Triple
T11131127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sedgwick station (Chicago "L") |
E263283
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Chicago Transit Authority Brown Line stations |
E477084
|
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: Chicago Transit Authority Brown Line stations | Statement: [Sedgwick station (Chicago "L"), category, Chicago Transit Authority Brown Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Brown Line stations Context triple: [Sedgwick station (Chicago "L"), category, Chicago Transit Authority Brown Line stations]
-
A.
Chicago Transit Authority Brown Line stations
chosen
Chicago Transit Authority Brown Line stations are the elevated and subway train stops in Chicago that serve the Brown Line route of the city’s “L” rapid transit system.
-
B.
Chicago Transit Authority Green Line stations
Chicago Transit Authority Green Line stations are the train stops served by the Green Line of Chicago’s ‘L’ rapid transit system.
-
C.
Chicago Transit Authority Pink Line stations
Chicago Transit Authority Pink Line stations are the rapid transit stops along the CTA’s Pink Line, serving neighborhoods from the Near West Side of Chicago out to its western terminus.
-
D.
Chicago Transit Authority Purple Line stations
Chicago Transit Authority Purple Line stations are the rapid transit stops in the Chicago 'L' system served by the Purple Line, which runs between the northern suburbs and downtown Chicago.
-
E.
Chicago Avenue station (CTA Brown Line)
Chicago Avenue station (CTA Brown Line) is an elevated Chicago Transit Authority rapid transit stop on the Brown Line serving the Near North Side 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e831f4808190afabdaa0e97bbe32 |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e441e6b72881908f8288e99df0cb7c |
completed | April 19, 2026, 2:45 a.m. |
Created at: April 8, 2026, 9:28 p.m.