Janesville Assembly
E503581
Janesville Assembly was a major General Motors automobile manufacturing plant in Janesville, Wisconsin, that operated for nearly a century before closing in 2009.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Janesville Assembly canonical | 1 |
| Janesville Assembly, Janesville, Wisconsin, USA | 1 |
| Janesville Assembly, Wisconsin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5213094 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Janesville Assembly Context triple: [GMT360, assemblyLocation, Janesville Assembly]
-
A.
Mishawaka Assembly Plant
Mishawaka Assembly Plant is an AM General vehicle manufacturing facility in Mishawaka, Indiana, best known for producing military Humvees and civilian Hummer models.
-
B.
Fort Wayne Assembly Plant
Fort Wayne Assembly Plant is a General Motors manufacturing facility in Fort Wayne, Indiana, primarily known for producing full-size pickup trucks.
-
C.
Wilmington Assembly Plant
The Wilmington Assembly Plant was a General Motors manufacturing facility in Wilmington, Delaware, known for producing sports cars like the Pontiac Solstice before its closure.
-
D.
Chicago Assembly Plant
The Chicago Assembly Plant is a major Ford Motor Company manufacturing facility in Chicago, Illinois, known for producing popular SUV models.
-
E.
St. Louis Assembly Plant
The St. Louis Assembly Plant was a General Motors automobile factory in St. Louis, Missouri, best known for producing Chevrolet Corvettes for several decades before Corvette production moved to Bowling Green, Kentucky.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Janesville Assembly Target entity description: Janesville Assembly was a major General Motors automobile manufacturing plant in Janesville, Wisconsin, that operated for nearly a century before closing in 2009.
-
A.
Mishawaka Assembly Plant
Mishawaka Assembly Plant is an AM General vehicle manufacturing facility in Mishawaka, Indiana, best known for producing military Humvees and civilian Hummer models.
-
B.
Fort Wayne Assembly Plant
Fort Wayne Assembly Plant is a General Motors manufacturing facility in Fort Wayne, Indiana, primarily known for producing full-size pickup trucks.
-
C.
Wilmington Assembly Plant
The Wilmington Assembly Plant was a General Motors manufacturing facility in Wilmington, Delaware, known for producing sports cars like the Pontiac Solstice before its closure.
-
D.
Chicago Assembly Plant
The Chicago Assembly Plant is a major Ford Motor Company manufacturing facility in Chicago, Illinois, known for producing popular SUV models.
-
E.
St. Louis Assembly Plant
The St. Louis Assembly Plant was a General Motors automobile factory in St. Louis, Missouri, best known for producing Chevrolet Corvettes for several decades before Corvette production moved to Bowling Green, Kentucky.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
General Motors factory
ⓘ
automobile manufacturing plant ⓘ |
| ceasedOperation | 2009 ⓘ |
| closed | 2009 ⓘ |
| coordinateLocation | approximately 42.68°N 89.01°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employer | autoworkers in Janesville, Wisconsin ⓘ |
| formerUse | automobile assembly plant ⓘ |
| heritage | part of early 20th-century U.S. auto manufacturing expansion ⓘ |
| inception | 1919 ⓘ |
| industry | automotive industry ⓘ |
| locatedIn | Janesville, Wisconsin NERFINISHED ⓘ |
| locatedInAdministrativeTerritorialEntity | Rock County, Wisconsin NERFINISHED ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| notableFor |
being one of the oldest General Motors plants in the United States
ⓘ
longstanding role in Janesville local economy ⓘ |
| opened | 1919 ⓘ |
| operatedBy | General Motors NERFINISHED ⓘ |
| ownedBy | General Motors NERFINISHED ⓘ |
| partOf | General Motors North America manufacturing network NERFINISHED ⓘ |
| productType |
automobiles
ⓘ
light trucks ⓘ sport utility vehicles ⓘ |
| significantEvent | plant closure in 2009 ⓘ |
| significantImpact |
employment in Janesville, Wisconsin
ⓘ
regional manufacturing base in southern Wisconsin ⓘ |
| status | closed ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Janesville Assembly Description of subject: Janesville Assembly was a major General Motors automobile manufacturing plant in Janesville, Wisconsin, that operated for nearly a century before closing in 2009.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Janesville Assembly, Janesville, Wisconsin, USA
this entity surface form:
Janesville Assembly, Wisconsin