Detroit International Bridge Company
E633600
Detroit International Bridge Company is a private firm that owns and operates the Ambassador Bridge, a major international crossing between Detroit, Michigan, and Windsor, Ontario.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Detroit International Bridge Company canonical | 2 |
| Grosse Ile Bridge Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6978750 — 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: Detroit International Bridge Company Context triple: [Ambassador Bridge, owner, Detroit International Bridge Company]
-
A.
Mackinac Bridge Authority
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
B.
John A. Roebling’s Sons Company
John A. Roebling’s Sons Company was a prominent American wire rope and steel manufacturer best known for producing the cables used in major suspension bridges such as the Brooklyn Bridge.
-
C.
Federal Bridge Corporation (Canada)
The Federal Bridge Corporation (Canada) is a Canadian Crown corporation responsible for owning, operating, and maintaining several major international bridge crossings between Canada and the United States.
-
D.
American Bridge Company
American Bridge Company is a major U.S. engineering and construction firm historically known for building large-scale steel structures such as bridges and skyscrapers.
-
E.
Puget Sound Bridge and Dredging Company
Puget Sound Bridge and Dredging Company was a major American marine construction and shipbuilding firm based in the Pacific Northwest, known for building naval vessels and large-scale maritime infrastructure.
- 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: Detroit International Bridge Company Target entity description: Detroit International Bridge Company is a private firm that owns and operates the Ambassador Bridge, a major international crossing between Detroit, Michigan, and Windsor, Ontario.
-
A.
Mackinac Bridge Authority
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
B.
John A. Roebling’s Sons Company
John A. Roebling’s Sons Company was a prominent American wire rope and steel manufacturer best known for producing the cables used in major suspension bridges such as the Brooklyn Bridge.
-
C.
Federal Bridge Corporation (Canada)
The Federal Bridge Corporation (Canada) is a Canadian Crown corporation responsible for owning, operating, and maintaining several major international bridge crossings between Canada and the United States.
-
D.
American Bridge Company
American Bridge Company is a major U.S. engineering and construction firm historically known for building large-scale steel structures such as bridges and skyscrapers.
-
E.
Puget Sound Bridge and Dredging Company
Puget Sound Bridge and Dredging Company was a major American marine construction and shipbuilding firm based in the Pacific Northwest, known for building naval vessels and large-scale maritime infrastructure.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
bridge operating company
ⓘ
private company ⓘ |
| bridgeCrossingType | international border crossing ⓘ |
| controlsAccessTo | Ambassador Bridge NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAssetType | suspension bridge ⓘ |
| hasBusinessActivity |
collection of bridge tolls
ⓘ
maintenance of Ambassador Bridge ⓘ operation of international border crossing ⓘ |
| hasLegalForm | privately held company ⓘ |
| hasStrategicImportance | US–Canada trade corridor NERFINISHED ⓘ |
| hasTransportMode | road transport ⓘ |
| headquartersLocation | Detroit, Michigan NERFINISHED ⓘ |
| industry |
toll bridge operations
ⓘ
transportation infrastructure ⓘ |
| isLocatedNear | Detroit River NERFINISHED ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| notableWork | Ambassador Bridge NERFINISHED ⓘ |
| operates | Ambassador Bridge NERFINISHED ⓘ |
| operatesInfrastructure | international road bridge between Detroit and Windsor ⓘ |
| operatesInJurisdiction |
Canada
NERFINISHED
ⓘ
Michigan NERFINISHED ⓘ Ontario NERFINISHED ⓘ United States NERFINISHED ⓘ |
| owns | Ambassador Bridge NERFINISHED ⓘ |
| serves |
Detroit, Michigan
NERFINISHED
ⓘ
Windsor, Ontario NERFINISHED ⓘ cross-border commercial traffic ⓘ cross-border passenger traffic ⓘ |
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: Detroit International Bridge Company Description of subject: Detroit International Bridge Company is a private firm that owns and operates the Ambassador Bridge, a major international crossing between Detroit, Michigan, and Windsor, Ontario.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grosse Ile Bridge Company