Lake Itasca
E211300
Lake Itasca is a small glacial lake in northern Minnesota best known as the headwaters of the Mississippi River.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lake Itasca canonical | 14 |
| Cass Lake as the source of the Mississippi River | 1 |
| Lake Itasca, Minnesota (unincorporated community) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1416609 — 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 Itasca Context triple: [Mississippi River, sourceLocation, Lake Itasca]
-
A.
Lac La Croix
Lac La Croix is a large, remote border lake between Ontario and Minnesota known for its wilderness canoe routes, fishing, and access to Quetico Provincial Park and the Boundary Waters.
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B.
Lake of the Woods
Lake of the Woods is a large, island-dotted freshwater lake in northwestern Ontario that extends into Manitoba and Minnesota and is known for its fishing, boating, and scenic wilderness.
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C.
Siskiwit Lake
Siskiwit Lake is a large inland lake on Isle Royale in Lake Superior, known for its clear waters, remote wilderness setting, and recreational fishing opportunities.
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D.
Red Lake
Red Lake is a high-elevation alpine lake in the Sierra Nevada of California, known for its scenic mountain setting and outdoor recreation opportunities.
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E.
Red Lake
Red Lake is a remote mining and tourism community in northwestern Ontario, Canada, known for its rich gold deposits and access to wilderness and fishing.
- 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 Itasca Target entity description: Lake Itasca is a small glacial lake in northern Minnesota best known as the headwaters of the Mississippi River.
-
A.
Lac La Croix
Lac La Croix is a large, remote border lake between Ontario and Minnesota known for its wilderness canoe routes, fishing, and access to Quetico Provincial Park and the Boundary Waters.
-
B.
Lake of the Woods
Lake of the Woods is a large, island-dotted freshwater lake in northwestern Ontario that extends into Manitoba and Minnesota and is known for its fishing, boating, and scenic wilderness.
-
C.
Siskiwit Lake
Siskiwit Lake is a large inland lake on Isle Royale in Lake Superior, known for its clear waters, remote wilderness setting, and recreational fishing opportunities.
-
D.
Red Lake
Red Lake is a high-elevation alpine lake in the Sierra Nevada of California, known for its scenic mountain setting and outdoor recreation opportunities.
-
E.
Red Lake
Red Lake is a remote mining and tourism community in northwestern Ontario, Canada, known for its rich gold deposits and access to wilderness and fishing.
- F. None of above. chosen
Statements (46)
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 Itasca Description of subject: Lake Itasca is a small glacial lake in northern Minnesota best known as the headwaters of the Mississippi River.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lake Itasca
Pike expedition to the headwaters of the Mississippi River
→
mistakenIdentification
→
Cass Lake as the source of the Mississippi River
ⓘ
linked to: Lake Itasca