Triple
T18432517
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cermak station (Green Line) |
E450306
|
entity |
| Predicate | servedBranch |
P2099
|
FINISHED |
| Object | South Side Main Line |
—
|
NE NERFINISHED |
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: South Side Main Line | Statement: [Cermak station (Green Line), servedBranch, South Side Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Side Main Line Context triple: [Cermak station (Green Line), servedBranch, South Side Main Line]
-
A.
South Side Main Line
chosen
The South Side Main Line is a key elevated rapid transit corridor on Chicago's 'L' system that carries multiple Green Line services through the city's South Side.
-
B.
North Side Main Line
The North Side Main Line was a historic elevated rapid transit route in Chicago that formed a key part of the early "L" system and later evolved into segments of today’s Red Line.
-
C.
The Main Line
"The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
-
D.
Fairmount Corridor
Fairmount Corridor is a transit corridor in the Boston area that encompasses the Fairmount Line commuter rail service and its surrounding communities.
-
E.
Main Line, Philadelphia
Main Line, Philadelphia is an affluent suburban region northwest of downtown Philadelphia, known for its historic commuter rail communities, prestigious colleges, and upscale residential neighborhoods.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8d381d6388190a9e94e9c658174e4 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e51b183adc8190987bc7749d0e673c |
completed | April 19, 2026, 6:12 p.m. |
Created at: April 10, 2026, 11:27 a.m.