Massac County, Illinois
E494870
Massac County, Illinois is a county in the southern part of the state along the Ohio River, known for its county seat Metropolis and proximity to the Kentucky border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Massac County, Illinois canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2630932 — 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: Massac County, Illinois Context triple: [Central Illinois, contains, Massac County, Illinois]
-
A.
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.
-
B.
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.
-
C.
Menard County, Illinois
Menard County, Illinois is a rural county in the U.S. state of Illinois known for its historic connection to Abraham Lincoln and its county seat, Petersburg.
-
D.
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.
-
E.
Macon County, Illinois
Macon County, Illinois is a largely agricultural county in the U.S. state of Illinois whose county seat and largest city is Decatur.
- 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: Massac County, Illinois Target entity description: Massac County, Illinois is a county in the southern part of the state along the Ohio River, known for its county seat Metropolis and proximity to the Kentucky border.
-
A.
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.
-
B.
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.
-
C.
Menard County, Illinois
Menard County, Illinois is a rural county in the U.S. state of Illinois known for its historic connection to Abraham Lincoln and its county seat, Petersburg.
-
D.
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.
-
E.
Macon County, Illinois
Macon County, Illinois is a largely agricultural county in the U.S. state of Illinois whose county seat and largest city is Decatur.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | county of Illinois ⓘ |
| borders |
Johnson County, Illinois
NERFINISHED
ⓘ
McCracken County, Kentucky NERFINISHED ⓘ Pope County, Illinois NERFINISHED ⓘ Pulaski County, Illinois NERFINISHED ⓘ |
| borderType | land border with Kentucky across the Ohio River ⓘ |
| climate | humid subtropical climate ⓘ |
| congressionalDistrict | Illinois's 12th congressional district NERFINISHED ⓘ |
| country | United States of America ⓘ |
| countySeat | Metropolis, Illinois NERFINISHED ⓘ |
| establishedBy | Illinois General Assembly NERFINISHED ⓘ |
| fipsCode | 17127 ⓘ |
| gnisID | 0429013 ⓘ |
| governmentType | county government ⓘ |
| hasAttraction | Superman-themed attractions in Metropolis ⓘ |
| hasCity | Metropolis, Illinois NERFINISHED ⓘ |
| hasFeature |
agricultural fields
ⓘ
bottomland forests ⓘ river floodplains ⓘ |
| hasLandmark | Fort Massac State Park NERFINISHED ⓘ |
| hasMajorHighway |
Illinois Route 145
NERFINISHED
ⓘ
Illinois Route 169 NERFINISHED ⓘ Illinois Route 37 NERFINISHED ⓘ Interstate 24 NERFINISHED ⓘ U.S. Route 45 NERFINISHED ⓘ |
| hasProtectedArea | Fort Massac State Park NERFINISHED ⓘ |
| hasUnincorporatedCommunity |
Belknap, Illinois
NERFINISHED
ⓘ
Joppa, Illinois NERFINISHED ⓘ New Columbia, Illinois NERFINISHED ⓘ Round Knob, Illinois NERFINISHED ⓘ Unionville, Illinois NERFINISHED ⓘ |
| hasVillage | Brookport, Illinois NERFINISHED ⓘ |
| isPartOf | United States Census Bureau NERFINISHED ⓘ |
| isRural | true ⓘ |
| judicialDistrict | First Judicial Circuit of Illinois NERFINISHED ⓘ |
| largestCity | Metropolis, Illinois NERFINISHED ⓘ |
| legislativeBody | Massac County Board NERFINISHED ⓘ |
| locatedIn | Midwestern United States ⓘ |
| locatedInRegion | Southern Illinois NERFINISHED ⓘ |
| locatedOnRiver | Ohio River NERFINISHED ⓘ |
| namedAfter | Fort Massac NERFINISHED ⓘ |
| primaryEconomicSectors |
agriculture
ⓘ
light manufacturing ⓘ services ⓘ |
| region | Ohio River Valley 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: Massac County, Illinois Description of subject: Massac County, Illinois is a county in the southern part of the state along the Ohio River, known for its county seat Metropolis and proximity to the Kentucky border.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Masonic Cemetery, Metropolis, Illinois, United States
→
locatedInAdministrativeTerritory
→
Massac County, Illinois
ⓘ