Villisca, Iowa
E777836
Villisca, Iowa is a small city in southwestern Iowa best known for the infamous 1912 Villisca axe murders and the historic house that remains a notable tourist attraction.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Villisca, Iowa canonical | 1 |
| Villisca, Iowa, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9095598 — 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: Villisca, Iowa Context triple: [Montgomery County, Iowa, hasCommunity, Villisca, Iowa]
-
A.
Janesville, Iowa
Janesville, Iowa is a small Midwestern city located in northeastern Iowa along the Cedar River.
-
B.
Osceola, Iowa
Osceola, Iowa is a small city in south-central Iowa that serves as the county seat of Clarke County and a regional hub for transportation and local commerce.
-
C.
Jesup, Iowa
Jesup, Iowa is a small rural city in northeastern Iowa known for its close-knit community and location spanning Black Hawk and Buchanan counties.
-
D.
Milford, Iowa
Milford, Iowa is a small city in northwestern Iowa known as the "Gateway to the Iowa Great Lakes," serving as a local hub near the popular Okoboji vacation area.
-
E.
Riverside, Iowa
Riverside, Iowa is a small city best known as the self-proclaimed future birthplace of Star Trek’s Captain James T. Kirk.
- 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: Villisca, Iowa Target entity description: Villisca, Iowa is a small city in southwestern Iowa best known for the infamous 1912 Villisca axe murders and the historic house that remains a notable tourist attraction.
-
A.
Janesville, Iowa
Janesville, Iowa is a small Midwestern city located in northeastern Iowa along the Cedar River.
-
B.
Osceola, Iowa
Osceola, Iowa is a small city in south-central Iowa that serves as the county seat of Clarke County and a regional hub for transportation and local commerce.
-
C.
Jesup, Iowa
Jesup, Iowa is a small rural city in northeastern Iowa known for its close-knit community and location spanning Black Hawk and Buchanan counties.
-
D.
Milford, Iowa
Milford, Iowa is a small city in northwestern Iowa known as the "Gateway to the Iowa Great Lakes," serving as a local hub near the popular Okoboji vacation area.
-
E.
Riverside, Iowa
Riverside, Iowa is a small city best known as the self-proclaimed future birthplace of Star Trek’s Captain James T. Kirk.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| coordinateLocation | 40.929°N 94.972°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | Midwestern United States ⓘ |
| county | Montgomery County, Iowa NERFINISHED ⓘ |
| elevationAboveSeaLevel | approximately 1,200 feet ⓘ |
| hasAreaCode | 712 ⓘ |
| hasAttractionType | dark tourism site ⓘ |
| hasEconomySector |
agriculture
ⓘ
tourism ⓘ |
| hasEvent | 1912 Villisca axe murders ⓘ |
| hasGovernmentType | mayor–council government ⓘ |
| hasHistoricEvent | unsolved family homicide in 1912 ⓘ |
| hasHistoricSite | Villisca Axe Murder House NERFINISHED ⓘ |
| hasPostalCode | 50864 ⓘ |
| hasRegion | rural Iowa ⓘ |
| hasSettlementType | city ⓘ |
| hasTouristAttraction | Villisca Axe Murder House NERFINISHED ⓘ |
| isInMetropolitanArea | non-metropolitan rural area of Iowa ⓘ |
| knownFor |
Villisca Axe Murder House
NERFINISHED
ⓘ
Villisca axe murders NERFINISHED ⓘ |
| locatedInRegion | southwestern Iowa NERFINISHED ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| partOf |
Montgomery County, Iowa
NERFINISHED
ⓘ
Iowa ⓘ
surface form:
State of Iowa
United States of America ⓘ
surface form:
United States
|
| state | Iowa ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
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: Villisca, Iowa Description of subject: Villisca, Iowa is a small city in southwestern Iowa best known for the infamous 1912 Villisca axe murders and the historic house that remains a notable tourist attraction.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Villisca, Iowa, United States