Pelican Bay State Prison
E135395
Pelican Bay State Prison is a maximum-security California state prison known for housing some of the state's most dangerous inmates and for its controversial Security Housing Unit (SHU).
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pelican Bay State Prison canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1153771 — 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: Pelican Bay State Prison Context triple: [Crescent City, California, hasCorrectionalFacility, Pelican Bay State Prison]
-
A.
San Fernando Prison
San Fernando Prison was the Spanish detention facility in Cádiz where Venezuelan independence precursor Francisco de Miranda died while imprisoned.
-
B.
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.
-
C.
Richard J. Donovan Correctional Facility
Richard J. Donovan Correctional Facility is a California state prison located near San Diego that houses medium- to maximum-security inmates, including several high-profile prisoners.
-
D.
Lincoln Prison
Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
-
E.
Bilibid Prison
Bilibid Prison is a notorious high-security penitentiary complex in Muntinlupa, Metro Manila, Philippines, historically used to incarcerate prominent prisoners including war criminals.
- 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: Pelican Bay State Prison Target entity description: Pelican Bay State Prison is a maximum-security California state prison known for housing some of the state's most dangerous inmates and for its controversial Security Housing Unit (SHU).
-
A.
San Fernando Prison
San Fernando Prison was the Spanish detention facility in Cádiz where Venezuelan independence precursor Francisco de Miranda died while imprisoned.
-
B.
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.
-
C.
Richard J. Donovan Correctional Facility
Richard J. Donovan Correctional Facility is a California state prison located near San Diego that houses medium- to maximum-security inmates, including several high-profile prisoners.
-
D.
Lincoln Prison
Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
-
E.
Bilibid Prison
Bilibid Prison is a notorious high-security penitentiary complex in Muntinlupa, Metro Manila, Philippines, historically used to incarcerate prominent prisoners including war criminals.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
correctional facility
ⓘ
maximum-security prison ⓘ state prison ⓘ |
| abbreviation | PBSP ⓘ |
| category |
Buildings and structures in Del Norte County, California
ⓘ
Maximum security prisons in the United States ⓘ Prisons in California ⓘ |
| coordinates | approximately 41.8°N 124.2°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
high-risk offenders
ⓘ
long-term segregation of inmates ⓘ |
| governingBody |
California state prison system
ⓘ
surface form:
California Department of Corrections and Rehabilitation
|
| hasAcronym | SHU ⓘ |
| hasControversy |
allegations of human rights violations
ⓘ
psychological impact of isolation on inmates ⓘ use of long-term solitary confinement in SHU ⓘ |
| hasFacility | Security Housing Unit ⓘ |
| hasSecurityFeature |
armed guard towers
ⓘ
electronic surveillance systems ⓘ perimeter fences ⓘ |
| hasUnit |
Administrative Segregation
ⓘ
General Population ⓘ Protective Custody ⓘ Security Housing Unit ⓘ |
| inmatePopulationType | adult male inmates ⓘ |
| jurisdiction |
California, United States
ⓘ
surface form:
State of California
|
| knownFor |
Security Housing Unit
ⓘ
housing some of California’s most dangerous inmates ⓘ long-term solitary confinement practices ⓘ |
| locatedIn |
Crescent City, California
ⓘ
Del Norte County, California ⓘ |
| locatedNear | Pacific Ocean ⓘ |
| managedBy |
California state prison system
ⓘ
surface form:
California Department of Corrections and Rehabilitation
|
| namedAfter | Pelican Bay ⓘ |
| opened | 1989 ⓘ |
| operatedBy |
California state prison system
ⓘ
surface form:
California Department of Corrections and Rehabilitation
|
| partOf | California state prison system ⓘ |
| purpose |
incarceration of high-security-risk offenders
ⓘ
segregation of prison gang leaders and members ⓘ |
| regulator | California Office of the Inspector General ⓘ |
| securityClassification | maximum security ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| status | operational ⓘ |
| subjectOf |
court-ordered reforms to SHU policies
ⓘ
human rights criticism regarding solitary confinement ⓘ hunger strikes by inmates protesting SHU conditions ⓘ lawsuits over conditions in the Security Housing Unit ⓘ |
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: Pelican Bay State Prison Description of subject: Pelican Bay State Prison is a maximum-security California state prison known for housing some of the state's most dangerous inmates and for its controversial Security Housing Unit (SHU).
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.