Jefferson County, Illinois
E474174
Jefferson County, Illinois is a largely rural county in southern Illinois whose seat is the city of Mount Vernon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jefferson County, Illinois canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T2630921 — 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: Jefferson County, Illinois Context triple: [Central Illinois, contains, Jefferson County, Illinois]
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A.
Madison County, Illinois
Madison County, Illinois is a county in southwestern Illinois that forms part of the St. Louis metropolitan area, encompassing a mix of industrial cities, suburbs, and rural communities.
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B.
Pike County, Illinois
Pike County, Illinois is a largely rural county in western Illinois along the Mississippi River, known for its agricultural landscape, historic small towns, and location between the cities of Quincy and Springfield.
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C.
Washington County, Illinois
Washington County, Illinois is a predominantly rural county in southern Illinois known for its agricultural economy and small communities, with Nashville as its county seat.
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D.
Marion County, Illinois
Marion County, Illinois is a predominantly rural county in south-central Illinois known for its agricultural economy and small communities such as its county seat, Salem.
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E.
Fayette County, Illinois
Fayette County, Illinois is a predominantly rural county in south-central Illinois, with Vandalia as its county seat and a history tied to early state government and agriculture.
- 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: Jefferson County, Illinois Target entity description: Jefferson County, Illinois is a largely rural county in southern Illinois whose seat is the city of Mount Vernon.
-
A.
Madison County, Illinois
Madison County, Illinois is a county in southwestern Illinois that forms part of the St. Louis metropolitan area, encompassing a mix of industrial cities, suburbs, and rural communities.
-
B.
Pike County, Illinois
Pike County, Illinois is a largely rural county in western Illinois along the Mississippi River, known for its agricultural landscape, historic small towns, and location between the cities of Quincy and Springfield.
-
C.
Washington County, Illinois
Washington County, Illinois is a predominantly rural county in southern Illinois known for its agricultural economy and small communities, with Nashville as its county seat.
-
D.
Marion County, Illinois
Marion County, Illinois is a predominantly rural county in south-central Illinois known for its agricultural economy and small communities such as its county seat, Salem.
-
E.
Fayette County, Illinois
Fayette County, Illinois is a predominantly rural county in south-central Illinois, with Vandalia as its county seat and a history tied to early state government and agriculture.
- F. None of above. chosen
Statements (47)
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: Jefferson County, Illinois Description of subject: Jefferson County, Illinois is a largely rural county in southern Illinois whose seat is the city of Mount Vernon.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.