NUMMI
E120027
NUMMI (New United Motor Manufacturing, Inc.) was a joint venture between General Motors and Toyota that operated an automobile manufacturing plant in Fremont, California.
All labels observed (3)
| Label | Occurrences |
|---|---|
| NUMMI canonical | 3 |
| NUMMI plant | 2 |
| NUMMI Fremont assembly plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1033523 — 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: NUMMI Context triple: [Fremont Factory, California, formerOperator, NUMMI]
-
A.
GM Silao Assembly Plant
GM Silao Assembly Plant is a General Motors automotive manufacturing facility located in Silao, Guanajuato, Mexico, known for producing full-size pickup trucks and related components for global markets.
-
B.
General Motors Flint Assembly Plant
General Motors Flint Assembly Plant is a major automotive manufacturing facility in Flint, Michigan, historically known for producing a wide range of GM vehicles and playing a central role in the city’s industrial economy.
-
C.
GM Orion Assembly Plant
GM Orion Assembly Plant is a General Motors automobile manufacturing facility in Orion Township, Michigan, known for producing small cars and electric vehicles.
-
D.
Highland Park Ford Plant
The Highland Park Ford Plant is a historic automobile factory in Michigan renowned as the birthplace of the moving assembly line that revolutionized mass production in the early 20th century.
-
E.
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.
- 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: NUMMI Target entity description: NUMMI (New United Motor Manufacturing, Inc.) was a joint venture between General Motors and Toyota that operated an automobile manufacturing plant in Fremont, California.
-
A.
GM Silao Assembly Plant
GM Silao Assembly Plant is a General Motors automotive manufacturing facility located in Silao, Guanajuato, Mexico, known for producing full-size pickup trucks and related components for global markets.
-
B.
General Motors Flint Assembly Plant
General Motors Flint Assembly Plant is a major automotive manufacturing facility in Flint, Michigan, historically known for producing a wide range of GM vehicles and playing a central role in the city’s industrial economy.
-
C.
GM Orion Assembly Plant
GM Orion Assembly Plant is a General Motors automobile manufacturing facility in Orion Township, Michigan, known for producing small cars and electric vehicles.
-
D.
Highland Park Ford Plant
The Highland Park Ford Plant is a historic automobile factory in Michigan renowned as the birthplace of the moving assembly line that revolutionized mass production in the early 20th century.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
automobile manufacturer
ⓘ
joint venture ⓘ manufacturing company ⓘ |
| abbreviation | NUMMI ⓘ |
| ceasedOperations | 2010 ⓘ |
| city | Fremont ⓘ |
| closed | 2010 ⓘ |
| continent | North America ⓘ |
| corporateForm | corporation ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| founded | 1984 ⓘ |
| fullName | New United Motor Manufacturing, Inc. ⓘ |
| industry | automotive industry ⓘ |
| jointVenturePartner |
General Motors
ⓘ
Toyota Motor Corporation ⓘ |
| knownFor | turning around a previously troubled GM plant into a high-quality operation ⓘ |
| laborUnion | United Auto Workers ⓘ |
| location |
Fremont, California
ⓘ
linked to:
Fremont
|
| notableModelProduced |
Chevrolet Prizm
ⓘ
linked to:
Geo Prizm
Geo Prizm ⓘ Pontiac Vibe ⓘ Toyota Corolla ⓘ Toyota Hilux (for some markets) ⓘ
linked to:
Toyota Hilux
Toyota Tacoma ⓘ |
| notablePractice |
andon system for quality control
ⓘ
just-in-time manufacturing ⓘ team-based production ⓘ |
| opened | 1984 ⓘ |
| ownerDuringOperation |
General Motors
ⓘ
Toyota Motor Corporation ⓘ |
| peakEmployment | over 4,000 workers ⓘ |
| plantArea | approximately 5.3 million square feet ⓘ |
| plantType | automobile assembly plant ⓘ |
| predecessor |
General Motors Fremont Assembly
ⓘ
linked to:
General Motors Fremont Assembly plant
|
| product |
automobiles
ⓘ
automotive components ⓘ |
| productionSystem | Toyota Production System ⓘ |
| reasonForClosure |
Toyota decision to end production at the plant
ⓘ
withdrawal of General Motors from the joint venture ⓘ |
| region | San Francisco Bay Area ⓘ |
| significance |
first major joint venture between a U.S. and Japanese automaker in vehicle manufacturing
ⓘ
served as a model for lean manufacturing practices in North America ⓘ |
| siteArea | approximately 370 acres ⓘ |
| siteLaterUsedBy | Tesla, Inc. ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| successorFacility |
Tesla Factory
ⓘ
linked to:
Tesla Fremont Factory
|
| trainingRole | introduced Toyota production methods to GM personnel ⓘ |
| workforceType | unionized workforce ⓘ |
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: NUMMI Description of subject: NUMMI (New United Motor Manufacturing, Inc.) was a joint venture between General Motors and Toyota that operated an automobile manufacturing plant in Fremont, California.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NUMMI
linked to: NUMMI
linked to: NUMMI