Saint Lawrence River crossing system
E870291
Canada–United States border infrastructure
cross-border transportation system
transportation infrastructure network
The Saint Lawrence River crossing system is a network of international bridges and related infrastructure that facilitate transportation and trade between Canada and the United States across the Saint Lawrence River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Saint Lawrence River crossing system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10552419 — 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: Saint Lawrence River crossing system Context triple: [Ogdensburg–Prescott International Bridge, partOf, Saint Lawrence River crossing system]
-
A.
Lachine Canal
The Lachine Canal is a historic industrial waterway in Montreal, Canada, that once bypassed the Lachine Rapids to facilitate shipping and now serves as a popular recreational corridor.
-
B.
Champlain Bridge (Ottawa River)
The Champlain Bridge over the Ottawa River is a major vehicular bridge linking the cities of Gatineau, Quebec, and Ottawa, Ontario, as part of the National Capital Region’s interprovincial transportation network.
-
C.
Pont Chaudière
Pont Chaudière is a road and pedestrian bridge spanning the Ottawa River between Ottawa, Ontario, and Gatineau, Quebec, near the Chaudière Falls in Canada.
-
D.
Ottawa River crossing corridor
The Ottawa River crossing corridor is a key transportation route that encompasses multiple bridges and links between Ottawa, Ontario and Gatineau, Quebec across the Ottawa River.
-
E.
Rideau Canal
The Rideau Canal is a historic waterway in Ontario and Quebec, Canada, renowned as a UNESCO World Heritage Site and one of the oldest continuously operated canals in North America.
- 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: Saint Lawrence River crossing system Target entity description: The Saint Lawrence River crossing system is a network of international bridges and related infrastructure that facilitate transportation and trade between Canada and the United States across the Saint Lawrence River.
-
A.
Lachine Canal
The Lachine Canal is a historic industrial waterway in Montreal, Canada, that once bypassed the Lachine Rapids to facilitate shipping and now serves as a popular recreational corridor.
-
B.
Champlain Bridge (Ottawa River)
The Champlain Bridge over the Ottawa River is a major vehicular bridge linking the cities of Gatineau, Quebec, and Ottawa, Ontario, as part of the National Capital Region’s interprovincial transportation network.
-
C.
Pont Chaudière
Pont Chaudière is a road and pedestrian bridge spanning the Ottawa River between Ottawa, Ontario, and Gatineau, Quebec, near the Chaudière Falls in Canada.
-
D.
Ottawa River crossing corridor
The Ottawa River crossing corridor is a key transportation route that encompasses multiple bridges and links between Ottawa, Ontario and Gatineau, Quebec across the Ottawa River.
-
E.
Rideau Canal
The Rideau Canal is a historic waterway in Ontario and Quebec, Canada, renowned as a UNESCO World Heritage Site and one of the oldest continuously operated canals in North America.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Canada–United States border infrastructure
ⓘ
cross-border transportation system ⓘ transportation infrastructure network ⓘ |
| borderType | land border crossing system ⓘ |
| connectsJurisdiction |
Province of Ontario
ⓘ
linked to:
Ontario
Province of Quebec ⓘ
linked to:
province of Quebec
State of Maine ⓘ
linked to:
Maine
State of New York ⓘ
linked to:
New York State
State of Vermont ⓘ
linked to:
Vermont
|
| countryServed |
Canada
ⓘ
United States of America ⓘ |
| crosses | Canada–United States border ⓘ |
| facilitates |
commercial trucking
ⓘ
cross-border transportation ⓘ international trade ⓘ passenger vehicle travel ⓘ tourism ⓘ |
| hasPart |
Ogdensburg–Prescott International Bridge
ⓘ
Seaway International Bridge ⓘ Seaway Skyway (Cornwall–Massena crossing complex) ⓘ
linked to:
Seaway International Bridge
Thousand Islands Bridge ⓘ approach roads ⓘ border inspection facilities ⓘ connecting highways ⓘ customs plazas ⓘ toll plazas ⓘ |
| infrastructureType |
border crossings
ⓘ
inspection facilities ⓘ road bridges ⓘ |
| locatedOn | Saint Lawrence River ⓘ |
| maintainedBy |
Canadian federal agencies
ⓘ
United States federal agencies ⓘ
linked to:
U.S. federal agencies
binational bridge authorities ⓘ |
| purpose |
to provide reliable cross-border links over the Saint Lawrence River
ⓘ
to support economic integration between Canada and the United States ⓘ |
| region |
Great Lakes–Saint Lawrence region
ⓘ
linked to:
Great Lakes–St. Lawrence system
|
| riverCrossed | Saint Lawrence River ⓘ |
| strategicImportance |
key component of North American supply chains
ⓘ
major corridor for Canada–US trade ⓘ |
| supportsModeOfTransport |
buses
ⓘ
freight transport ⓘ private automobiles ⓘ road 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: Saint Lawrence River crossing system Description of subject: The Saint Lawrence River crossing system is a network of international bridges and related infrastructure that facilitate transportation and trade between Canada and the United States across the Saint Lawrence River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.