Triple
T20481754
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (CTA) |
E502471
|
entity |
| Predicate | servesArea |
P82
|
FINISHED |
| Object | Chicago Loop (via State Street subway) |
—
|
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: Chicago Loop (via State Street subway) | Statement: [Red Line (CTA), servesArea, Chicago Loop (via State Street subway)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Loop (via State Street subway) Context triple: [Red Line (CTA), servesArea, Chicago Loop (via State Street subway)]
-
A.
Wabash Avenue (east side of Loop)
Wabash Avenue (east side of Loop) is a major north–south street in downtown Chicago’s Loop, known for running beneath the elevated train tracks and forming the Loop’s eastern boundary.
-
B.
Dearborn Street subway
The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
-
C.
Lake Street/Midtown Station
Lake Street/Midtown Station is a light rail transit stop in Minneapolis, Minnesota, serving the METRO Blue Line and the surrounding Lake Street and Midtown neighborhoods.
-
D.
Chicago Loop
chosen
Chicago Loop is the central business district and historic downtown core of Chicago, known for its skyscrapers, theaters, parks, and major cultural attractions.
-
E.
Van Buren Street Metra station
Van Buren Street Metra station is a downtown Chicago commuter rail station on the Metra Electric District line, located near Grant Park and serving the city's Loop business district.
- 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_69e0b4af32848190aea80682b44d5d6e |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e69b57fa9c819091d12320d46a0cee |
completed | April 20, 2026, 9:32 p.m. |
Created at: April 16, 2026, 11:34 a.m.