Lake St. Clair
E27287
Lake St. Clair is a freshwater lake in the Great Lakes region between Michigan and Ontario, serving as a key link in the St. Lawrence Seaway between Lake Huron and Lake Erie.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lake St. Clair canonical | 56 |
| Lake St Clair | 6 |
| Lake St. Clair watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T128670 — 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: Lake St. Clair Context triple: [Detroit, locatedNear, Lake St. Clair]
-
A.
Lake Huron
Lake Huron is one of North America's five Great Lakes, known for its vast size, clear waters, and extensive shoreline dotted with islands, including Manitoulin Island, the world's largest freshwater island.
-
B.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
-
C.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
-
D.
Lake Superior
Lake Superior is the largest and northernmost of North America's Great Lakes, renowned for its vast size, cold clear waters, and rugged surrounding shoreline.
-
E.
Lake Macatawa
Lake Macatawa is a freshwater inland lake in western Michigan known for its recreational boating, fishing, and connection to Lake Michigan via a navigable channel.
- 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: Lake St. Clair Target entity description: Lake St. Clair is a freshwater lake in the Great Lakes region between Michigan and Ontario, serving as a key link in the St. Lawrence Seaway between Lake Huron and Lake Erie.
-
A.
Lake Huron
Lake Huron is one of North America's five Great Lakes, known for its vast size, clear waters, and extensive shoreline dotted with islands, including Manitoulin Island, the world's largest freshwater island.
-
B.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
-
C.
Lake Erie
Lake Erie is one of North America's five Great Lakes, known for its relatively shallow depth, rich fisheries, and major role in regional shipping and recreation.
-
D.
Lake Superior
Lake Superior is the largest and northernmost of North America's Great Lakes, renowned for its vast size, cold clear waters, and rugged surrounding shoreline.
-
E.
Lake Macatawa
Lake Macatawa is a freshwater inland lake in western Michigan known for its recreational boating, fishing, and connection to Lake Michigan via a navigable channel.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ transboundary lake ⓘ |
| averageDepth | approximately 3.4 meters ⓘ |
| basinCountry |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| borderedBy |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| connectedBy |
Detroit River
ⓘ
St. Clair River ⓘ |
| connectsWaterbody |
Lake Erie
ⓘ
Lake Huron ⓘ |
| country |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| elevation |
approximately 175 meters above sea level
ⓘ
approximately 574 feet above sea level ⓘ |
| environmentalIssue |
algal blooms
ⓘ
habitat loss ⓘ nutrient pollution ⓘ |
| fishSpecies |
muskellunge
ⓘ
smallmouth bass ⓘ walleye ⓘ yellow perch ⓘ |
| hasIsland |
Harsens Island
ⓘ
Walpole Island ⓘ |
| hasShorelineUse |
marinas
ⓘ
residential development ⓘ wetlands ⓘ |
| inflow | St. Clair River ⓘ |
| locatedIn |
Essex County, Ontario
ⓘ
Great Lakes region ⓘ Macomb County, Michigan ⓘ Michigan (most of state) ⓘ
surface form:
Michigan
North America ⓘ Ontario ⓘ St. Clair County, Michigan ⓘ |
| locatedNear |
Detroit
ⓘ
Windsor, Ontario ⓘ |
| maximumDepth | approximately 8.2 meters ⓘ |
| outflow | Detroit River ⓘ |
| partOf |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes Basin
Saint Lawrence River ⓘ
surface form:
St. Lawrence River watershed
Great Lakes–St. Lawrence system ⓘ
surface form:
St. Lawrence Seaway system
|
| surfaceArea |
approximately 1,114 square kilometers
ⓘ
approximately 430 square miles ⓘ |
| usedFor |
commercial shipping
ⓘ
recreational boating ⓘ sport fishing ⓘ waterfowl hunting ⓘ |
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: Lake St. Clair Description of subject: Lake St. Clair is a freshwater lake in the Great Lakes region between Michigan and Ontario, serving as a key link in the St. Lawrence Seaway between Lake Huron and Lake Erie.
Referenced by (63)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern Michigan
subject surface form:
Eastern Michigan
this entity surface form:
Lake St Clair
this entity surface form:
Lake St Clair
this entity surface form:
Lake St Clair