Triple
T17465266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra North Central Service |
E425259
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | O’Hare Transfer station |
—
|
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: O’Hare Transfer station | Statement: [Metra North Central Service, hasStation, O’Hare Transfer station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: O’Hare Transfer station Context triple: [Metra North Central Service, hasStation, O’Hare Transfer station]
-
A.
O'Hare Multi-Modal Facility
chosen
O'Hare Multi-Modal Facility is a major transportation hub at Chicago O'Hare International Airport that consolidates rental car services, public transit connections, and parking into a single complex.
-
B.
O'Hare station
O'Hare station is a Chicago Transit Authority Blue Line rapid transit station located at O'Hare International Airport, serving as the primary rail link between the airport and downtown Chicago.
-
C.
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.
-
D.
O'Hare Airport Transit System
O'Hare Airport Transit System is an automated people mover that transports passengers between terminals, parking areas, and other facilities at Chicago O'Hare International Airport.
-
E.
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.
- 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_69d889dbc2e88190b18ea6115e819258 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e451a6c2e08190bca9de56ee2f5136 |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 10, 2026, 5:47 a.m.