Triple
T15762788
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Purple Line |
E382139
|
entity |
| Predicate | locale |
P387
|
FINISHED |
| Object | Chicago metropolitan 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: Chicago metropolitan area | Statement: [CTA Purple Line, locale, Chicago metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago metropolitan area Context triple: [CTA Purple Line, locale, Chicago metropolitan 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.
Detroit metropolitan area
The Detroit metropolitan area is a major U.S. industrial and economic hub best known as the historic center of the American automotive industry.
-
C.
Boston urban area
The Boston urban area is a major metropolitan region in eastern Massachusetts centered on the city of Boston and encompassing numerous surrounding cities and towns in its continuous built-up environment.
-
D.
Madison metropolitan area
The Madison metropolitan area is a regional urban and economic hub in south-central Wisconsin centered on the city of Madison, known for its state government, major university, and growing technology and service sectors.
-
E.
Chicago Basin
Chicago Basin is a remote alpine basin in Colorado renowned for its dramatic scenery, popular backpacking routes, and access to several notable San Juan Mountain fourteeners.
- 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_69d86d9e6b44819085d1f6a969ecb74c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e050b6c9fc8190a1bcf763c4b04b12 |
completed | April 16, 2026, 3 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff8776c2488190ad27fd79e2ce4e14 |
completed | May 9, 2026, 7:13 p.m. |
Created at: April 10, 2026, 4:47 a.m.