Anamosa State Penitentiary
E700885
Anamosa State Penitentiary is a historic maximum-security prison in Anamosa, Iowa, known for its large stone fortress-style architecture and role in the state’s correctional system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Anamosa State Penitentiary canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7858927 — 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: Anamosa State Penitentiary Context triple: [Anamosa, Iowa, United States, notableFor, Anamosa State Penitentiary]
-
A.
Valley State Prison
Valley State Prison is a California state correctional facility for men located in the city of Chowchilla.
-
B.
Holman Correctional Facility
Holman Correctional Facility is a maximum-security state prison in Alabama known for housing the state's death row and execution chamber.
-
C.
North Central Correctional Complex
North Central Correctional Complex is a state prison facility located near Marion in north-central Ohio that houses adult inmates under the Ohio Department of Rehabilitation and Correction.
-
D.
Montana State Prison
Montana State Prison is the primary long-term adult correctional facility for the state of Montana, operated by the Montana Department of Corrections.
-
E.
Clinton Correctional Facility
Clinton Correctional Facility is a maximum-security state prison in Dannemora, New York, known for housing high-profile inmates and its long-standing role in the New York prison system.
- 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: Anamosa State Penitentiary Target entity description: Anamosa State Penitentiary is a historic maximum-security prison in Anamosa, Iowa, known for its large stone fortress-style architecture and role in the state’s correctional system.
-
A.
Valley State Prison
Valley State Prison is a California state correctional facility for men located in the city of Chowchilla.
-
B.
Holman Correctional Facility
Holman Correctional Facility is a maximum-security state prison in Alabama known for housing the state's death row and execution chamber.
-
C.
North Central Correctional Complex
North Central Correctional Complex is a state prison facility located near Marion in north-central Ohio that houses adult inmates under the Ohio Department of Rehabilitation and Correction.
-
D.
Montana State Prison
Montana State Prison is the primary long-term adult correctional facility for the state of Montana, operated by the Montana Department of Corrections.
-
E.
Clinton Correctional Facility
Clinton Correctional Facility is a maximum-security state prison in Dannemora, New York, known for housing high-profile inmates and its long-standing role in the New York prison system.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
correctional facility
ⓘ
maximum-security prison ⓘ state prison ⓘ |
| architecturalMaterial | stone ⓘ |
| architecturalStyle | fortress-style ⓘ |
| category |
Buildings and structures in Jones County, Iowa
ⓘ
Historic prisons in the United States ⓘ Maximum security prisons in the United States ⓘ Prisons in Iowa ⓘ |
| country | United States of America ⓘ |
| describedAs | historic maximum-security prison ⓘ |
| function |
incarceration of adult offenders
ⓘ
rehabilitation of inmates ⓘ |
| governedBy | Iowa state law ⓘ |
| hasFacilityType | state penitentiary ⓘ |
| hasFeature |
administration building
ⓘ
cell blocks ⓘ controlled entry points ⓘ guard towers ⓘ perimeter walls ⓘ security fencing ⓘ visitation facilities ⓘ |
| hasInmatePopulationType | adult male offenders ⓘ |
| hasRole | major institution in Iowa’s correctional system ⓘ |
| locatedIn |
Anamosa, Iowa
ⓘ
linked to:
Anamosa, Iowa, United States
Jones County, Iowa ⓘ State of Iowa ⓘ
linked to:
Iowa
|
| locatedNear |
downtown Anamosa, Iowa
ⓘ
linked to:
Anamosa, Iowa, United States
|
| notableFor |
large stone fortress-style architecture
ⓘ
role in Iowa’s correctional system ⓘ |
| operatedBy | Iowa Department of Corrections ⓘ |
| ownedBy |
State of Iowa
ⓘ
linked to:
Iowa
|
| partOf |
Iowa state prison system
ⓘ
linked to:
Iowa Department of Corrections
|
| regionServed |
State of Iowa
ⓘ
linked to:
Iowa
|
| sector |
criminal justice
ⓘ
public safety ⓘ |
| securityClassification | maximum security ⓘ |
| status | operational ⓘ |
| usedFor |
custody of high-risk offenders
ⓘ
long-term incarceration ⓘ |
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: Anamosa State Penitentiary Description of subject: Anamosa State Penitentiary is a historic maximum-security prison in Anamosa, Iowa, known for its large stone fortress-style architecture and role in the state’s correctional system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.