City of Colfax, Iowa
E413844
The City of Colfax is a small Iowa community known historically for its mineral springs and location along the South Skunk River, east of Des Moines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Colfax, Iowa, United States | 2 |
| City of Colfax, Iowa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4103420 — 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: City of Colfax, Iowa Context triple: [Jasper County, Iowa, contains, City of Colfax, Iowa]
-
A.
River City, Iowa
River City, Iowa is the fictional small Midwestern town that serves as the primary backdrop for Meredith Willson’s classic musical "The Music Man."
-
B.
Charles City, Iowa
Charles City, Iowa is a small northeastern Iowa community known for its historic role in tractor manufacturing and its location along the Cedar River.
-
C.
Central City, Iowa
Central City, Iowa is a small town in eastern Iowa situated along the Wapsipinicon River, known for its rural community character and annual local festivals.
-
D.
Forest City, Iowa
Forest City, Iowa is a small northern Iowa community known as the longtime home of Winnebago Industries and a gateway to nearby lakes and outdoor recreation.
-
E.
Coralville, Iowa
Coralville, Iowa is a growing suburban city in eastern Iowa, located near Iowa City and known for its shopping centers, recreational amenities, and proximity to the University of Iowa.
- 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: City of Colfax, Iowa Target entity description: The City of Colfax is a small Iowa community known historically for its mineral springs and location along the South Skunk River, east of Des Moines.
-
A.
River City, Iowa
River City, Iowa is the fictional small Midwestern town that serves as the primary backdrop for Meredith Willson’s classic musical "The Music Man."
-
B.
Charles City, Iowa
Charles City, Iowa is a small northeastern Iowa community known for its historic role in tractor manufacturing and its location along the Cedar River.
-
C.
Central City, Iowa
Central City, Iowa is a small town in eastern Iowa situated along the Wapsipinicon River, known for its rural community character and annual local festivals.
-
D.
Forest City, Iowa
Forest City, Iowa is a small northern Iowa community known as the longtime home of Winnebago Industries and a gateway to nearby lakes and outdoor recreation.
-
E.
Coralville, Iowa
Coralville, Iowa is a growing suburban city in eastern Iowa, located near Iowa City and known for its shopping centers, recreational amenities, and proximity to the University of Iowa.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| areaCode | 515 ⓘ |
| country |
United States of America
ⓘ
surface form:
USA
United States of America ⓘ |
| county | Jasper County, Iowa NERFINISHED ⓘ |
| governmentType | mayor–council government ⓘ |
| hasFeature |
historic downtown district
ⓘ
parks along the South Skunk River ⓘ |
| hasHistoricalRole | regional health resort based on mineral springs ⓘ |
| hasLandUse |
residential community
ⓘ
small-town commercial center ⓘ |
| hasNaturalResource | mineral water ⓘ |
| knownFor |
historic spa and resort activity
ⓘ
mineral springs ⓘ |
| locatedEastOf | Des Moines, Iowa ⓘ |
| locatedIn |
Iowa
ⓘ
Jasper County, Iowa NERFINISHED ⓘ Midwestern United States ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOnRiver | South Skunk River NERFINISHED ⓘ |
| partOf |
Des Moines metropolitan area
NERFINISHED
ⓘ
Jasper County, Iowa ⓘ
surface form:
Jasper County, Iowa micropolitan area
|
| postalCode | 50054 ⓘ |
| primaryTransportation | road transportation ⓘ |
| state |
Iowa
ⓘ
U.S. state of Iowa ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| watercourse | South Skunk River NERFINISHED ⓘ |
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: City of Colfax, Iowa Description of subject: The City of Colfax is a small Iowa community known historically for its mineral springs and location along the South Skunk River, east of Des Moines.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Colfax, Iowa, United States
this entity surface form:
Colfax, Iowa, United States