Ontonagon River
E843929
The Ontonagon River is a waterway in Michigan’s Upper Peninsula that flows through forested and mining regions before emptying into Lake Superior.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Ontonagon River canonical | 4 |
| Cisco Branch of the Ontonagon River | 1 |
| East Branch of the Ontonagon River | 1 |
| Middle Branch of the Ontonagon River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9939587 — 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: Ontonagon River Context triple: [Lake Superior Basin, contains, Ontonagon River]
-
A.
Manistee River
The Manistee River is a major river in Michigan’s Lower Peninsula, renowned for its scenic beauty, recreational opportunities like fishing and paddling, and its largely undeveloped, forested surroundings.
-
B.
Escanaba River
The Escanaba River is a river in Michigan’s Upper Peninsula known for its forested watershed, recreational fishing, and contribution to the Lake Michigan drainage via Green Bay.
-
C.
Pottawatomi River
The Pottawatomi River is a waterway in Ontario, Canada, that flows into Georgian Bay near the city of Owen Sound.
-
D.
Tittabawassee River
The Tittabawassee River is a central waterway in central Michigan that flows through several counties and communities before joining the Saginaw River.
-
E.
Michigamme River
The Michigamme River is a river in Michigan’s Upper Peninsula known for its forested surroundings, recreational opportunities, and role in the region’s logging and mining history.
- 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: Ontonagon River Target entity description: The Ontonagon River is a waterway in Michigan’s Upper Peninsula that flows through forested and mining regions before emptying into Lake Superior.
-
A.
Manistee River
The Manistee River is a major river in Michigan’s Lower Peninsula, renowned for its scenic beauty, recreational opportunities like fishing and paddling, and its largely undeveloped, forested surroundings.
-
B.
Escanaba River
The Escanaba River is a river in Michigan’s Upper Peninsula known for its forested watershed, recreational fishing, and contribution to the Lake Michigan drainage via Green Bay.
-
C.
Pottawatomi River
The Pottawatomi River is a waterway in Ontario, Canada, that flows into Georgian Bay near the city of Owen Sound.
-
D.
Tittabawassee River
The Tittabawassee River is a central waterway in central Michigan that flows through several counties and communities before joining the Saginaw River.
-
E.
Michigamme River
The Michigamme River is a river in Michigan’s Upper Peninsula known for its forested surroundings, recreational opportunities, and role in the region’s logging and mining history.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin | Lake Superior drainage basin ⓘ |
| flowsInto | Lake Superior NERFINISHED ⓘ |
| flowsThrough |
Gogebic County, Michigan
NERFINISHED
ⓘ
Houghton County, Michigan NERFINISHED ⓘ Ontonagon County, Michigan NERFINISHED ⓘ forest region ⓘ mining region ⓘ |
| hasMouthElevation |
approximately 183 meters
ⓘ
approximately 600 feet ⓘ |
| hasNameOrigin | Ojibwe language NERFINISHED ⓘ |
| hasTributary |
East Branch Ontonagon River
NERFINISHED
ⓘ
Middle Branch Ontonagon River NERFINISHED ⓘ South Branch Ontonagon River NERFINISHED ⓘ West Branch Ontonagon River NERFINISHED ⓘ |
| locatedIn |
Michigan
NERFINISHED
ⓘ
Upper Peninsula of Michigan ⓘ |
| mouthLocation |
Ontonagon County, Michigan
NERFINISHED
ⓘ
Ontonagon, Michigan NERFINISHED ⓘ |
| nearbyWaterBody | Lake Superior NERFINISHED ⓘ |
| notableFor | historical copper mining in its watershed ⓘ |
| partOf | Lake Superior watershed ⓘ |
| region | Upper Peninsula of Michigan NERFINISHED ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| usedFor |
boating
ⓘ
fishing ⓘ recreation ⓘ |
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: Ontonagon River Description of subject: The Ontonagon River is a waterway in Michigan’s Upper Peninsula that flows through forested and mining regions before emptying into Lake Superior.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cisco Branch of the Ontonagon River
this entity surface form:
Middle Branch of the Ontonagon River
this entity surface form:
East Branch of the Ontonagon River