Walpole Island–Algonac Ferry
E561280
The Walpole Island–Algonac Ferry is an international car and passenger ferry service that crosses the St. Clair River, linking Walpole Island in Ontario, Canada, with Algonac, Michigan, in the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Walpole Island–Algonac Ferry canonical | 1 |
| Walpole–Algonac Ferry | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6016650 — 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: Walpole Island–Algonac Ferry Context triple: [Southwestern Ontario, hasBorderCrossing, Walpole Island–Algonac Ferry]
-
A.
Muskegon–Milwaukee ferry route
The Muskegon–Milwaukee ferry route is a high-speed Lake Michigan passenger and vehicle ferry corridor linking Muskegon, Michigan, with Milwaukee, Wisconsin.
-
B.
Grosse Ile Toll Bridge
Grosse Ile Toll Bridge is a privately owned vehicular bridge in Michigan that connects Grosse Ile to the mainland across the Detroit River.
-
C.
Mackinac Bridge
The Mackinac Bridge is a major suspension bridge in Michigan that connects the state's Upper and Lower Peninsulas and is one of the longest suspension bridges in the world.
-
D.
Sault Ste. Marie Canal Swing Bridge
The Sault Ste. Marie Canal Swing Bridge is a historic movable bridge in Sault Ste. Marie, Ontario, that carries road and rail traffic across the canal near the St. Marys River.
-
E.
Washington Island Ferry Line
Washington Island Ferry Line is a ferry service that transports passengers, vehicles, and goods between Washington Island and the Door Peninsula in Wisconsin.
- 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: Walpole Island–Algonac Ferry Target entity description: The Walpole Island–Algonac Ferry is an international car and passenger ferry service that crosses the St. Clair River, linking Walpole Island in Ontario, Canada, with Algonac, Michigan, in the United States.
-
A.
Muskegon–Milwaukee ferry route
The Muskegon–Milwaukee ferry route is a high-speed Lake Michigan passenger and vehicle ferry corridor linking Muskegon, Michigan, with Milwaukee, Wisconsin.
-
B.
Grosse Ile Toll Bridge
Grosse Ile Toll Bridge is a privately owned vehicular bridge in Michigan that connects Grosse Ile to the mainland across the Detroit River.
-
C.
Mackinac Bridge
The Mackinac Bridge is a major suspension bridge in Michigan that connects the state's Upper and Lower Peninsulas and is one of the longest suspension bridges in the world.
-
D.
Sault Ste. Marie Canal Swing Bridge
The Sault Ste. Marie Canal Swing Bridge is a historic movable bridge in Sault Ste. Marie, Ontario, that carries road and rail traffic across the canal near the St. Marys River.
-
E.
Washington Island Ferry Line
Washington Island Ferry Line is a ferry service that transports passengers, vehicles, and goods between Washington Island and the Door Peninsula in Wisconsin.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
car ferry
ⓘ
ferry service ⓘ international ferry route ⓘ passenger ferry ⓘ |
| borderCrossingBetween |
Canada
ⓘ
Michigan ⓘ Ontario ⓘ United States ⓘ
linked to:
United States of America
|
| connects |
Algonac, Michigan
ⓘ
Walpole Island ⓘ |
| countryServed |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| crosses | St. Clair River ⓘ |
| hasBorderControl |
Canadian customs and immigration
ⓘ
United States customs and immigration ⓘ
linked to:
U.S. Customs and Border Protection
|
| hasEndpoint |
Algonac, Michigan
ⓘ
Walpole Island ⓘ |
| locatedIn |
Michigan
ⓘ
North America ⓘ Ontario ⓘ |
| locatedInWaterBody | St. Clair River ⓘ |
| operatesOnBorder | Canada–United States border ⓘ |
| partOf | Canada–United States border crossings ⓘ |
| riverCrossingType | water transport ⓘ |
| servesCommunity | Walpole Island First Nation ⓘ |
| terminusInCanada |
Walpole Island, Ontario
ⓘ
linked to:
Walpole Island
|
| terminusInUnitedStates | Algonac, Michigan ⓘ |
| transportMode | waterway transport ⓘ |
| usedFor |
passenger transport
ⓘ
vehicle 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: Walpole Island–Algonac Ferry Description of subject: The Walpole Island–Algonac Ferry is an international car and passenger ferry service that crosses the St. Clair River, linking Walpole Island in Ontario, Canada, with Algonac, Michigan, in the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Walpole Island–Algonac Ferry