East St. Louis, Illinois
E54909
East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
All labels observed (3)
| Label | Occurrences |
|---|---|
| East St. Louis, Illinois canonical | 11 |
| East St. Louis, Illinois, United States | 3 |
| East St. Louis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T398896 — 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: East St. Louis, Illinois Context triple: [Pittsburgh, Cincinnati, Chicago and St. Louis Railroad, servedCity, East St. Louis, Illinois]
-
A.
Winfield, Illinois
Winfield, Illinois is a suburban village in the Chicago metropolitan area known for its residential character and proximity to major medical and forest preserve facilities.
-
B.
St. Louis, Missouri, United States
St. Louis, Missouri, United States is a major Midwestern city on the Mississippi River known for its iconic Gateway Arch, rich musical and cultural heritage, and historical role as a gateway to the American West.
-
C.
Springfield, Illinois
Springfield, Illinois is the capital city of the U.S. state of Illinois, best known as the longtime home and final resting place of Abraham Lincoln.
-
D.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
E.
Harvey, Illinois
Harvey, Illinois is a small, historically industrial suburb located south of Chicago.
- 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: East St. Louis, Illinois Target entity description: East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
-
A.
Winfield, Illinois
Winfield, Illinois is a suburban village in the Chicago metropolitan area known for its residential character and proximity to major medical and forest preserve facilities.
-
B.
St. Louis, Missouri, United States
St. Louis, Missouri, United States is a major Midwestern city on the Mississippi River known for its iconic Gateway Arch, rich musical and cultural heritage, and historical role as a gateway to the American West.
-
C.
Springfield, Illinois
Springfield, Illinois is the capital city of the U.S. state of Illinois, best known as the longtime home and final resting place of Abraham Lincoln.
-
D.
Calumet City, Illinois
Calumet City, Illinois is a suburban city in the Chicago metropolitan area known historically for its industrial roots and proximity to the Indiana state line.
-
E.
Harvey, Illinois
Harvey, Illinois is a small, historically industrial suburb located south of Chicago.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| adjacentTo |
Cahokia Mounds region
ⓘ
surface form:
Cahokia, Illinois
Centreville, Illinois ⓘ Washington Park, Illinois ⓘ |
| areaCode | 618 ⓘ |
| belongsTo |
Rust Belt
ⓘ
surface form:
United States Midwest urban industrial belt
|
| connectedByBridgeTo |
St. Louis, Missouri, United States
ⓘ
surface form:
St. Louis, Missouri
|
| country |
United States of America
ⓘ
surface form:
United States
|
| county | St. Clair County, Illinois ⓘ |
| governmentType | mayor–council government ⓘ |
| hasBorder | Mississippi River ⓘ |
| hasCharacteristic |
historically significant rail infrastructure
ⓘ
post-industrial economic challenges ⓘ riverfront industrial areas ⓘ |
| hasFunction |
industrial city
ⓘ
transportation node ⓘ |
| historicallyDependentOnIndustry |
manufacturing
ⓘ
meatpacking ⓘ railroad-related industries ⓘ steel industry ⓘ |
| historicalRole |
industrial center
ⓘ
major rail hub ⓘ major transportation hub ⓘ |
| locatedIn |
southern Illinois
ⓘ
surface form:
southwestern Illinois
|
| locatedInMetropolitanArea |
Northeastern Illinois
ⓘ
surface form:
Metro East
|
| locatedInRegion |
Midwestern United States
ⓘ
surface form:
American Midwest
Illinois side of the St. Louis metropolitan area ⓘ |
| locatedNear |
Cahokia Mounds region
ⓘ
surface form:
Cahokia Mounds State Historic Site
|
| locatedOn | eastern bank of the Mississippi River ⓘ |
| locatedOnRiver | Mississippi River ⓘ |
| locatedOppositeCity |
St. Louis, Missouri, United States
ⓘ
surface form:
St. Louis, Missouri
|
| namedFor |
St. Louis, Missouri, United States
ⓘ
surface form:
St. Louis, Missouri
|
| partOf |
St. Louis metropolitan area
ⓘ
surface form:
Greater St. Louis metropolitan area
|
| partOfEconomicRegion |
St. Louis metropolitan area
ⓘ
surface form:
St. Louis economic area
|
| postalCodeType | ZIP Code ⓘ |
| state | Illinois ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| transportationCorridor |
major east–west highway routes
ⓘ
major east–west rail routes ⓘ |
| transportationInfrastructure |
bridges over the Mississippi River
ⓘ
highways ⓘ rail yards ⓘ |
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: East St. Louis, Illinois Description of subject: East St. Louis, Illinois is an industrial city in southwestern Illinois, located directly across the Mississippi River from St. Louis, Missouri, historically known as a major rail and transportation hub.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
East St. Louis, Illinois, United States
this entity surface form:
East St. Louis, Illinois, United States
subject surface form:
Southern Illinois
subject surface form:
Red Line (St. Louis MetroLink)
this entity surface form:
East St. Louis
this entity surface form:
East St. Louis, Illinois, United States