Triple
T7481369
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Carnegie, Pennsylvania |
E176764
|
entity |
| Predicate | region |
P40
|
FINISHED |
| Object | Rust Belt |
E3736
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: [Carnegie, Pennsylvania, region, Rust Belt]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rust Belt Context triple: [Carnegie, Pennsylvania, region, 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.
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.
-
C.
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.
-
D.
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.
-
E.
Calumet Region
The Calumet Region is an industrial and residential area around the southern tip of Lake Michigan, spanning parts of northwest Indiana and southeast Chicago, historically known for steel production, shipping, and heavy industry.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69c69f236ce08190a04d7679f03b29b2 |
elicitation | completed |
| NER | batch_69c6f534aa388190b3bb3e16be3a54c8 |
ner | completed |
| NED1 | batch_69c83493f0988190b8c569d34bbe2817 |
ned_source_triple | completed |
Created at: March 27, 2026, 3:42 p.m.