Triple
T19439934
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line West Branch |
E486321
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Green Line South Side Elevated |
—
|
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: Green Line South Side Elevated | Statement: [Green Line West Branch, connectsWith, Green Line South Side Elevated]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line South Side Elevated Context triple: [Green Line West Branch, connectsWith, Green Line South Side Elevated]
-
A.
Green Line South Side Main Line
chosen
The Green Line South Side Main Line is a rapid transit route on Chicago's 'L' system that runs along the city's South Side, connecting multiple neighborhoods to the downtown Loop.
-
B.
Red Line northwest branch
The Red Line northwest branch is a planned rapid transit extension serving the northwestern suburbs as part of the Red Line’s expanded corridor.
-
C.
Metropolitan West Side Elevated Railroad
The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
-
D.
South Side Elevated branch
The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
-
E.
Green Line (CTA) main line
The Green Line (CTA) main line is a principal rapid transit route in Chicago’s 'L' system, running primarily along the South and West Sides and serving as a core corridor that branches to multiple termini.
- 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_69d8e8d7ad488190a3373045029b0f3b |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e63364371081908e899c2a47af4e5d |
completed | April 20, 2026, 2:08 p.m. |
Created at: April 10, 2026, 1:38 p.m.