Illinois River
E131807
The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T574063 — 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: Illinois River Context triple: [Illinois, hasMajorRiver, Illinois River]
-
A.
Sangamon River
The Sangamon River is a central Illinois waterway that flows through several counties, including the city of Springfield, before joining the Illinois River.
-
B.
Fox River
The Fox River is a Midwestern U.S. river that flows through Wisconsin and Illinois, supporting numerous communities and ecosystems along its course.
-
C.
Iowa River
The Iowa River is a major waterway in the U.S. state of Iowa that flows generally southeastward and ultimately joins the Mississippi River.
-
D.
Han River
The Han River is a major tributary of the Yangtze River in central China, flowing through Hubei province and the city of Wuhan.
-
E.
St. Louis River
The St. Louis River is a major river in northeastern Minnesota and northwestern Wisconsin that flows into Lake Superior, forming part of the Duluth–Superior harbor and extensive estuary system.
- 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: Illinois River Target entity description: The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
-
A.
Sangamon River
The Sangamon River is a central Illinois waterway that flows through several counties, including the city of Springfield, before joining the Illinois River.
-
B.
Fox River
The Fox River is a Midwestern U.S. river that flows through Wisconsin and Illinois, supporting numerous communities and ecosystems along its course.
-
C.
Iowa River
The Iowa River is a major waterway in the U.S. state of Iowa that flows generally southeastward and ultimately joins the Mississippi River.
-
D.
Han River
The Han River is a major tributary of the Yangtze River in central China, flowing through Hubei province and the city of Wuhan.
-
E.
St. Louis River
The St. Louis River is a major river in northeastern Minnesota and northwestern Wisconsin that flows into Lake Superior, forming part of the Duluth–Superior harbor and extensive estuary system.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connectedTo |
Great Lakes via Chicago Sanitary and Ship Canal
ⓘ
Mississippi River basin ⓘ
surface form:
Mississippi River system
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy |
numerous road bridges
ⓘ
railroad bridges ⓘ |
| drainageBasin |
Illinois River
self-linksurface differs
ⓘ
surface form:
Illinois River Basin
|
| ecoregion |
Upper Mississippi Valley
ⓘ
surface form:
Upper Mississippi River basin
|
| flowsInto | Mississippi River near Grafton, Illinois ⓘ |
| flowsThrough |
central Illinois
ⓘ
northeastern Illinois ⓘ western Illinois ⓘ |
| hasFeature | backwater lakes and wetlands ⓘ |
| hasTributary |
Des Plaines River
ⓘ
Fox River ⓘ
surface form:
Fox River (Illinois)
Kankakee River ⓘ La Moine River ⓘ Mackinaw River ⓘ Sangamon River ⓘ Spoon River ⓘ Vermilion River (Illinois River tributary) ⓘ |
| importance |
important corridor for commerce
ⓘ
important habitat for migratory birds ⓘ major route for transportation in Illinois ⓘ |
| length |
approximately 273 miles
ⓘ
approximately 439 kilometers ⓘ |
| locatedIn |
Illinois
ⓘ
Midwestern United States ⓘ
surface form:
United States Midwest
|
| managedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
U.S. Army Corps of Engineers (navigation infrastructure)
|
| mouthLocation |
Mississippi River
ⓘ
near Grafton, Illinois ⓘ |
| navigable | yes ⓘ |
| partOf |
Illinois Waterway system
ⓘ
surface form:
Illinois Waterway
|
| passesThrough |
LaSalle County, Illinois
ⓘ
Peoria, Illinois, United States ⓘ
surface form:
Peoria, Illinois
Starved Rock State Park area ⓘ |
| region |
Midwestern United States
ⓘ
surface form:
American Midwest
|
| sourceLocation |
confluence of Kankakee River and Des Plaines River
ⓘ
near Channahon, Illinois ⓘ |
| state | Illinois ⓘ |
| tributaryOf | Mississippi River ⓘ |
| usedFor |
barge transportation
ⓘ
boating ⓘ commercial navigation ⓘ recreation ⓘ sport fishing ⓘ wildlife observation ⓘ |
| waterwayRole | principal waterway of Illinois ⓘ |
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: Illinois River Description of subject: The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
Referenced by (79)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Illinois River (vicinity)
subject surface form:
Calumet-Sag Channel
this entity surface form:
Illinois River basin
this entity surface form:
Illinois River system
this entity surface form:
Illinois River basin
this entity surface form:
Illinois River (upper segment)