Triple
T1159848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Regional Transportation Authority of Northeastern Illinois |
E24467
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Greater Chicago area |
E5493
|
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: Greater Chicago area | Statement: [Regional Transportation Authority of Northeastern Illinois, regionServed, Greater Chicago area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Chicago area Context triple: [Regional Transportation Authority of Northeastern Illinois, regionServed, Greater Chicago area]
-
A.
Chicago metropolitan area
chosen
The Chicago metropolitan area is a major U.S. urban and economic region centered on the city of Chicago, encompassing numerous surrounding suburbs across northeastern Illinois and parts of neighboring states.
-
B.
Downtown Chicago area
The Downtown Chicago area is the city’s central business and cultural district, encompassing iconic skyscrapers, major shopping and entertainment corridors, and several distinct neighborhoods along Lake Michigan.
-
C.
South Suburbs of Chicago
The South Suburbs of Chicago are a cluster of predominantly residential and industrial communities located south of the city, known for their blue-collar character, diverse population, and historical ties to steel and manufacturing.
-
D.
Peoria metropolitan area
The Peoria metropolitan area is a regional urban and economic center in central Illinois anchored by the city of Peoria and its surrounding communities.
-
E.
Springfield metropolitan area
The Springfield metropolitan area is a U.S. metro region centered on Springfield, the capital city of Illinois, serving as a governmental, economic, and cultural hub for the surrounding central Illinois communities.
- 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_69a494060e148190abb42f971242c197 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bcaf3a9081908bad2eba74dffbc1 |
completed | March 1, 2026, 10:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad0e5bc6348190a0d23fe269707e1b |
completed | March 8, 2026, 5:51 a.m. |
Created at: March 1, 2026, 7:45 p.m.