St. Clair County
E876912
St. Clair County is a county in southwestern Illinois, part of the Greater St. Louis metropolitan area, known for its mix of suburban communities, transportation hubs, and historical ties to early Illinois settlement.
All labels observed (1)
| Label | Occurrences |
|---|---|
| St. Clair County canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10569891 — 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: St. Clair County Context triple: [MidAmerica St. Louis Airport, owner, St. Clair County]
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A.
St. Clair County
St. Clair County is a county in the U.S. state of Alabama, located in the central part of the state and known for having two county seats, Ashville and Pell City.
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B.
St. Clair County
St. Clair County is a county in eastern Michigan located along the St. Clair River, forming part of the border between the United States and Canada.
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C.
Warren County
Warren County is a county in northeastern New York State known for encompassing much of the Adirondack Mountains and popular tourist destinations such as Lake George.
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D.
Warren County
Warren County is a largely rural county in northwestern New Jersey known for its small towns, farmland, and role as a residential area for commuters in the New York metropolitan region.
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E.
Warren County
Warren County is a county in western Mississippi known for its seat, the historic river city of Vicksburg, a key site in the American Civil War.
- 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: St. Clair County Target entity description: St. Clair County is a county in southwestern Illinois, part of the Greater St. Louis metropolitan area, known for its mix of suburban communities, transportation hubs, and historical ties to early Illinois settlement.
-
A.
St. Clair County
St. Clair County is a county in the U.S. state of Alabama, located in the central part of the state and known for having two county seats, Ashville and Pell City.
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B.
St. Clair County
St. Clair County is a county in eastern Michigan located along the St. Clair River, forming part of the border between the United States and Canada.
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C.
Warren County
Warren County is a largely rural county in northwestern New Jersey known for its small towns, farmland, and role as a residential area for commuters in the New York metropolitan region.
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D.
Warren County
Warren County is a county in western Mississippi known for its seat, the historic river city of Vicksburg, a key site in the American Civil War.
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E.
Warren County
Warren County is a rural county in northwestern Pennsylvania known for its forests, outdoor recreation, and location along the Allegheny River.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
administrative territorial entity
ⓘ
county ⓘ |
| borderedBy | Mississippi River NERFINISHED ⓘ |
| bordersState | Missouri NERFINISHED ⓘ |
| contains |
Belleville, Illinois
NERFINISHED
ⓘ
Cahokia Heights, Illinois NERFINISHED ⓘ Cahokia Mounds State Historic Site NERFINISHED ⓘ East St. Louis, Illinois NERFINISHED ⓘ Fairview Heights, Illinois NERFINISHED ⓘ Mascoutah, Illinois NERFINISHED ⓘ MidAmerica St. Louis Airport NERFINISHED ⓘ O’Fallon, Illinois NERFINISHED ⓘ Scott Air Force Base NERFINISHED ⓘ Shiloh, Illinois NERFINISHED ⓘ Southwestern Illinois College (Belleville campus) NERFINISHED ⓘ St. Louis Downtown Airport NERFINISHED ⓘ Swansea, Illinois NERFINISHED ⓘ |
| country | United States of America ⓘ |
| countySeat | Belleville, Illinois NERFINISHED ⓘ |
| follows | Illinois county government structure ⓘ |
| governmentType | county government ⓘ |
| hasBorder |
Clinton County, Illinois
NERFINISHED
ⓘ
Madison County, Illinois NERFINISHED ⓘ Monroe County, Illinois NERFINISHED ⓘ Randolph County, Illinois NERFINISHED ⓘ Washington County, Illinois NERFINISHED ⓘ |
| hasCharacteristic |
historical ties to early Illinois settlement
ⓘ
suburban communities ⓘ transportation hubs ⓘ |
| hasExecutive | St. Clair County Board Chairman NERFINISHED ⓘ |
| hasLegislativeBody | St. Clair County Board NERFINISHED ⓘ |
| hasMajorIndustry |
logistics
ⓘ
military-related services ⓘ transportation ⓘ |
| isPartOf | United States Census Bureau’s St. Louis, MO–IL Metropolitan Statistical Area NERFINISHED ⓘ |
| locatedIn |
Illinois
ⓘ
Midwestern United States ⓘ St. Louis metropolitan area NERFINISHED ⓘ southwestern Illinois NERFINISHED ⓘ |
| locatedOn | eastern bank of the Mississippi River ⓘ |
| namedAfter | Arthur St. Clair NERFINISHED ⓘ |
| observesDaylightSavingTime | true ⓘ |
| partOf |
Greater St. Louis
NERFINISHED
ⓘ
Metro East NERFINISHED ⓘ |
| postalAbbreviationState | IL ⓘ |
| seat | Belleville, Illinois NERFINISHED ⓘ |
| state | Illinois ⓘ |
| timeZone | Central Time Zone ⓘ |
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: St. Clair County Description of subject: St. Clair County is a county in southwestern Illinois, part of the Greater St. Louis metropolitan area, known for its mix of suburban communities, transportation hubs, and historical ties to early Illinois settlement.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.