Derby, Iowa
E405758
Derby, Iowa is a small rural city located in Lucas County in the south-central region of the state.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Derby, Iowa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4015387 — 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: Derby, Iowa Context triple: [Lucas County, Iowa, hasCity, Derby, Iowa]
-
A.
Denver, Iowa
Denver, Iowa is a small city in Bremer County known for its close-knit community, quality schools, and location within northeastern Iowa’s Cedar Valley region.
-
B.
DeWitt, Iowa
DeWitt, Iowa is a small city in eastern Iowa known as a local commercial and residential hub within Clinton County.
-
C.
Hartford, Iowa
Hartford, Iowa is a small city in south-central Iowa that forms part of the Des Moines metropolitan area.
-
D.
Delmar, Iowa
Delmar, Iowa is a small rural city in eastern Iowa known for its close-knit community and agricultural surroundings.
-
E.
Durant, Iowa
Durant, Iowa is a small Midwestern city located in eastern Iowa that spans multiple counties and serves as a local agricultural and residential community.
- 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: Derby, Iowa Target entity description: Derby, Iowa is a small rural city located in Lucas County in the south-central region of the state.
-
A.
Denver, Iowa
Denver, Iowa is a small city in Bremer County known for its close-knit community, quality schools, and location within northeastern Iowa’s Cedar Valley region.
-
B.
DeWitt, Iowa
DeWitt, Iowa is a small city in eastern Iowa known as a local commercial and residential hub within Clinton County.
-
C.
Hartford, Iowa
Hartford, Iowa is a small city in south-central Iowa that forms part of the Des Moines metropolitan area.
-
D.
Delmar, Iowa
Delmar, Iowa is a small rural city in eastern Iowa known for its close-knit community and agricultural surroundings.
-
E.
Durant, Iowa
Durant, Iowa is a small Midwestern city located in eastern Iowa that spans multiple counties and serves as a local agricultural and residential community.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | Midwestern United States ⓘ |
| county | Lucas County, Iowa NERFINISHED ⓘ |
| FIPSCode | 19-20135 ⓘ |
| GNISFeatureID | 0455790 ⓘ |
| governmentType | mayor–council government ⓘ |
| hasAreaCode | 641 ⓘ |
| hasClimate | humid continental climate ⓘ |
| hasMajorEconomicCharacter | agricultural surroundings ⓘ |
| hasPostalCode | 50068 ⓘ |
| hasPrimaryLanguage | English ⓘ |
| hasSettlementType | city ⓘ |
| isIncorporatedPlace | true ⓘ |
| isRural | true ⓘ |
| locatedInRegion | south-central Iowa ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedOnContinent | North America ⓘ |
| partOf |
Iowa
ⓘ
Lucas County, Iowa NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| state | Iowa ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| usesMeasurementSystem | U.S. customary units ⓘ |
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: Derby, Iowa Description of subject: Derby, Iowa is a small rural city located in Lucas County in the south-central region of the state.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.