Sangamon River
E130060
The Sangamon River is a central Illinois waterway that flows through several counties, including the city of Springfield, before joining the Illinois River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sangamon River canonical | 10 |
| Sangamon River watershed | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T489226 — 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: Sangamon River Context triple: [Springfield, Illinois, locatedOn, Sangamon River]
-
A.
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.
-
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.
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.
-
D.
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.
-
E.
DuPage River
The DuPage River is a tributary of the Des Plaines River in northeastern Illinois, flowing through suburban Chicago communities and providing important recreational, ecological, and drainage functions for the region.
- 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: Sangamon River Target entity description: The Sangamon River is a central Illinois waterway that flows through several counties, including the city of Springfield, before joining the Illinois River.
-
A.
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.
-
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.
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.
-
D.
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.
-
E.
DuPage River
The DuPage River is a tributary of the Des Plaines River in northeastern Illinois, flowing through suburban Chicago communities and providing important recreational, ecological, and drainage functions for the region.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Illinois ⓘ |
| drainageBasin | Mississippi River basin ⓘ |
| flowsInto | Illinois River ⓘ |
| hasWatershed |
Sangamon River watershed
ⓘ
linked to:
Sangamon River
|
| locatedIn |
central Illinois
ⓘ
linked to:
Central Illinois
|
| locatedInTimeZone | Central Time Zone ⓘ |
| mouthOf | Illinois River ⓘ |
| namedAfter | Sangamon County, Illinois ⓘ |
| partOf | Mississippi River basin ⓘ |
| passesThrough |
Cass County, Illinois
ⓘ
Champaign County, Illinois ⓘ Christian County, Illinois ⓘ Macon County, Illinois ⓘ Mason County, Illinois ⓘ Menard County, Illinois ⓘ Morgan County, Illinois ⓘ Piatt County, Illinois ⓘ Sangamon County, Illinois ⓘ Springfield, Illinois ⓘ |
| region | Midwestern United States ⓘ |
| riverSystem | Illinois River ⓘ |
| state | Illinois ⓘ |
| tributaryOf | Illinois River ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ recreation ⓘ |
| watercourseType | meandering river ⓘ |
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: Sangamon River Description of subject: The Sangamon River is a central Illinois waterway that flows through several counties, including the city of Springfield, before joining the Illinois River.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sangamon River
subject linked to:
Lincoln
linked to: Sangamon River
subject linked to:
Springfield