Port of Thunder Bay
E79449
The Port of Thunder Bay is a major Canadian inland port on Lake Superior that serves as a key hub for grain and bulk cargo shipments between the Prairies and international markets.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Port of Thunder Bay canonical | 6 |
| Thunder Bay harbour | 2 |
| Thunder Bay Harbour | 1 |
| Thunder Bay Port Authority | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T631008 — 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: Port of Thunder Bay Context triple: [Thunder Bay, hasPort, Port of Thunder Bay]
-
A.
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.
-
B.
Port of Hamilton
The Port of Hamilton is a major Canadian Great Lakes port and industrial shipping hub located in Hamilton, Ontario, serving as a key gateway for bulk cargo and steel-related trade.
-
C.
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.
-
D.
Port of Prince Rupert
The Port of Prince Rupert is a deep-water seaport in northern British Columbia that serves as a key Asia–North America trade gateway due to its short sailing distances and efficient rail connections into the continent.
-
E.
Port of Montreal
The Port of Montreal is a major international shipping hub on the St. Lawrence River that serves as one of Canada’s busiest gateways for container and bulk cargo trade.
- 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: Port of Thunder Bay Target entity description: The Port of Thunder Bay is a major Canadian inland port on Lake Superior that serves as a key hub for grain and bulk cargo shipments between the Prairies and international markets.
-
A.
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.
-
B.
Port of Hamilton
The Port of Hamilton is a major Canadian Great Lakes port and industrial shipping hub located in Hamilton, Ontario, serving as a key gateway for bulk cargo and steel-related trade.
-
C.
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.
-
D.
Port of Prince Rupert
The Port of Prince Rupert is a deep-water seaport in northern British Columbia that serves as a key Asia–North America trade gateway due to its short sailing distances and efficient rail connections into the continent.
-
E.
Port of Montreal
The Port of Montreal is a major international shipping hub on the St. Lawrence River that serves as one of Canada’s busiest gateways for container and bulk cargo trade.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
inland port
ⓘ
port ⓘ |
| cargoType |
dry bulk
ⓘ
general cargo ⓘ |
| connectsTo |
Atlantic Ocean via St. Lawrence Seaway
ⓘ
international markets ⓘ other Great Lakes ports ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| governedBy | Canada Marine Act ⓘ |
| handlesCargoFrom | Canadian Prairies ⓘ |
| hasAccessTo |
Trans-Canada Highway
ⓘ
transcontinental rail lines ⓘ |
| hasFacility |
bulk cargo terminals
ⓘ
elevators ⓘ grain terminals ⓘ highway connections ⓘ rail connections ⓘ |
| hasFeature |
deep-water harbour
ⓘ
seasonal navigation (ice-affected) ⓘ |
| jurisdiction | federal ⓘ |
| linkedTo |
Atlantic trade routes
ⓘ
Saint Lawrence River ⓘ
surface form:
St. Lawrence River
|
| locatedIn |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence Seaway system
Thunder Bay ⓘ
surface form:
Thunder Bay, Ontario
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedOn | Lake Superior ⓘ |
| operatedBy |
Port of Thunder Bay
self-linksurface differs
ⓘ
surface form:
Thunder Bay Port Authority
|
| partOf |
Great Lakes port system
ⓘ
surface form:
Canadian Great Lakes ports network
|
| primaryCargo |
bulk commodities
ⓘ
grain ⓘ |
| regionServed |
Ontario
ⓘ
Western Canada ⓘ |
| role |
key hub for bulk cargo shipments
ⓘ
key hub for grain shipments ⓘ |
| servesAs | gateway for Prairie grain exports ⓘ |
| servesIndustry |
agriculture
ⓘ
forestry ⓘ mining ⓘ |
| strategicImportance |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence grain route
Prairie export corridor ⓘ |
| transportMode |
marine
ⓘ
rail ⓘ road ⓘ |
| waterBody |
Thunder Bay (Lake Superior)
ⓘ
surface form:
Thunder Bay (bay)
|
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: Port of Thunder Bay Description of subject: The Port of Thunder Bay is a major Canadian inland port on Lake Superior that serves as a key hub for grain and bulk cargo shipments between the Prairies and international markets.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Thunder Bay Harbour
this entity surface form:
Thunder Bay Port Authority
this entity surface form:
Thunder Bay harbour
this entity surface form:
Thunder Bay harbour