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.

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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 ⓘ St. Lawrence Seaway ⓘ linked to: Great Lakes–St. Lawrence system
governedBy	Transport Canada regulations ⓘ linked to: Transport Canada United States Coast Guard regulations ⓘ binational regulations ⓘ
hasPart	Port of Alpena ⓘ Port of Ashtabula ⓘ Port of Bay City ⓘ linked to: Port of Saginaw Port of Buffalo ⓘ Port of Burns Harbor ⓘ Port of Chicago ⓘ Port of Cleveland ⓘ Port of Conneaut ⓘ Port of Detroit ⓘ Port of Duluth–Superior ⓘ linked to: Port of Duluth-Superior Port of Erie ⓘ Port of Gary ⓘ Port of Goderich ⓘ Port of Green Bay ⓘ Port of Hamilton ⓘ Port of Marquette ⓘ Port of Milwaukee ⓘ linked to: Milwaukee Harbor 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 ⓘ linked to: United States of America
operatedBy	private terminal operators ⓘ public port authorities ⓘ
partOf	North American inland waterway system ⓘ linked to: Great Lakes–St. Lawrence 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