Triple
T8532152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elkhart, Indiana |
E201977
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Rust Belt |
E3736
|
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: Rust Belt | Statement: [Elkhart, Indiana, isPartOf, Rust Belt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rust Belt Context triple: [Elkhart, Indiana, isPartOf, Rust Belt]
-
A.
Rust Belt
chosen
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.
-
B.
Great Lakes industrial corridor
The Great Lakes industrial corridor is a major North American manufacturing and transportation belt stretching around the Great Lakes, known for its heavy industry, steel production, and port facilities.
-
C.
Northwest Indiana
Northwest Indiana is a region of Indiana adjacent to the Chicago metropolitan area, known for its mix of industrial cities, Lake Michigan shoreline, and suburban communities.
-
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.
Chicago–Detroit/Pontiac corridor
The Chicago–Detroit/Pontiac corridor is a major Midwestern passenger rail route that connects Chicago with Detroit and Pontiac, serving numerous intermediate cities across Illinois and Michigan.
- 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_69ca832355b08190b8b6a4ab4a4a3554 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe676e2ac8190b65a3d2a935776fd |
completed | March 31, 2026, 3:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce6d70f81881908ac784608ad7a2aa |
completed | April 2, 2026, 1:21 p.m. |
Created at: March 30, 2026, 6:17 p.m.