Big Stone Lake
E492491
Big Stone Lake is a long, narrow border lake between Minnesota and South Dakota that serves as the headwaters of the Minnesota River and is popular for fishing and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Big Stone Lake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3393666 — 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: Big Stone Lake Context triple: [Minnesota River, sourceLocation, Big Stone Lake]
-
A.
White Lake
White Lake is a small resort town and natural freshwater lake in southeastern North Carolina known for its clear, spring-fed waters and recreational tourism.
-
B.
Sturgeon Lake
Sturgeon Lake is a prominent freshwater lake in south-central Ontario, Canada, known for recreational boating, fishing, and its role in the Kawartha Lakes region’s cottage and tourism industry.
-
C.
Lake Winnebago
Lake Winnebago is a large freshwater lake in east-central Wisconsin, known for its recreational fishing, boating, and role as a key feature of the Fox River–Lake Winnebago watershed.
-
D.
Gull Lake
Gull Lake is a scenic freshwater lake in Ontario, Canada, known for recreation, cottages, and its proximity to the town of Gravenhurst in the Muskoka region.
-
E.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
- 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: Big Stone Lake Target entity description: Big Stone Lake is a long, narrow border lake between Minnesota and South Dakota that serves as the headwaters of the Minnesota River and is popular for fishing and recreation.
-
A.
White Lake
White Lake is a small resort town and natural freshwater lake in southeastern North Carolina known for its clear, spring-fed waters and recreational tourism.
-
B.
Sturgeon Lake
Sturgeon Lake is a prominent freshwater lake in south-central Ontario, Canada, known for recreational boating, fishing, and its role in the Kawartha Lakes region’s cottage and tourism industry.
-
C.
Lake Winnebago
Lake Winnebago is a large freshwater lake in east-central Wisconsin, known for its recreational fishing, boating, and role as a key feature of the Fox River–Lake Winnebago watershed.
-
D.
Gull Lake
Gull Lake is a scenic freshwater lake in Ontario, Canada, known for recreation, cottages, and its proximity to the town of Gravenhurst in the Muskoka region.
-
E.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
border lake
ⓘ
lake ⓘ |
| averageDepth | about 16 feet ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| damCompletedIn | 1937 ⓘ |
| elevationAboveSeaLevel | about 965 feet ⓘ |
| hasBoatAccess | multiple public boat launches ⓘ |
| hasCampground |
Big Stone Lake State Park campground
ⓘ
Hartford Beach State Park campground NERFINISHED ⓘ |
| hasCityOnShore |
Big Stone City, South Dakota
NERFINISHED
ⓘ
Hartford Beach, South Dakota NERFINISHED ⓘ Ortonville, Minnesota NERFINISHED ⓘ |
| hasDam | Big Stone Lake Dam NERFINISHED ⓘ |
| hasProtectedAreaOnShore |
Big Stone Lake State Park
NERFINISHED
ⓘ
Hartford Beach State Park NERFINISHED ⓘ |
| hasRecreationalTrail | Big Stone Lake State Park trails ⓘ |
| inflow | Little Minnesota River NERFINISHED ⓘ |
| length | about 26 miles ⓘ |
| locatedIn |
Minnesota
ⓘ
South Dakota NERFINISHED ⓘ |
| locatedInCounty |
Big Stone County, Minnesota
NERFINISHED
ⓘ
Grant County, South Dakota NERFINISHED ⓘ Lac qui Parle County, Minnesota NERFINISHED ⓘ Roberts County, South Dakota NERFINISHED ⓘ |
| locatedInRegion | Upper Midwest NERFINISHED ⓘ |
| locatedInWatershed | Mississippi River watershed NERFINISHED ⓘ |
| locatedOnBorderBetween |
Minnesota
NERFINISHED
ⓘ
South Dakota NERFINISHED ⓘ |
| managingAgency | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| maximumDepth | about 35 feet ⓘ |
| maximumWidth | about 1 mile ⓘ |
| mouthOf | Minnesota River NERFINISHED ⓘ |
| nameOrigin | named for large granite outcrops in the area ⓘ |
| outflow | Minnesota River NERFINISHED ⓘ |
| partOf | Minnesota River basin NERFINISHED ⓘ |
| popularFishSpecies |
black crappie
ⓘ
bluegill ⓘ largemouth bass ⓘ northern pike NERFINISHED ⓘ walleye ⓘ white bass ⓘ yellow perch ⓘ |
| reservoirCreatedBy | Big Stone Lake Dam NERFINISHED ⓘ |
| sourceOf | Minnesota River NERFINISHED ⓘ |
| surfaceArea | about 12,610 acres ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ recreation ⓘ sport fishing ⓘ |
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: Big Stone Lake Description of subject: Big Stone Lake is a long, narrow border lake between Minnesota and South Dakota that serves as the headwaters of the Minnesota River and is popular for fishing and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.