St. Lawrence Seaway Management Corporation
E25896
The St. Lawrence Seaway Management Corporation is the Canadian, not-for-profit entity responsible for operating and maintaining the Canadian portions of the St. Lawrence Seaway, a key binational commercial shipping route between the Great Lakes and the Atlantic Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| St. Lawrence Seaway Management Corporation canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T202627 — 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: St. Lawrence Seaway Management Corporation Context triple: [Saint Lawrence Seaway Development Corporation, cooperatesWith, St. Lawrence Seaway Management Corporation]
-
A.
Saint Lawrence Seaway Development Corporation
The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
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B.
Great Lakes Works
Great Lakes Works is a large integrated steel manufacturing plant in Michigan known for producing flat-rolled steel products for the automotive and other industries.
-
C.
New York State Canal System
The New York State Canal System is a network of interconnected canals and waterways in New York that evolved from historic routes like the Erie Canal and now supports recreation, tourism, and limited commercial navigation.
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D.
U.S. Army Corps of Engineers
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.
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E.
Champlain Canal
The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
- 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: St. Lawrence Seaway Management Corporation Target entity description: The St. Lawrence Seaway Management Corporation is the Canadian, not-for-profit entity responsible for operating and maintaining the Canadian portions of the St. Lawrence Seaway, a key binational commercial shipping route between the Great Lakes and the Atlantic Ocean.
-
A.
Saint Lawrence Seaway Development Corporation
The Saint Lawrence Seaway Development Corporation is a U.S. federal agency responsible for operating and maintaining the American portion of the St. Lawrence Seaway, a key commercial shipping route connecting the Great Lakes to the Atlantic Ocean.
-
B.
Great Lakes Works
Great Lakes Works is a large integrated steel manufacturing plant in Michigan known for producing flat-rolled steel products for the automotive and other industries.
-
C.
New York State Canal System
The New York State Canal System is a network of interconnected canals and waterways in New York that evolved from historic routes like the Erie Canal and now supports recreation, tourism, and limited commercial navigation.
-
D.
U.S. Army Corps of Engineers
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.
-
E.
Champlain Canal
The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
not-for-profit corporation
ⓘ
transport infrastructure operator ⓘ |
| collaboratesWith |
Canadian federal government (Ottawa)
ⓘ
surface form:
Government of Canada
Saint Lawrence Seaway Development Corporation ⓘ marine shipping industry stakeholders ⓘ |
| country | Canada ⓘ |
| focusesOn |
efficient navigation
ⓘ
reliable marine transportation ⓘ safe navigation ⓘ |
| governanceType | corporation with board of directors ⓘ |
| hasEconomicRole |
supports Canadian exports and imports via marine shipping
ⓘ
supports North American inland waterway trade ⓘ |
| hasJurisdictionOver |
Canadian Seaway channels
ⓘ
Canadian Seaway infrastructure ⓘ Canadian Seaway locks and canals ⓘ |
| hasScope | national within Canada for Seaway operations ⓘ |
| implements | Seaway operating regulations in Canada ⓘ |
| industry |
infrastructure management
ⓘ
marine transportation ⓘ |
| infrastructureTypeManaged |
canals
ⓘ
channels ⓘ locks ⓘ navigation aids ⓘ related marine facilities ⓘ |
| isBinationalComponentOf |
Great Lakes–St. Lawrence system
ⓘ
surface form:
binational St. Lawrence Seaway system
|
| legalStatus | not-for-profit ⓘ |
| locatedIn | Canada ⓘ |
| maintains | Canadian portions of the St. Lawrence Seaway ⓘ |
| manages |
Seaway infrastructure assets in Canada
ⓘ
Seaway traffic control systems in Canada ⓘ |
| operates | Canadian portions of the St. Lawrence Seaway ⓘ |
| partOf |
Great Lakes–St. Lawrence system
ⓘ
surface form:
St. Lawrence Seaway system
|
| purpose |
to maintain the Canadian portions of the St. Lawrence Seaway
ⓘ
to operate the Canadian portions of the St. Lawrence Seaway ⓘ |
| regulates | vessel transit on Canadian portions of the St. Lawrence Seaway ⓘ |
| responsibleFor |
maintenance of Canadian Seaway locks
ⓘ
navigation aids on Canadian portions of the St. Lawrence Seaway ⓘ operation of Canadian Seaway locks ⓘ safety on Canadian portions of the St. Lawrence Seaway ⓘ toll collection on Canadian portions of the St. Lawrence Seaway ⓘ traffic management on Canadian portions of the St. Lawrence Seaway ⓘ |
| routeConnects |
Atlantic Ocean
ⓘ
Great Lakes–St. Lawrence system ⓘ
surface form:
Great Lakes
|
| sector | public sector ⓘ |
| serves |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence Seaway shipping corridor
commercial shipping ⓘ international trade between Great Lakes and Atlantic Ocean ⓘ |
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: St. Lawrence Seaway Management Corporation Description of subject: The St. Lawrence Seaway Management Corporation is the Canadian, not-for-profit entity responsible for operating and maintaining the Canadian portions of the St. Lawrence Seaway, a key binational commercial shipping route between the Great Lakes and the Atlantic Ocean.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Saint Lawrence Seaway Development Corporation
→
cooperatesWith
→
St. Lawrence Seaway Management Corporation
ⓘ