Great Lakes–St. Lawrence system
E9202
The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
All labels observed (56)
How this entity was disambiguated
This entity first appeared as the object of triple T16887 — 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: Great Lakes–St. Lawrence system Context triple: [North America, hasNotableFeature, Great Lakes–St. Lawrence system]
-
A.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
-
B.
Lake Ontario
Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
-
C.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
-
D.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
-
E.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
- 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: Great Lakes–St. Lawrence system Target entity description: The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
-
A.
Great Lakes
The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
-
B.
Lake Ontario
Lake Ontario is one of North America's five Great Lakes, forming part of the border between the United States and Canada and serving as a key link in the Saint Lawrence River system.
-
C.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
-
D.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
-
E.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
freshwater system ⓘ inland waterway system ⓘ |
| borderRegion |
Canada–United States border region
ⓘ
surface form:
United States–Canada border
|
| connectsTo | Atlantic Ocean ⓘ |
| continent | North America ⓘ |
| drainageAreaCountry |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| drainsFrom |
Lake Erie
ⓘ
Lake Huron ⓘ Lake Michigan ⓘ Lake Ontario ⓘ Lake Superior ⓘ |
| economicRole |
agricultural export route
ⓘ
industrial transportation route ⓘ major shipping corridor ⓘ |
| environmentalIssue |
habitat fragmentation
ⓘ
invasive aquatic species ⓘ pollution and eutrophication ⓘ |
| feature |
locks and canals
ⓘ
navigation channels ⓘ |
| flowsInto | Gulf of St. Lawrence ⓘ |
| governedBy | binational agreements between United States and Canada ⓘ |
| hasSubregion |
Great Lakes–St. Lawrence system
self-linksurface differs
ⓘ
surface form:
Lower Great Lakes
Saint Lawrence River ⓘ
surface form:
St. Lawrence River corridor
Great Lakes ⓘ
surface form:
Upper Great Lakes
|
| includes |
Great Lakes
ⓘ
Lake Erie ⓘ Lake Huron ⓘ Lake Michigan ⓘ Lake Ontario ⓘ Lake Superior ⓘ Saint Lawrence River ⓘ
surface form:
St. Lawrence River
|
| linkedBy |
Great Lakes–St. Lawrence system
self-linksurface differs
ⓘ
surface form:
Great Lakes–St. Lawrence Seaway
|
| majorRiverMouth | St. Lawrence River mouth at Gulf of St. Lawrence ⓘ |
| outletOf |
Great Lakes
ⓘ
surface form:
Great Lakes Basin
|
| passesThrough |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| primaryOutflow |
Saint Lawrence River
ⓘ
surface form:
St. Lawrence River
|
| rank | one of the world’s largest inland waterways ⓘ |
| role | link between interior of North America and Atlantic Ocean ⓘ |
| supports |
commercial navigation
ⓘ
fisheries ⓘ hydroelectric power generation ⓘ recreational boating ⓘ |
| usedFor |
bulk cargo transport
ⓘ
grain export ⓘ iron ore and coal shipping ⓘ |
| waterType | predominantly freshwater ⓘ |
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: Great Lakes–St. Lawrence system Description of subject: The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
Referenced by (212)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Great Lakes waterway system
this entity surface form:
U.S.-Canada Great Lakes routes
this entity surface form:
Great Lakes–St. Lawrence River basin
this entity surface form:
Great Lakes–St. Lawrence River system
this entity surface form:
Great Lakes–St. Lawrence Seaway trade
subject surface form:
Porte des Morts Passage
this entity surface form:
Great Lakes waterway system
this entity surface form:
Great Lakes–St. Lawrence River basin
this entity surface form:
Great Lakes region waterways
this entity surface form:
Great Lakes–St. Lawrence region
this entity surface form:
Great Lakes–St. Lawrence River basin
this entity surface form:
Great Lakes–St. Lawrence River basin
subject surface form:
Salmon Creek (Cayuga Lake)
this entity surface form:
Great Lakes–St. Lawrence River basin