Maumee River
E213620
The Maumee River is a major waterway in the Midwestern United States that flows through northwest Ohio into Lake Erie, historically important for transportation, industry, and regional development.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Maumee River canonical | 26 |
| Maumee River watershed | 6 |
| Maumee River valley | 2 |
| Maumee | 1 |
| Maumee River basin | 1 |
| Maumee River near Defiance, Ohio | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1195616 — 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: Maumee River Context triple: [Toledo, locatedOn, Maumee River]
-
A.
Pere Marquette River
The Pere Marquette River is a scenic, free-flowing river in western Michigan renowned for its trout and salmon fishing, paddling opportunities, and largely undeveloped natural surroundings.
-
B.
Calumet River
The Calumet River is an industrially significant waterway in the Chicago metropolitan area that connects Lake Michigan to a network of canals and rivers in Illinois and Indiana.
-
C.
St. Joseph River
The St. Joseph River is a major river in the Midwestern United States that flows through Michigan and Indiana before emptying into Lake Michigan at the city of St. Joseph, Michigan.
-
D.
Huron River
The Huron River is a major river in southeastern Michigan known for flowing through communities like Ann Arbor and Ypsilanti and supporting extensive recreational activities and natural habitats.
-
E.
Wabash River
The Wabash River is a major Midwestern U.S. river that forms much of the border between Indiana and Illinois before flowing southwest to join the Ohio River.
- 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: Maumee River Target entity description: The Maumee River is a major waterway in the Midwestern United States that flows through northwest Ohio into Lake Erie, historically important for transportation, industry, and regional development.
-
A.
Pere Marquette River
The Pere Marquette River is a scenic, free-flowing river in western Michigan renowned for its trout and salmon fishing, paddling opportunities, and largely undeveloped natural surroundings.
-
B.
Calumet River
The Calumet River is an industrially significant waterway in the Chicago metropolitan area that connects Lake Michigan to a network of canals and rivers in Illinois and Indiana.
-
C.
St. Joseph River
The St. Joseph River is a major river in the Midwestern United States that flows through Michigan and Indiana before emptying into Lake Michigan at the city of St. Joseph, Michigan.
-
D.
Huron River
The Huron River is a major river in southeastern Michigan known for flowing through communities like Ann Arbor and Ypsilanti and supporting extensive recreational activities and natural habitats.
-
E.
Wabash River
The Wabash River is a major Midwestern U.S. river that forms much of the border between Indiana and Illinois before flowing southwest to join the Ohio River.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWithCity |
Defiance, Ohio
ⓘ
Maumee, Ohio ⓘ Napoleon, Ohio ⓘ Perrysburg, Ohio ⓘ Toledo ⓘ
surface form:
Toledo, Ohio
|
| associatedWithEthnicGroup | Miami people ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connectedTo |
Miami and Erie Canal
ⓘ
Wabash and Erie Canal ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy |
numerous road bridges
ⓘ
railroad bridges ⓘ |
| drainageBasin |
Maumee River
self-linksurface differs
ⓘ
surface form:
Maumee River watershed
|
| drainsInto | Lake Erie ⓘ |
| emptiesInto | Lake Erie ⓘ |
| environmentalIssue |
harmful algal blooms in western Lake Erie
ⓘ
nutrient pollution ⓘ |
| flowsThrough |
northeastern Indiana
ⓘ
northwest Ohio ⓘ |
| historicalSignificance |
important for regional development in northwest Ohio
ⓘ
site of early canal and shipping development ⓘ strategic route during early American frontier period ⓘ |
| historicalUse |
industrial waterway
ⓘ
trade route ⓘ transportation route ⓘ |
| knownFor |
agricultural runoff issues
ⓘ
contributing nutrients to western Lake Erie ⓘ |
| length |
approximately 130 miles
ⓘ
approximately 210 km ⓘ |
| locatedIn |
Indiana
ⓘ
Midwestern United States ⓘ Ohio ⓘ |
| majorTributaryOf | Lake Erie ⓘ |
| mouthLocatedIn |
Lake Erie
ⓘ
Toledo ⓘ
surface form:
Toledo, Ohio
|
| nameOrigin | derived from the Miami tribe name ⓘ |
| partOf |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence River drainage basin
|
| passesThrough |
Defiance, Ohio
ⓘ
Fort Wayne, Indiana ⓘ Maumee, Ohio ⓘ Napoleon, Ohio ⓘ Perrysburg, Ohio ⓘ |
| region | Great Lakes region ⓘ |
| sourceConfluenceOf |
St. Joseph River
ⓘ
surface form:
St. Joseph River (Maumee River tributary)
St. Marys River (Maumee River tributary) ⓘ |
| sourceLocation | Fort Wayne, Indiana ⓘ |
| 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: Maumee River Description of subject: The Maumee River is a major waterway in the Midwestern United States that flows through northwest Ohio into Lake Erie, historically important for transportation, industry, and regional development.
Referenced by (37)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Maumee
this entity surface form:
Maumee River near Defiance, Ohio
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River valley
this entity surface form:
Maumee River valley
this entity surface form:
Maumee River watershed
this entity surface form:
Maumee River basin