U.S. Army Corps of Engineers
E3298
The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
All labels observed (46)
How this entity was disambiguated
This entity first appeared as the object of triple T41565 — 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: U.S. Army Corps of Engineers Context triple: [Memorial Bridge, engineer, U.S. Army Corps of Engineers]
-
A.
Tennessee Valley Authority
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
B.
Manhattan Engineer District of the U.S. Army Corps of Engineers
The Manhattan Engineer District of the U.S. Army Corps of Engineers was the wartime administrative and engineering organization that managed the United States’ top-secret effort to develop the first atomic weapons during World War II.
-
C.
United States Coast Guard
The United States Coast Guard is a U.S. maritime security, search and rescue, and law enforcement service responsible for safeguarding the nation’s coasts, waterways, and maritime interests.
-
D.
Civilian Conservation Corps
The Civilian Conservation Corps was a New Deal work relief program that provided jobs to young men during the Great Depression through conservation and public lands projects across the United States.
-
E.
Office of Naval Research
The Office of Naval Research is a U.S. government agency that coordinates, executes, and promotes science and technology programs for the United States Navy and Marine Corps.
- 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: U.S. Army Corps of Engineers Target entity description: The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
-
A.
Tennessee Valley Authority
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
B.
Manhattan Engineer District of the U.S. Army Corps of Engineers
The Manhattan Engineer District of the U.S. Army Corps of Engineers was the wartime administrative and engineering organization that managed the United States’ top-secret effort to develop the first atomic weapons during World War II.
-
C.
United States Coast Guard
The United States Coast Guard is a U.S. maritime security, search and rescue, and law enforcement service responsible for safeguarding the nation’s coasts, waterways, and maritime interests.
-
D.
Civilian Conservation Corps
The Civilian Conservation Corps was a New Deal work relief program that provided jobs to young men during the Great Depression through conservation and public lands projects across the United States.
-
E.
Office of Naval Research
The Office of Naval Research is a U.S. government agency that coordinates, executes, and promotes science and technology programs for the United States Navy and Marine Corps.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
engineering organization
ⓘ
federal agency ⓘ military organization ⓘ |
| abbreviation |
U.S. Army Corps of Engineers
self-linksurface differs
ⓘ
surface form:
U.S. Army Corps
U.S. Army Corps of Engineers self-linksurface differs ⓘ
surface form:
USACE
|
| country | United States of America ⓘ |
| employerOf |
civilian personnel
ⓘ
military personnel ⓘ |
| fieldOfWork |
civil engineering
ⓘ
disaster response ⓘ ecosystem restoration ⓘ environmental engineering ⓘ flood control ⓘ hydropower ⓘ infrastructure development ⓘ military engineering ⓘ navigation ⓘ water resources management ⓘ |
| hasPart |
U.S. Army Corps of Engineers
self-linksurface differs
ⓘ
surface form:
U.S. Army Corps of Engineers Civil Works Program
U.S. Army Corps of Engineers self-linksurface differs ⓘ
surface form:
U.S. Army Corps of Engineers Military Programs
U.S. Army Corps of Engineers self-linksurface differs ⓘ
surface form:
U.S. Army Corps of Engineers districts
U.S. Army Corps of Engineers divisions ⓘ U.S. Army Engineer Research and Development Center ⓘ |
| headquartersLocation | Washington, D.C. ⓘ |
| inception | 1802 ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
federal government of the United States
|
| languageOfWorkOrName | English ⓘ |
| legalForm | federal agency ⓘ |
| militaryBranch | United States Army ⓘ |
| notableProjectType |
harbors
ⓘ
levees ⓘ locks and dams ⓘ military bases infrastructure ⓘ |
| parentOrganization | United States Department of the Army ⓘ |
| partOf |
Department of Defense
ⓘ
surface form:
United States Department of Defense
|
| responsibleFor |
construction of dams
ⓘ
construction of military facilities ⓘ design of military facilities ⓘ emergency response to natural disasters ⓘ environmental remediation projects ⓘ flood risk management projects ⓘ maintenance of dams ⓘ maintenance of military facilities ⓘ maintenance of navigable waterways ⓘ shoreline protection projects ⓘ wetlands restoration projects ⓘ |
| website | https://www.usace.army.mil/ ⓘ |
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: U.S. Army Corps of Engineers Description of subject: The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
Referenced by (408)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Portland District of the U.S. Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
U.S. Army Corps of Engineers Walla Walla District
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
Seattle District, U.S. Army Corps of Engineers
subject surface form:
Leslie R. Groves Jr.
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
USACE Nashville District
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
subject surface form:
Falls Lake
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
U.S. Army Corps of Engineers (cleanup)
this entity surface form:
Headquarters, U.S. Army Corps of Engineers
this entity surface form:
U.S. Army Corps of Engineers divisions
this entity surface form:
U.S. Army Corps of Engineers districts
subject surface form:
Lucius D. Clay
this entity surface form:
United States Army Corps of Engineers
City of New York (historically, via piers and waterfront control)
→
collaboratesWith
→
U.S. Army Corps of Engineers
ⓘ
subject surface form:
City of New York
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
U.S. Army Corps of Engineers Mississippi Valley Division headquarters
this entity surface form:
United States Army Corps of Engineers
Cold Regions Research and Engineering Laboratory
→
parentOrganization
→
U.S. Army Corps of Engineers
ⓘ
this entity surface form:
United States Army Corps of Engineers
this entity surface form:
United States Army Corps of Engineers