Flathead Lake
E504093
Flathead Lake is a large natural freshwater lake in northwestern Montana, known for its clear waters, scenic mountain surroundings, and recreational opportunities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Flathead Lake canonical | 17 |
| Flathead Lake (partial) | 1 |
| Flathead Lake area | 1 |
| Flathead Lake, Montana | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5220188 — 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: Flathead Lake Context triple: [Western Montana, hasLake, Flathead Lake]
-
A.
Jackson Lake
Jackson Lake is a large glacial lake in northwestern Wyoming, renowned for its scenic setting beneath the Teton Range and its popularity for boating, fishing, and wildlife viewing.
-
B.
Bosten Lake
Bosten Lake is one of China's largest inland freshwater lakes, located in the arid region of Xinjiang and known for its ecological and agricultural importance.
-
C.
Bear Lake
Bear Lake is a scenic alpine lake in Colorado’s Rocky Mountain National Park, popular for its easy-access hiking trails and striking mountain views.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
-
E.
Lake McDonald
Lake McDonald is the largest lake in Montana’s Glacier National Park, known for its clear waters, colorful rocks, and scenic mountain backdrop.
- 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: Flathead Lake Target entity description: Flathead Lake is a large natural freshwater lake in northwestern Montana, known for its clear waters, scenic mountain surroundings, and recreational opportunities.
-
A.
Jackson Lake
Jackson Lake is a large glacial lake in northwestern Wyoming, renowned for its scenic setting beneath the Teton Range and its popularity for boating, fishing, and wildlife viewing.
-
B.
Bosten Lake
Bosten Lake is one of China's largest inland freshwater lakes, located in the arid region of Xinjiang and known for its ecological and agricultural importance.
-
C.
Bear Lake
Bear Lake is a scenic alpine lake in Colorado’s Rocky Mountain National Park, popular for its easy-access hiking trails and striking mountain views.
-
D.
Green River Lake
Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
-
E.
Lake McDonald
Lake McDonald is the largest lake in Montana’s Glacier National Park, known for its clear waters, colorful rocks, and scenic mountain backdrop.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
natural freshwater lake
ⓘ
tourist attraction ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| borderedBy |
Flathead National Forest
ⓘ
Mission Mountains ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation |
approximately 2,893 feet
ⓘ
approximately 882 meters ⓘ |
| governedBy |
State of Montana
ⓘ
linked to:
Montana
|
| hasFishSpecies |
kokanee salmon
ⓘ
lake trout ⓘ whitefish ⓘ yellow perch ⓘ |
| hasIsland |
Bird Island
ⓘ
Cedar Island ⓘ Douglas Island ⓘ Melita Island ⓘ Wild Horse Island ⓘ |
| hasShorelineLength |
approximately 160 miles
ⓘ
approximately 257 kilometers ⓘ |
| inflow |
Flathead River
ⓘ
Swan River ⓘ |
| knownFor |
boating
ⓘ
camping ⓘ clear water ⓘ fishing ⓘ recreational opportunities ⓘ sailing ⓘ scenic mountain surroundings ⓘ swimming ⓘ |
| length |
approximately 27 miles
ⓘ
approximately 43 kilometers ⓘ |
| locatedIn | Montana ⓘ |
| locatedInCounty |
Flathead County, Montana
ⓘ
linked to:
Flathead County
Lake County, Montana ⓘ |
| locatedInRegion |
northwestern Montana
ⓘ
linked to:
Northwestern Montana
|
| locatedInValley | Flathead Valley ⓘ |
| locatedNear |
Bigfork, Montana
ⓘ
Kalispell, Montana ⓘ
linked to:
Kalispell
Polson, Montana ⓘ
linked to:
Polson
|
| maxDepth |
approximately 113 meters
ⓘ
approximately 370 feet ⓘ |
| maxWidth |
approximately 15 miles
ⓘ
approximately 24 kilometers ⓘ |
| near | Glacier National Park ⓘ |
| outflow | Flathead River ⓘ |
| partOf |
Flathead River basin
ⓘ
linked to:
Flathead River
|
| surfaceArea |
approximately 191 square miles
ⓘ
approximately 495 square kilometers ⓘ |
| waterType | freshwater ⓘ |
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: Flathead Lake Description of subject: Flathead Lake is a large natural freshwater lake in northwestern Montana, known for its clear waters, scenic mountain surroundings, and recreational opportunities.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
western Montana
linked to: Flathead Lake
linked to: Flathead Lake
subject linked to:
Lake County
subject linked to:
Lake County
linked to: Flathead Lake