Triple
T191955
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Regional Transportation Authority of Northeastern Illinois |
E3739
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Cook County, Illinois |
E1146
|
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: Cook County, Illinois | Statement: [Regional Transportation Authority of Northeastern Illinois, regionServed, Cook County, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cook County, Illinois Context triple: [Regional Transportation Authority of Northeastern Illinois, regionServed, Cook County, Illinois]
-
A.
Cook County, Illinois
chosen
Cook County, Illinois is a populous county in northeastern Illinois that includes the city of Chicago and serves as a major economic, cultural, and political hub in the United States.
-
B.
DuPage County, Illinois
DuPage County, Illinois is a suburban county west of Chicago known for its affluent communities, extensive forest preserves, and role as a major component of the Chicago metropolitan area.
-
C.
McHenry County, Illinois
McHenry County, Illinois is a suburban county in northeastern Illinois that forms part of the greater Chicago metropolitan area.
-
D.
Champaign County, Illinois
Champaign County, Illinois is a county in east-central Illinois known for encompassing the cities of Champaign and Urbana and being home to the University of Illinois at Urbana-Champaign.
-
E.
DeKalb County
DeKalb County is a populous county in the Atlanta metropolitan area of Georgia, known for its diverse communities, major transportation corridors, and institutions such as Emory University and the Centers for Disease Control and Prevention.
- 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_69a2548debd48190ae3a06d6e65b53c6 |
completed | Feb. 28, 2026, 2:35 a.m. |
| NER | Named-entity recognition | batch_69a259669ba08190a5be1d2e10e70b27 |
completed | Feb. 28, 2026, 2:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a332c7afc48190a65c7e71260c84b4 |
completed | Feb. 28, 2026, 6:24 p.m. |
Created at: Feb. 28, 2026, 2:41 a.m.