Keweenaw Waterway
E297397
The Keweenaw Waterway is a navigable canal and natural waterway system in Michigan’s Upper Peninsula that cuts across the Keweenaw Peninsula, connecting Lake Superior’s north and south shores.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Keweenaw Waterway canonical | 5 |
| Keweenaw Waterway shipping canal | 1 |
| Portage River (Keweenaw Waterway) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2774800 — 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: Keweenaw Waterway Context triple: [Houghton, Michigan, locatedNear, Keweenaw Waterway]
-
A.
Straits of Mackinac
The Straits of Mackinac are a narrow waterway in the U.S. state of Michigan that connect Lake Michigan and Lake Huron and separate Michigan’s Upper and Lower Peninsulas.
-
B.
Sault Ste. Marie Canal
The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
-
C.
Inland Waterway (Michigan)
Inland Waterway (Michigan) is a connected chain of rivers and lakes in northern Michigan popular for boating, fishing, and scenic recreation.
-
D.
Hood Canal
Hood Canal is a long, narrow fjord-like arm of Puget Sound in western Washington known for its scenic shorelines, shellfish beds, and recreational boating and fishing.
-
E.
St. Clair River
The St. Clair River is a major waterway forming part of the border between the United States and Canada, flowing south from Lake Huron toward Lake St. Clair as a key segment of the Great Lakes–St. Lawrence Seaway.
- 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: Keweenaw Waterway Target entity description: The Keweenaw Waterway is a navigable canal and natural waterway system in Michigan’s Upper Peninsula that cuts across the Keweenaw Peninsula, connecting Lake Superior’s north and south shores.
-
A.
Straits of Mackinac
The Straits of Mackinac are a narrow waterway in the U.S. state of Michigan that connect Lake Michigan and Lake Huron and separate Michigan’s Upper and Lower Peninsulas.
-
B.
Sault Ste. Marie Canal
The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
-
C.
Inland Waterway (Michigan)
Inland Waterway (Michigan) is a connected chain of rivers and lakes in northern Michigan popular for boating, fishing, and scenic recreation.
-
D.
Hood Canal
Hood Canal is a long, narrow fjord-like arm of Puget Sound in western Washington known for its scenic shorelines, shellfish beds, and recreational boating and fishing.
-
E.
St. Clair River
The St. Clair River is a major waterway forming part of the border between the United States and Canada, flowing south from Lake Huron toward Lake St. Clair as a key segment of the Great Lakes–St. Lawrence Seaway.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
shipping channel ⓘ waterway ⓘ |
| connectedTo |
Portage River
ⓘ
Sturgeon River Sloughs ⓘ |
| connects | Lake Superior north shore to Lake Superior south shore across Keweenaw Peninsula ⓘ |
| connectsBodyOfWater | Lake Superior ⓘ |
| connectsShore |
north shore of Lake Superior
ⓘ
south shore of Lake Superior ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | Portage Lake Lift Bridge ⓘ |
| crosses | Keweenaw Peninsula ⓘ |
| hasBasinCountry |
United States of America
ⓘ
surface form:
United States
|
| hasBridge | Portage Lake Lift Bridge ⓘ |
| hasPart |
North Entry
ⓘ
Portage Canal ⓘ Portage Lake ⓘ South Entry ⓘ Torch Lake ⓘ |
| historicalUse | copper mining transportation ⓘ |
| locatedIn |
Keweenaw Peninsula
ⓘ
Michigan ⓘ Upper Peninsula of Michigan ⓘ |
| locatedOnContinent | North America ⓘ |
| maintainedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| mouthLocatedAt |
Lake Superior North Entry
ⓘ
Lake Superior North Entry ⓘ
surface form:
Lake Superior South Entry
|
| navigable | yes ⓘ |
| partOf | Great Lakes waterway system ⓘ |
| passesNear |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan ⓘ |
| region |
Houghton County, Michigan
NERFINISHED
ⓘ
Keweenaw County, Michigan NERFINISHED ⓘ |
| usedFor |
commercial shipping
ⓘ
navigation ⓘ recreational boating ⓘ |
| waterwayType |
partly artificial canal
ⓘ
partly natural waterway ⓘ |
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: Keweenaw Waterway Description of subject: The Keweenaw Waterway is a navigable canal and natural waterway system in Michigan’s Upper Peninsula that cuts across the Keweenaw Peninsula, connecting Lake Superior’s north and south shores.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Portage River (Keweenaw Waterway)
this entity surface form:
Keweenaw Waterway shipping canal