Victor Verster Prison
E52261
Victor Verster Prison is a South African correctional facility best known as the place where Nelson Mandela spent the final years of his imprisonment before his release in 1990.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Drakenstein Correctional Centre | 2 |
| Victor Verster Prison canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T406317 — 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: Victor Verster Prison Context triple: [Nelson Mandela, placeOfDetention, Victor Verster Prison]
-
A.
Pollsmoor Prison
Pollsmoor Prison is a high-security South African correctional facility in Cape Town, historically notable for holding prominent anti-apartheid activists including Nelson Mandela.
-
B.
Werl Prison
Werl Prison is a correctional facility in Werl, Germany, historically used by the Allies after World War II to incarcerate high-ranking Nazi war criminals.
-
C.
Robben Island
Robben Island is a historic island off the coast of Cape Town best known for housing the prison where Nelson Mandela and other anti-apartheid activists were incarcerated.
-
D.
Landsberg Prison
Landsberg Prison is a Bavarian detention facility best known as the place where Adolf Hitler was incarcerated in 1924 and wrote much of "Mein Kampf."
-
E.
Inverness Jail
Inverness Jail is a county correctional facility in Multnomah County, Oregon, used primarily for housing pretrial detainees and sentenced inmates.
- 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: Victor Verster Prison Target entity description: Victor Verster Prison is a South African correctional facility best known as the place where Nelson Mandela spent the final years of his imprisonment before his release in 1990.
-
A.
Pollsmoor Prison
Pollsmoor Prison is a high-security South African correctional facility in Cape Town, historically notable for holding prominent anti-apartheid activists including Nelson Mandela.
-
B.
Werl Prison
Werl Prison is a correctional facility in Werl, Germany, historically used by the Allies after World War II to incarcerate high-ranking Nazi war criminals.
-
C.
Robben Island
Robben Island is a historic island off the coast of Cape Town best known for housing the prison where Nelson Mandela and other anti-apartheid activists were incarcerated.
-
D.
Landsberg Prison
Landsberg Prison is a Bavarian detention facility best known as the place where Adolf Hitler was incarcerated in 1924 and wrote much of "Mein Kampf."
-
E.
Inverness Jail
Inverness Jail is a county correctional facility in Multnomah County, Oregon, used primarily for housing pretrial detainees and sentenced inmates.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
correctional facility
ⓘ
prison ⓘ |
| alternativeName |
Drakenstein Correctional Centre
ⓘ
linked to:
Victor Verster Prison
|
| continent | Africa ⓘ |
| country | South Africa ⓘ |
| currentUse | operational correctional centre ⓘ |
| formerPrisoner | Nelson Mandela ⓘ |
| governingBody | Department of Correctional Services (South Africa) ⓘ |
| hasCategory |
Buildings and structures in the Western Cape
ⓘ
Nelson Mandela ⓘ Prisons in South Africa ⓘ |
| hasFacilityType | farm prison ⓘ |
| hasMemorial | Nelson Mandela statue at main entrance ⓘ |
| heritageAssociation | site of Mandela’s 1990 release ⓘ |
| historicalEra | apartheid era South Africa ⓘ |
| locatedIn |
Cape Winelands
ⓘ
linked to:
Franschhoek
Western Cape ⓘ |
| locatedNear | Paarl ⓘ |
| locatedOn | R301 road ⓘ |
| MandelaAccommodationType | separate house on prison grounds ⓘ |
| MandelaImprisonmentEndDate | 1990-02-11 ⓘ |
| MandelaImprisonmentStartApprox | 1988 ⓘ |
| MandelaReleaseEvent | Nelson Mandela walked out of Victor Verster Prison on 1990-02-11 ⓘ |
| nameChangedTo |
Drakenstein Correctional Centre
ⓘ
linked to:
Victor Verster Prison
|
| notableFor | final place of imprisonment of Nelson Mandela ⓘ |
| province |
Western Cape Province
ⓘ
linked to:
Western Cape
|
| region | Drakenstein Municipality ⓘ |
| securityClassification | low-security (for Mandela’s house detention) ⓘ |
| usedFor |
incarceration of common-law prisoners
ⓘ
incarceration of political prisoners during apartheid ⓘ |
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: Victor Verster Prison Description of subject: Victor Verster Prison is a South African correctional facility best known as the place where Nelson Mandela spent the final years of his imprisonment before his release in 1990.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Victor Verster Prison
linked to: Victor Verster Prison