Triple
T1346652
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wilmette, Illinois |
E28585
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object | Chicago Transit Authority Purple Line |
E81356
|
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 Purple Line | Statement: [Wilmette, Illinois, transportServedBy, Chicago Transit Authority Purple Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Purple Line Context triple: [Wilmette, Illinois, transportServedBy, Chicago Transit Authority Purple Line]
-
A.
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.
-
B.
CTA Blue Line
The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
-
C.
CTA Pink Line
The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
-
D.
Purple Line (CTA)
chosen
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
-
E.
CTA Orange Line
The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
- 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_69a49854eb3481908c7d56b2e449a290 |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c2406c488190b2c04d54d9c5e94c |
completed | March 1, 2026, 10:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acc639201c81908ed9c9ac37cd358f |
completed | March 8, 2026, 12:43 a.m. |
Created at: March 1, 2026, 7:56 p.m.