Number Four Prison
E538291
Number Four Prison is a historic Johannesburg jail notorious for its harsh conditions and for holding many anti-apartheid activists, now preserved as part of the Constitution Hill heritage site.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Number Four Prison canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5679369 — 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: Number Four Prison Context triple: [Constitution Hill, hasPart, Number Four Prison]
-
A.
Ellis Unit
Ellis Unit is a management area within Washington State’s Willapa National Wildlife Refuge, known for its protected coastal habitats and wildlife conservation.
-
B.
Valley State Prison
Valley State Prison is a California state correctional facility for men located in the city of Chowchilla.
-
C.
San Fernando Prison
San Fernando Prison was the Spanish detention facility in Cádiz where Venezuelan independence precursor Francisco de Miranda died while imprisoned.
-
D.
Four Mile Correctional Center
Four Mile Correctional Center is a state prison facility located in Fremont County, Colorado, that houses incarcerated individuals under the Colorado Department of Corrections.
-
E.
Kaliti Prison
Kaliti Prison is a notorious high-security detention facility in Addis Ababa, Ethiopia, known for holding political prisoners, journalists, and government critics under harsh conditions.
- 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: Number Four Prison Target entity description: Number Four Prison is a historic Johannesburg jail notorious for its harsh conditions and for holding many anti-apartheid activists, now preserved as part of the Constitution Hill heritage site.
-
A.
Ellis Unit
Ellis Unit is a management area within Washington State’s Willapa National Wildlife Refuge, known for its protected coastal habitats and wildlife conservation.
-
B.
Valley State Prison
Valley State Prison is a California state correctional facility for men located in the city of Chowchilla.
-
C.
San Fernando Prison
San Fernando Prison was the Spanish detention facility in Cádiz where Venezuelan independence precursor Francisco de Miranda died while imprisoned.
-
D.
Four Mile Correctional Center
Four Mile Correctional Center is a state prison facility located in Fremont County, Colorado, that houses incarcerated individuals under the Colorado Department of Corrections.
-
E.
Kaliti Prison
Kaliti Prison is a notorious high-security detention facility in Addis Ababa, Ethiopia, known for holding political prisoners, journalists, and government critics under harsh conditions.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
heritage site component
ⓘ
historic prison ⓘ |
| alsoKnownAs |
No. 4 Prison
NERFINISHED
ⓘ
Number 4 Prison NERFINISHED ⓘ Old Fort Prison Number Four NERFINISHED ⓘ |
| architecturalStyle | late 19th-century prison architecture ⓘ |
| cityDistrict | Braamfontein NERFINISHED ⓘ |
| country | South Africa ⓘ |
| currentUse |
educational facility
ⓘ
memorial site ⓘ museum ⓘ |
| exhibits |
cells of political prisoners
ⓘ
displays on prison conditions ⓘ testimonies of former inmates ⓘ |
| governedBy | Constitution Hill Trust NERFINISHED ⓘ |
| hasCategory |
Apartheid museums
ⓘ
Historic sites in South Africa ⓘ Museums in Johannesburg ⓘ Prisons in Johannesburg ⓘ |
| heritageStatus | preserved historic site ⓘ |
| knownFor |
abuse of prisoners
ⓘ
harsh prison conditions ⓘ overcrowding ⓘ role in South African anti-apartheid history ⓘ |
| locatedIn |
Constitution Hill
NERFINISHED
ⓘ
Gauteng ⓘ Johannesburg NERFINISHED ⓘ |
| near | Constitutional Court of South Africa NERFINISHED ⓘ |
| openToPublic | true ⓘ |
| operatedBy | Johannesburg municipal authorities NERFINISHED ⓘ |
| partOf |
Constitution Hill heritage site
NERFINISHED
ⓘ
Constitution Hill museum complex NERFINISHED ⓘ Old Fort Prison complex NERFINISHED ⓘ |
| significance |
site of memory for political prisoners
ⓘ
symbol of racial oppression under apartheid ⓘ |
| theme |
history of apartheid
ⓘ
human rights education ⓘ political imprisonment ⓘ |
| tourismType |
dark tourism site
ⓘ
heritage tourism site ⓘ |
| usedFor |
detention of anti-apartheid activists
ⓘ
detention of black male prisoners ⓘ detention of political prisoners ⓘ |
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: Number Four Prison Description of subject: Number Four Prison is a historic Johannesburg jail notorious for its harsh conditions and for holding many anti-apartheid activists, now preserved as part of the Constitution Hill heritage site.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.