United Nations Mission in Sierra Leone
E104133
The United Nations Mission in Sierra Leone was a major UN peacekeeping operation tasked with helping end the country’s civil war, disarm combatants, and support the restoration of stable governance.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T877993 — 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: United Nations Mission in Sierra Leone Context triple: [Blue Helmets, hasNotableMission, United Nations Mission in Sierra Leone]
-
A.
United Nations Mission in Liberia
The United Nations Mission in Liberia (UNMIL) was a UN peacekeeping operation established in 2003 to help stabilize Liberia after its civil war, support the implementation of peace agreements, and assist in rebuilding national institutions.
-
B.
United Nations Operation in Côte d’Ivoire
The United Nations Operation in Côte d’Ivoire (UNOCI) was a UN peacekeeping mission established to help stabilize the country, support the implementation of peace agreements, and assist in organizing elections following the Ivorian civil conflict.
-
C.
United Nations Mission in South Sudan
The United Nations Mission in South Sudan (UNMISS) is a UN peacekeeping operation tasked with protecting civilians, supporting the implementation of peace agreements, and helping to build state institutions in the world’s newest country.
-
D.
United Nations Multidimensional Integrated Stabilization Mission in Mali
The United Nations Multidimensional Integrated Stabilization Mission in Mali (MINUSMA) is a UN peacekeeping operation established to support political processes and stabilize Mali amid ongoing conflict and insecurity.
-
E.
United Nations Organization Stabilization Mission in the Democratic Republic of the Congo
The United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO) is a long-running UN peacekeeping operation tasked with protecting civilians, supporting stabilization, and assisting the government in addressing armed conflict and insecurity in the DRC.
- 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: United Nations Mission in Sierra Leone Target entity description: The United Nations Mission in Sierra Leone was a major UN peacekeeping operation tasked with helping end the country’s civil war, disarm combatants, and support the restoration of stable governance.
-
A.
United Nations Mission in Liberia
The United Nations Mission in Liberia (UNMIL) was a UN peacekeeping operation established in 2003 to help stabilize Liberia after its civil war, support the implementation of peace agreements, and assist in rebuilding national institutions.
-
B.
United Nations Operation in Côte d’Ivoire
The United Nations Operation in Côte d’Ivoire (UNOCI) was a UN peacekeeping mission established to help stabilize the country, support the implementation of peace agreements, and assist in organizing elections following the Ivorian civil conflict.
-
C.
United Nations Mission in South Sudan
The United Nations Mission in South Sudan (UNMISS) is a UN peacekeeping operation tasked with protecting civilians, supporting the implementation of peace agreements, and helping to build state institutions in the world’s newest country.
-
D.
United Nations Multidimensional Integrated Stabilization Mission in Mali
The United Nations Multidimensional Integrated Stabilization Mission in Mali (MINUSMA) is a UN peacekeeping operation established to support political processes and stabilize Mali amid ongoing conflict and insecurity.
-
E.
United Nations Organization Stabilization Mission in the Democratic Republic of the Congo
The United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO) is a long-running UN peacekeeping operation tasked with protecting civilians, supporting stabilization, and assisting the government in addressing armed conflict and insecurity in the DRC.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United Nations peacekeeping mission
ⓘ
peacekeeping operation ⓘ |
| abbreviation |
UNAMSIL
ⓘ
linked to:
United Nations Mission in Sierra Leone
|
| administeringOrganization | United Nations ⓘ |
| authorizedByResolution | United Nations Security Council Resolution 1270 ⓘ |
| conflictAddressed | Sierra Leone Civil War ⓘ |
| contributingCountries |
Bangladesh
ⓘ
Ghana ⓘ India ⓘ Jordan ⓘ Kenya ⓘ Nigeria ⓘ Pakistan ⓘ United Kingdom ⓘ |
| country | Sierra Leone ⓘ |
| endDate | 2005-12-31 ⓘ |
| establishedBy | United Nations Security Council ⓘ |
| fieldOfWork |
disarmament, demobilization and reintegration
ⓘ
peacekeeping ⓘ post-conflict reconstruction ⓘ |
| headquartersLocation | Freetown ⓘ |
| includesComponent |
civilian component
ⓘ
civilian police component ⓘ military component ⓘ |
| legalBasis |
United Nations Charter Chapter VII
ⓘ
linked to:
Chapter VII of the United Nations Charter
|
| mandateIncludes |
assist in implementation of the Lomé Peace Agreement
ⓘ
disarmament, demobilization and reintegration of combatants ⓘ monitoring ceasefire ⓘ protection of civilians under imminent threat of physical violence ⓘ support to delivery of humanitarian assistance ⓘ support to organization of elections ⓘ support to restoration of state authority ⓘ |
| missionType | Chapter VII mission ⓘ |
| notableFor | one of the largest UN peacekeeping operations in Africa at the time ⓘ |
| parentOrganization |
United Nations Department of Peacekeeping Operations
ⓘ
linked to:
Department of Peace Operations
|
| peaceAgreementSupported | Lomé Peace Agreement ⓘ |
| peacekeepingType | multidimensional peacekeeping operation ⓘ |
| peakTroopStrength | about 17000 military personnel ⓘ |
| primaryObjective |
disarm and demobilize combatants
ⓘ
help end the civil war in Sierra Leone ⓘ support restoration of stable governance in Sierra Leone ⓘ |
| regionServed | West Africa ⓘ |
| securityCouncilResolutionDate | 1999-10-22 ⓘ |
| securityCouncilResolutionNumber | 1270 ⓘ |
| shortName |
UNAMSIL
ⓘ
linked to:
United Nations Mission in Sierra Leone
|
| startDate | 1999-10 ⓘ |
| status | completed mission ⓘ |
| successorMission |
United Nations Integrated Office in Sierra Leone
ⓘ
linked to:
United Nations Mission in Sierra Leone
|
| theaterOfOperations | Sierra Leone ⓘ |
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: United Nations Mission in Sierra Leone Description of subject: The United Nations Mission in Sierra Leone was a major UN peacekeeping operation tasked with helping end the country’s civil war, disarm combatants, and support the restoration of stable governance.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: United Nations Mission in Sierra Leone
United Nations Mission in Sierra Leone
→
successorMission
→
United Nations Integrated Office in Sierra Leone
ⓘ
linked to: United Nations Mission in Sierra Leone
linked to: United Nations Mission in Sierra Leone
linked to: United Nations Mission in Sierra Leone
United Nations Security Council Resolution 1270
→
subject
→
United Nations Mission in Sierra Leone
ⓘ
United Nations Security Council Resolution 1270
→
establishes
→
United Nations Mission in Sierra Leone
ⓘ
linked to: United Nations Mission in Sierra Leone
United Nations Security Council Resolution 1270
→
strengthens
→
United Nations Observer Mission in Sierra Leone
ⓘ
linked to: United Nations Mission in Sierra Leone
United Nations Security Council Resolution 1270
→
replaces
→
United Nations Observer Mission in Sierra Leone
ⓘ
linked to: United Nations Mission in Sierra Leone
subject linked to:
Operation Palliser in Sierra Leone is not in Europe
linked to: United Nations Mission in Sierra Leone
linked to: United Nations Mission in Sierra Leone
subject linked to:
RUF rebels