Triple
T164791
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh–Chicago route |
E2988
|
entity |
| Predicate | servedIndustrialCenter |
P2193
|
FINISHED |
| Object | Chicago industrial region |
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 industrial region | Statement: [Pittsburgh–Chicago route, servedIndustrialCenter, Chicago industrial region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago industrial region Context triple: [Pittsburgh–Chicago route, servedIndustrialCenter, Chicago industrial region]
-
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.
Rust Belt
The Rust Belt is a region in the northeastern and midwestern United States historically dominated by manufacturing and heavy industry that has experienced significant economic decline and population loss since the late 20th century.
-
C.
Illinois Technology and Research Corridor
The Illinois Technology and Research Corridor is a major suburban business and innovation hub west of Chicago, known for its concentration of corporate headquarters, research facilities, and high-tech industries along Interstate 88.
-
D.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
E.
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.
- 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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a25bae79b48190abfd247410e5918f |
completed | Feb. 28, 2026, 3:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2e0f6b8908190b4eec4a34e9447db |
completed | Feb. 28, 2026, 12:35 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.