Colnbrook Immigration Removal Centre
E799233
Colnbrook Immigration Removal Centre is a high-security UK facility near Heathrow Airport used to detain people subject to immigration control and deportation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Colnbrook Immigration Removal Centre canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9445581 — 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: Colnbrook Immigration Removal Centre Context triple: [Colnbrook, hasFacility, Colnbrook Immigration Removal Centre]
-
A.
HM Prison Belmarsh
HM Prison Belmarsh is a high-security men's prison in southeast London known for holding high-profile and terrorism-related inmates.
-
B.
Wakefield Prison
Wakefield Prison is a high-security men’s prison in West Yorkshire, England, known for holding some of the country’s most dangerous and high-profile inmates.
-
C.
Styal Prison
Styal Prison is a women's prison and young offender institution located in Cheshire, England, primarily housing female inmates from across the region.
-
D.
Holloway Prison
Holloway Prison was a major women's prison in London, England, historically known for housing some of the country’s most notorious female offenders.
-
E.
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.
- 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: Colnbrook Immigration Removal Centre Target entity description: Colnbrook Immigration Removal Centre is a high-security UK facility near Heathrow Airport used to detain people subject to immigration control and deportation.
-
A.
HM Prison Belmarsh
HM Prison Belmarsh is a high-security men's prison in southeast London known for holding high-profile and terrorism-related inmates.
-
B.
Wakefield Prison
Wakefield Prison is a high-security men’s prison in West Yorkshire, England, known for holding some of the country’s most dangerous and high-profile inmates.
-
C.
Styal Prison
Styal Prison is a women's prison and young offender institution located in Cheshire, England, primarily housing female inmates from across the region.
-
D.
Holloway Prison
Holloway Prison was a major women's prison in London, England, historically known for housing some of the country’s most notorious female offenders.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
detention facility
ⓘ
immigration removal centre ⓘ |
| adjacentTo | Harmondsworth Immigration Removal Centre ⓘ |
| buildingUse | secure detention ⓘ |
| categoryComparedToPrisons | similar to Category B prison ⓘ |
| country | United Kingdom ⓘ |
| detaineeGender | primarily male detainees ⓘ |
| detains |
asylum seekers
ⓘ
foreign nationals pending removal ⓘ immigration detainees ⓘ |
| governedBy | UK immigration detention rules ⓘ |
| hasCapacity | approximately 400 detainees ⓘ |
| hasDetentionRegime | administrative (non-criminal) detention ⓘ |
| hasFacilityType |
exercise yard
ⓘ
healthcare unit ⓘ segregation unit ⓘ single cells ⓘ visits area ⓘ |
| hasPostcode | SL3 area ⓘ |
| hasSecurityFeature |
CCTV surveillance
ⓘ
controlled entry points ⓘ perimeter fencing ⓘ |
| hasVisitingRestrictions | security screening for visitors ⓘ |
| inception | 2004 ⓘ |
| locatedIn | Colnbrook ⓘ |
| locatedInAdministrativeTerritory |
Berkshire
ⓘ
Borough of Slough ⓘ England ⓘ |
| locatedNear | Heathrow Airport ⓘ |
| nearbyCity |
London
ⓘ
linked to:
London, England
|
| nearMotorway |
M25
ⓘ
M4 ⓘ |
| nearTransportHub | Heathrow Airport ⓘ |
| operatedBy |
His Majesty's Prison Service
ⓘ
linked to:
HM Prison and Probation Service
UK Home Office ⓘ |
| ownedBy | UK Home Office ⓘ |
| partOf | UK immigration detention estate ⓘ |
| purpose |
detention of people facing deportation
ⓘ
detention of people subject to immigration control ⓘ |
| regulatedBy | UK Home Office Immigration Enforcement ⓘ |
| runUnderAuthorityOf | UK Immigration Act ⓘ |
| securityClassification | high security ⓘ |
| subjectOf |
campaigns by human rights organisations
ⓘ
legal challenges concerning conditions of detention ⓘ media coverage on UK immigration detention ⓘ reports by HM Inspectorate of Prisons ⓘ reports by Independent Monitoring Board ⓘ |
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: Colnbrook Immigration Removal Centre Description of subject: Colnbrook Immigration Removal Centre is a high-security UK facility near Heathrow Airport used to detain people subject to immigration control and deportation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.