Kellex Corporation
E233764
Kellex Corporation was an engineering firm best known for designing and overseeing construction of the K-25 gaseous diffusion plant used in the Manhattan Project to enrich uranium during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kellex Corporation canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2105533 — 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: Kellex Corporation Context triple: [K-25 Project, architect, Kellex Corporation]
-
A.
Goodrich Corporation
Goodrich Corporation was a major American aerospace and defense company known for manufacturing aircraft systems and components before its acquisition by United Technologies Corporation.
-
B.
Kalem Company
Kalem Company was an early American motion picture studio active in the silent film era, known for its pioneering location shooting and popular serials in the 1900s and 1910s.
-
C.
Staley Manufacturing Company
Staley Manufacturing Company was an early 20th-century American food processing firm, best known for its corn products and for founding the football team that became the Chicago Bears.
-
D.
Mardel, Inc.
Mardel, Inc. is a Christian-themed retail chain in the United States that sells books, educational materials, and religious merchandise.
-
E.
Woodard Corporation
Woodard Corporation is a group of Anglican-founded independent schools in the United Kingdom, known for providing education with a strong Christian ethos.
- 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: Kellex Corporation Target entity description: Kellex Corporation was an engineering firm best known for designing and overseeing construction of the K-25 gaseous diffusion plant used in the Manhattan Project to enrich uranium during World War II.
-
A.
Goodrich Corporation
Goodrich Corporation was a major American aerospace and defense company known for manufacturing aircraft systems and components before its acquisition by United Technologies Corporation.
-
B.
Kalem Company
Kalem Company was an early American motion picture studio active in the silent film era, known for its pioneering location shooting and popular serials in the 1900s and 1910s.
-
C.
Staley Manufacturing Company
Staley Manufacturing Company was an early 20th-century American food processing firm, best known for its corn products and for founding the football team that became the Chicago Bears.
-
D.
Mardel, Inc.
Mardel, Inc. is a Christian-themed retail chain in the United States that sells books, educational materials, and religious merchandise.
-
E.
Woodard Corporation
Woodard Corporation is a group of Anglican-founded independent schools in the United Kingdom, known for providing education with a strong Christian ethos.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
engineering firm ⓘ |
| activity |
project management for large industrial facilities
ⓘ
uranium enrichment plant design ⓘ |
| associatedWith |
Oak Ridge Gaseous Diffusion Plant
ⓘ
surface form:
K-25 plant at Oak Ridge
Manhattan Engineer District of the U.S. Army Corps of Engineers ⓘ
surface form:
Manhattan Engineer District
|
| contributedTo |
U.S. nuclear weapons program
ⓘ
industrial-scale uranium enrichment infrastructure ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employerOf |
engineers
ⓘ
project managers ⓘ |
| field |
industrial engineering
ⓘ
nuclear engineering ⓘ |
| hasClient |
U.S. Army Corps of Engineers
ⓘ
United States government ⓘ |
| industry | engineering ⓘ |
| involvedIn | development of uranium enrichment capability for the United States ⓘ |
| locationOfWork | Oak Ridge, Tennessee ⓘ |
| notableFor | designing the K-25 plant used to enrich uranium during World War II ⓘ |
| notableWork |
Oak Ridge Gaseous Diffusion Plant
ⓘ
surface form:
K-25 gaseous diffusion plant
|
| operatedDuring | World War II ⓘ |
| partOf | Manhattan Project ⓘ |
| purposeOfWork | production of enriched uranium-235 ⓘ |
| role |
construction overseer of the K-25 gaseous diffusion plant
ⓘ
designer of the K-25 gaseous diffusion plant ⓘ |
| usedTechnology | gaseous diffusion ⓘ |
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: Kellex Corporation Description of subject: Kellex Corporation was an engineering firm best known for designing and overseeing construction of the K-25 gaseous diffusion plant used in the Manhattan Project to enrich uranium during World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.