Black Hawk County
E51387
Black Hawk County is a county in northeastern Iowa that includes the city of Cedar Falls and has Waterloo as its county seat.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Black Hawk County canonical | 12 |
| Black Hawk County region | 2 |
| Black Hawk County Sheriff | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T402561 — 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: Black Hawk County Context triple: [Cedar Falls, Iowa, county, Black Hawk County]
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A.
Poweshiek County, Iowa
Poweshiek County, Iowa is a rural county in central Iowa known for its agricultural landscape and for being home to Grinnell College in the city of Grinnell.
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B.
Sioux County, Iowa
Sioux County, Iowa is a rural county in northwestern Iowa known for its strong Dutch-American heritage and agricultural economy.
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C.
Crawford County
Crawford County is a rural county in central Georgia known for its agricultural landscape and small-town communities west of Macon.
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D.
Iowa County, Iowa
Iowa County, Iowa is a rural county in east-central Iowa known for its agricultural landscape and small communities, including the Amana Colonies.
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E.
Pottawattamie County, Iowa
Pottawattamie County, Iowa is a county in the southwestern part of the state, known for its county seat and largest city, Council Bluffs, which lies across the Missouri River from Omaha, Nebraska.
- 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: Black Hawk County Target entity description: Black Hawk County is a county in northeastern Iowa that includes the city of Cedar Falls and has Waterloo as its county seat.
-
A.
Poweshiek County, Iowa
Poweshiek County, Iowa is a rural county in central Iowa known for its agricultural landscape and for being home to Grinnell College in the city of Grinnell.
-
B.
Sioux County, Iowa
Sioux County, Iowa is a rural county in northwestern Iowa known for its strong Dutch-American heritage and agricultural economy.
-
C.
Crawford County
Crawford County is a rural county in central Georgia known for its agricultural landscape and small-town communities west of Macon.
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D.
Iowa County, Iowa
Iowa County, Iowa is a rural county in east-central Iowa known for its agricultural landscape and small communities, including the Amana Colonies.
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E.
Pottawattamie County, Iowa
Pottawattamie County, Iowa is a county in the southwestern part of the state, known for its county seat and largest city, Council Bluffs, which lies across the Missouri River from Omaha, Nebraska.
- F. None of above. chosen
Statements (46)
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: Black Hawk County Description of subject: Black Hawk County is a county in northeastern Iowa that includes the city of Cedar Falls and has Waterloo as its county seat.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Black Hawk County
linked to: Black Hawk County
linked to: Black Hawk County