Triple
T20621
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority |
E409
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | City of Chicago |
E108
|
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: City of Chicago | Statement: [Chicago Transit Authority, serves, City of Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Chicago Context triple: [Chicago Transit Authority, serves, City of Chicago]
-
A.
Chicago metropolitan area
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.
Chicago, Illinois, United States
chosen
Chicago, Illinois, United States is a major Midwestern metropolis known for its influential architecture, cultural institutions, and role as a historic center of industry and commerce.
-
C.
Springfield, Illinois
Springfield, Illinois is the capital city of the U.S. state of Illinois, best known as the longtime home and final resting place of Abraham Lincoln.
-
D.
South Side, Chicago
South Side, Chicago is a large, historically working-class region of Chicago known for its diverse neighborhoods, rich cultural and musical heritage, and significant role in the city’s industrial and social history.
-
E.
Delano
Delano is the middle name of Franklin D. Roosevelt, the 32nd president of the United States.
- 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_69a240778d288190815c0052ebbbcc91 |
completed | Feb. 28, 2026, 1:10 a.m. |
| NER | Named-entity recognition | batch_69a24669427481908b3369f090ea8edc |
completed | Feb. 28, 2026, 1:35 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2bf62f0f481909e1efb2f3b903694 |
completed | Feb. 28, 2026, 10:11 a.m. |
Created at: Feb. 28, 2026, 1:14 a.m.