Great Lakes port system
E179506
inland waterway port network
maritime transport system
port system
transportation infrastructure network
The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Great Lakes port system canonical | 4 |
| Great Lakes shipping network | 2 |
| Canadian Great Lakes ports network | 1 |
| Great Lakes commercial shipping | 1 |
| Great Lakes ports network | 1 |
| Great Lakes shipping industry | 1 |
| Lake Michigan ports | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1572255 — 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 port system Context triple: [Port of Marquette, partOf, Great Lakes port system]
-
A.
Port of Duluth-Superior
The Port of Duluth-Superior is a major Great Lakes and inland seaport complex handling bulk cargoes such as iron ore, coal, and grain, serving as a key transportation hub for the Upper Midwest.
-
B.
Great Lakes waterway
The Great Lakes waterway is a system of natural and artificial channels that enables commercial and recreational navigation between the Great Lakes and the Atlantic Ocean via the Saint Lawrence River.
-
C.
Port of Detroit
The Port of Detroit is a major Great Lakes and river port that serves as a key hub for cargo shipping and maritime commerce in southeastern Michigan.
-
D.
Port of Marquette
The Port of Marquette is a commercial harbor on Lake Superior that serves as a key shipping point for bulk commodities in Michigan’s Upper Peninsula.
-
E.
Port of Toledo
The Port of Toledo is a commercial and industrial maritime facility in Toledo, Ohio, serving as a key shipping hub on the Great Lakes–St. Lawrence Seaway 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: Great Lakes port system Target entity description: The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
-
A.
Port of Duluth-Superior
The Port of Duluth-Superior is a major Great Lakes and inland seaport complex handling bulk cargoes such as iron ore, coal, and grain, serving as a key transportation hub for the Upper Midwest.
-
B.
Great Lakes waterway
The Great Lakes waterway is a system of natural and artificial channels that enables commercial and recreational navigation between the Great Lakes and the Atlantic Ocean via the Saint Lawrence River.
-
C.
Port of Detroit
The Port of Detroit is a major Great Lakes and river port that serves as a key hub for cargo shipping and maritime commerce in southeastern Michigan.
-
D.
Port of Marquette
The Port of Marquette is a commercial harbor on Lake Superior that serves as a key shipping point for bulk commodities in Michigan’s Upper Peninsula.
-
E.
Port of Toledo
The Port of Toledo is a commercial and industrial maritime facility in Toledo, Ohio, serving as a key shipping hub on the Great Lakes–St. Lawrence Seaway system.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
inland waterway port network
ⓘ
maritime transport system ⓘ port system ⓘ transportation infrastructure network ⓘ |
| connectedTo |
Atlantic Ocean
ⓘ
Great Lakes–St. Lawrence system ⓘ
surface form:
St. Lawrence Seaway
|
| governedBy |
Transport Canada
ⓘ
surface form:
Transport Canada regulations
United States Coast Guard regulations ⓘ binational regulations ⓘ |
| hasPart |
Port of Alpena
ⓘ
Port of Ashtabula ⓘ Port of Saginaw ⓘ
surface form:
Port of Bay City
Port of Buffalo ⓘ Port of Burns Harbor ⓘ Port of Chicago ⓘ Port of Cleveland ⓘ Port of Conneaut ⓘ Port of Detroit ⓘ Port of Duluth-Superior ⓘ
surface form:
Port of Duluth–Superior
Port of Erie ⓘ Port of Gary ⓘ Port of Goderich ⓘ Port of Green Bay ⓘ Port of Hamilton ⓘ Port of Marquette ⓘ Milwaukee Harbor ⓘ
surface form:
Port of Milwaukee
Port of Montreal ⓘ Port of Muskegon ⓘ Port of Nanticoke ⓘ Port of Ogdensburg ⓘ Port of Sarnia ⓘ Port of Sault Ste. Marie ⓘ Port of Sept-Îles ⓘ Port of Thunder Bay ⓘ Port of Toledo ⓘ Port of Toronto ⓘ Port of Windsor ⓘ |
| locatedIn |
Canada
ⓘ
Great Lakes region ⓘ North America ⓘ United States of America ⓘ
surface form:
United States
|
| operatedBy |
private terminal operators
ⓘ
public port authorities ⓘ |
| partOf |
Great Lakes–St. Lawrence system
ⓘ
surface form:
North American inland waterway system
|
| seasonality | navigation season typically March to January ⓘ |
| subjectTo |
environmental protection rules
ⓘ
ice navigation constraints ⓘ |
| supports |
industrial supply chains
ⓘ
international trade ⓘ regional trade ⓘ |
| traverses |
Lake Erie
ⓘ
Lake Huron ⓘ Lake Michigan ⓘ Lake Ontario ⓘ Lake Superior ⓘ |
| usedFor |
automobile transport
ⓘ
bulk cargo transport ⓘ coal transport ⓘ container shipping ⓘ general cargo shipping ⓘ grain export ⓘ iron ore transport ⓘ petroleum products transport ⓘ |
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 port system Description of subject: The Great Lakes port system is a network of interconnected commercial and industrial ports on the North American Great Lakes that supports regional and international shipping, trade, and transportation.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Canadian Great Lakes ports network
this entity surface form:
Great Lakes ports network
this entity surface form:
Great Lakes commercial shipping
this entity surface form:
Great Lakes shipping network
this entity surface form:
Lake Michigan ports
this entity surface form:
Great Lakes shipping network
this entity surface form:
Great Lakes shipping industry