Triple
T94989
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority |
E1910
|
entity |
| Predicate | servesRegion |
P82
|
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: [Chicago Transit Authority, servesRegion, Chicago metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago metropolitan area Context triple: [Chicago Transit Authority, servesRegion, 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.
Seattle metropolitan area
The Seattle metropolitan area is a major urban and economic hub in Washington State centered on the city of Seattle, known for its technology industry, port facilities, and cultural influence in the Pacific Northwest.
-
C.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
-
D.
Chicago, Illinois, United States
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.
-
E.
Portland metropolitan area
The Portland metropolitan area is a major urban region in the Pacific Northwest of the United States centered on the city of Portland and spanning multiple counties in Oregon and Washington.
- 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_69a24d4862f881908cc8b89d3a78031d |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a24fd4777c81909ea9b9a6bd4f7ad5 |
completed | Feb. 28, 2026, 2:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2db50ac3881908088683967e9ae9f |
completed | Feb. 28, 2026, 12:10 p.m. |
Created at: Feb. 28, 2026, 2:09 a.m.