Marshalltown
E418810
Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Marshalltown, Iowa | 3 |
| Marshalltown canonical | 2 |
| Marshalltown City Council | 1 |
| Marshalltown, Iowa, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3956889 — 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: Marshalltown Context triple: [Iowa River, flowsThrough, Marshalltown]
-
A.
Cedar Rapids
Cedar Rapids is a 2011 American comedy film starring Ed Helms as a naive insurance agent navigating unexpected misadventures at a regional conference in Iowa.
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B.
Washington, Iowa
Washington, Iowa is a small city in southeastern Iowa known for its historic downtown, agricultural surroundings, and role as a local commercial and cultural hub.
-
C.
Ottumwa, Iowa
Ottumwa, Iowa is a small city in southeastern Iowa known as a regional hub on the Des Moines River with a mix of industrial, rail, and agricultural heritage.
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D.
Council Bluffs
Council Bluffs is a city in western Iowa, located along the Missouri River across from Omaha, Nebraska, known historically as a key railroad hub and gateway to the American West.
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E.
Oskaloosa, Iowa
Oskaloosa, Iowa is a small city in southeastern Iowa known for its historic downtown, rich coal-mining heritage, and role as a regional commercial and cultural center.
- 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: Marshalltown Target entity description: Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
-
A.
Cedar Rapids
Cedar Rapids is a 2011 American comedy film starring Ed Helms as a naive insurance agent navigating unexpected misadventures at a regional conference in Iowa.
-
B.
Washington, Iowa
Washington, Iowa is a small city in southeastern Iowa known for its historic downtown, agricultural surroundings, and role as a local commercial and cultural hub.
-
C.
Ottumwa, Iowa
Ottumwa, Iowa is a small city in southeastern Iowa known as a regional hub on the Des Moines River with a mix of industrial, rail, and agricultural heritage.
-
D.
Council Bluffs
Council Bluffs is a city in western Iowa, located along the Missouri River across from Omaha, Nebraska, known historically as a key railroad hub and gateway to the American West.
-
E.
Oskaloosa, Iowa
Oskaloosa, Iowa is a small city in southeastern Iowa known for its historic downtown, rich coal-mining heritage, and role as a regional commercial and cultural center.
- F. None of above. chosen
Statements (43)
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: Marshalltown Description of subject: Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Central Iowa
this entity surface form:
Marshalltown, Iowa, United States
this entity surface form:
Marshalltown, Iowa
this entity surface form:
Marshalltown, Iowa
this entity surface form:
Marshalltown, Iowa
this entity surface form:
Marshalltown City Council