Decatur, Illinois
E74587
Decatur, Illinois is a mid-sized industrial and agricultural city in central Illinois known historically for manufacturing, agribusiness, and its location along Lake Decatur.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Decatur, Illinois canonical | 37 |
| Decatur metropolitan area | 5 |
| Decatur | 4 |
| Decatur, Illinois, United States | 3 |
| City of Decatur, Illinois | 1 |
| Decatur, Illinois metropolitan area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T574017 — 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: Decatur, Illinois Context triple: [Illinois, hasMajorCity, Decatur, Illinois]
-
A.
Des Plaines, Illinois
Des Plaines, Illinois is a suburban city northwest of Chicago known for its proximity to O'Hare International Airport and its location along the Des Plaines River.
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B.
Woodridge, Illinois
Woodridge, Illinois is a suburban village in the Chicago metropolitan area known for its residential communities, parks, and location within DuPage County.
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C.
Arlington Heights, Illinois
Arlington Heights, Illinois is a suburban village northwest of Chicago known for its residential communities, commercial districts, and former Arlington International Racecourse.
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D.
Niles, Illinois
Niles, Illinois is a suburban village northwest of Chicago known for its residential character and landmarks like its Leaning Tower replica.
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E.
Downers Grove, Illinois
Downers Grove, Illinois is a suburban village west of Chicago known for its commuter-friendly location, strong schools, and mix of residential neighborhoods and commercial districts.
- 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: Decatur, Illinois Target entity description: Decatur, Illinois is a mid-sized industrial and agricultural city in central Illinois known historically for manufacturing, agribusiness, and its location along Lake Decatur.
-
A.
Des Plaines, Illinois
Des Plaines, Illinois is a suburban city northwest of Chicago known for its proximity to O'Hare International Airport and its location along the Des Plaines River.
-
B.
Woodridge, Illinois
Woodridge, Illinois is a suburban village in the Chicago metropolitan area known for its residential communities, parks, and location within DuPage County.
-
C.
Arlington Heights, Illinois
Arlington Heights, Illinois is a suburban village northwest of Chicago known for its residential communities, commercial districts, and former Arlington International Racecourse.
-
D.
Niles, Illinois
Niles, Illinois is a suburban village northwest of Chicago known for its residential character and landmarks like its Leaning Tower replica.
-
E.
Downers Grove, Illinois
Downers Grove, Illinois is a suburban village west of Chicago known for its commuter-friendly location, strong schools, and mix of residential neighborhoods and commercial districts.
- F. None of above. chosen
Statements (48)
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: Decatur, Illinois Description of subject: Decatur, Illinois is a mid-sized industrial and agricultural city in central Illinois known historically for manufacturing, agribusiness, and its location along Lake Decatur.
Referenced by (51)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Decatur metropolitan area