chicago’s Morgan Park neighborhood on the city’s Far South Side.
-
D.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
-
E.
Logan Square station
Logan Square station is a Chicago Transit Authority Blue Line rapid transit station located in the Logan Square neighborhood of Chicago.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86da422088190aac39e32e6c68429 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e14cae96648190884a85f68b6e9fe1 |
completed | April 16, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffa14977408190815ef02cc54075cc |
completed | May 9, 2026, 9:04 p.m. |
Created at: April 10, 2026, 4:50 a.m.