Organisation for the Prohibition of Chemical Weapons

E2397

intergovernmental organization international organization treaty implementation body

The Organisation for the Prohibition of Chemical Weapons is an international body that oversees the implementation of the Chemical Weapons Convention, working to eliminate chemical weapons and prevent their use worldwide.

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All labels observed (4)

Label	Occurrences
Organisation for the Prohibition of Chemical Weapons canonical	35
Organization for the Prohibition of Chemical Weapons	2
Article VIII of the Chemical Weapons Convention	1
OPCW	1

How this entity was disambiguated

This entity first appeared as the object of triple T44056 — 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: Organisation for the Prohibition of Chemical Weapons
Context triple: [Netherlands, hosts, Organisation for the Prohibition of Chemical Weapons]

A. United Nations
The United Nations is an international organization founded in 1945 that brings together most of the world’s countries to promote peace, security, cooperation, and human rights.
B. International Committee of the Red Cross
The International Committee of the Red Cross is a neutral, independent humanitarian organization that protects and assists victims of armed conflict and promotes international humanitarian law worldwide.
C. NATO
NATO is a political and military alliance of North American and European countries formed for collective defense and security cooperation.
D. League of Nations
The League of Nations was an international organization founded after World War I to promote peace and cooperation among countries, serving as a precursor to the United Nations.
E. World Trade Organization
The World Trade Organization is an international body that regulates global trade rules between nations, aiming to ensure trade flows smoothly, predictably, and freely.
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: Organisation for the Prohibition of Chemical Weapons
Target entity description: The Organisation for the Prohibition of Chemical Weapons is an international body that oversees the implementation of the Chemical Weapons Convention, working to eliminate chemical weapons and prevent their use worldwide.

A. United Nations
The United Nations is an international organization founded in 1945 that brings together most of the world’s countries to promote peace, security, cooperation, and human rights.
B. International Committee of the Red Cross
The International Committee of the Red Cross is a neutral, independent humanitarian organization that protects and assists victims of armed conflict and promotes international humanitarian law worldwide.
C. NATO
NATO is a political and military alliance of North American and European countries formed for collective defense and security cooperation.
D. League of Nations
The League of Nations was an international organization founded after World War I to promote peace and cooperation among countries, serving as a precursor to the United Nations.
E. World Trade Organization
The World Trade Organization is an international body that regulates global trade rules between nations, aiming to ensure trade flows smoothly, predictably, and freely.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	intergovernmental organization ⓘ international organization ⓘ treaty implementation body ⓘ
abbreviation	Organisation for the Prohibition of Chemical Weapons self-linksurface differs ⓘ surface form: OPCW
awardReceived	Nobel Peace Prize ⓘ Nobel Peace Prize ⓘ surface form: Nobel Peace Prize 2013
conducts	on-site inspections of chemical facilities ⓘ
cooperatesWith	International Atomic Energy Agency ⓘ International Committee of the Red Cross ⓘ Organisation for the Prohibition of Biological Weapons (conceptually related regimes) ⓘ United Nations ⓘ World Health Organization ⓘ
country	Netherlands ⓘ
dateFounded	1997-04-29 ⓘ
encourages	international cooperation in the peaceful uses of chemistry ⓘ
fieldOfWork	arms control ⓘ chemical weapons disarmament ⓘ disarmament ⓘ international law ⓘ international security ⓘ non-proliferation of weapons of mass destruction ⓘ
foundedBy	Chemical Weapons Convention ⓘ
hasOrgan	Conference of the States Parties ⓘ Executive Council of the OPCW ⓘ Technical Secretariat of the OPCW ⓘ
headquartersLocation	Netherlands ⓘ South Holland ⓘ The Hague ⓘ
inception	1997 ⓘ
legalBasis	Chemical Weapons Convention ⓘ
locatedInTimeZone	Central European Summer Time ⓘ Central European Time ⓘ
memberOf	United Nations system ⓘ
numberOfMemberStates	190+ ⓘ
officialLanguage	Arabic ⓘ Chinese ⓘ English ⓘ French ⓘ Russian ⓘ Spanish ⓘ
provides	assistance and protection against chemical weapons ⓘ
purpose	elimination of chemical weapons ⓘ implementation of the Chemical Weapons Convention ⓘ international cooperation in peaceful uses of chemistry ⓘ prevention of use of chemical weapons ⓘ verification of destruction of chemical weapons ⓘ
reasonForAward	for its extensive efforts to eliminate chemical weapons ⓘ
scopeOfJurisdiction	global ⓘ
supervises	implementation of the Chemical Weapons Convention by States Parties ⓘ
website	https://www.opcw.org/ ⓘ

How these facts were elicited

Referenced by (39)

Full triples — surface form annotated when it differs from this entity's canonical label.

Netherlands → hosts → Organisation for the Prohibition of Chemical Weapons ⓘ

Organisation for the Prohibition of Chemical Weapons → abbreviation → Organisation for the Prohibition of Chemical Weapons self-linksurface differs ⓘ

this entity surface form: OPCW

The Hague → contains → Organisation for the Prohibition of Chemical Weapons ⓘ

South Holland → hostsInstitution → Organisation for the Prohibition of Chemical Weapons ⓘ

Executive Council of the OPCW → partOf → Organisation for the Prohibition of Chemical Weapons ⓘ

Executive Council of the OPCW → legalBasis → Organisation for the Prohibition of Chemical Weapons ⓘ

this entity surface form: Article VIII of the Chemical Weapons Convention

Conference of the States Parties → partOf → Organisation for the Prohibition of Chemical Weapons ⓘ

Conference of the States Parties → convenedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

Chemical Weapons Convention → establishes → Organisation for the Prohibition of Chemical Weapons ⓘ

Chemical Weapons Convention → hasVerificationBody → Organisation for the Prohibition of Chemical Weapons ⓘ

Organisation for the Prohibition of Biological Weapons (conceptually related regimes) → modeledAfter → Organisation for the Prohibition of Chemical Weapons ⓘ

Technical Secretariat of the OPCW → partOf → Organisation for the Prohibition of Chemical Weapons ⓘ

Technical Secretariat of the OPCW → parentOrganization → Organisation for the Prohibition of Chemical Weapons ⓘ

United Nations system → hasPart → Organisation for the Prohibition of Chemical Weapons ⓘ

Syrian Civil War → hasOrganizationInvolved → Organisation for the Prohibition of Chemical Weapons ⓘ

this entity surface form: Organization for the Prohibition of Chemical Weapons

U.S. Chemical Demilitarization Program → oversightBy → Organisation for the Prohibition of Chemical Weapons ⓘ

this entity surface form: Organization for the Prohibition of Chemical Weapons

CWC → verificationBody → Organisation for the Prohibition of Chemical Weapons ⓘ

Annex on Chemicals → governingBody → Organisation for the Prohibition of Chemical Weapons ⓘ

Verification Annex → isImplementedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

Annex on the Protection of Confidential Information → implementedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

OPCW Headquarters → ownedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

OPCW Headquarters → operator → Organisation for the Prohibition of Chemical Weapons ⓘ

OPCW Headquarters → occupant → Organisation for the Prohibition of Chemical Weapons ⓘ

OPCW Headquarters → category → Organisation for the Prohibition of Chemical Weapons ⓘ

CSP → associatedOrganization → Organisation for the Prohibition of Chemical Weapons ⓘ

subject surface form: Conference of the States Parties

CSP → acronymUsedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

subject surface form: Conference of the States Parties

CSP → governs → Organisation for the Prohibition of Chemical Weapons ⓘ

subject surface form: Conference of the States Parties

Article VIII of the Chemical Weapons Convention → governsBodyWithin → Organisation for the Prohibition of Chemical Weapons ⓘ

TS → partOf → Organisation for the Prohibition of Chemical Weapons ⓘ

TS → parentOrganization → Organisation for the Prohibition of Chemical Weapons ⓘ

Municipality of The Hague → hosts → Organisation for the Prohibition of Chemical Weapons ⓘ

PEO ACWA → worksWith → Organisation for the Prohibition of Chemical Weapons ⓘ

States Parties to the Chemical Weapons Convention → governedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

States Parties to the Chemical Weapons Convention → cooperateWith → Organisation for the Prohibition of Chemical Weapons ⓘ

Verification Annex of the Chemical Weapons Convention → usedBy → Organisation for the Prohibition of Chemical Weapons ⓘ

Host Country Agreement between OPCW and the Netherlands → party → Organisation for the Prohibition of Chemical Weapons ⓘ

Director-General of the OPCW Technical Secretariat → partOf → Organisation for the Prohibition of Chemical Weapons ⓘ

Director-General of the OPCW Technical Secretariat → employer → Organisation for the Prohibition of Chemical Weapons ⓘ

Director-General of the OPCW Technical Secretariat → organizationServed → Organisation for the Prohibition of Chemical Weapons ⓘ

All labels observed (4)

How this entity was disambiguated Show

Statements (50)

How these facts were elicited Show

Referenced by (39)

How this entity was disambiguated

How these facts were elicited