Treaty of Nice
E160343
The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T1349779 — 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: Treaty of Nice Context triple: [Treaty on European Union, amendedBy, Treaty of Nice]
-
A.
Treaty of Lisbon
The Treaty of Lisbon is a 2007 agreement that reformed the European Union’s institutional structure and decision-making processes, enhancing its efficiency, democratic legitimacy, and coherence in external action.
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B.
Treaty of Rome
The Treaty of Rome is a 1957 international agreement that established the European Economic Community, laying a foundational step toward today’s European Union and its single market.
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C.
Treaty of Amsterdam
The Treaty of Amsterdam is a 1997 agreement that amended the founding treaties of the European Union, enhancing the powers of EU institutions, expanding cooperation in justice and home affairs, and preparing the Union for future enlargement.
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D.
Treaty of Seville
The Treaty of Seville was a 1729 agreement between Britain, France, and Spain that helped resolve disputes from the War of the Quadruple Alliance and temporarily stabilized European power relations.
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E.
Treaty on European Union
The Treaty on European Union, commonly known as the Maastricht Treaty, is the foundational agreement that created the modern European Union and introduced the framework for a single currency, common foreign and security policy, and closer political integration among its member states.
- 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: Treaty of Nice Target entity description: The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
-
A.
Treaty of Lisbon
The Treaty of Lisbon is a 2007 agreement that reformed the European Union’s institutional structure and decision-making processes, enhancing its efficiency, democratic legitimacy, and coherence in external action.
-
B.
Treaty of Rome
The Treaty of Rome is a 1957 international agreement that established the European Economic Community, laying a foundational step toward today’s European Union and its single market.
-
C.
Treaty of Amsterdam
The Treaty of Amsterdam is a 1997 agreement that amended the founding treaties of the European Union, enhancing the powers of EU institutions, expanding cooperation in justice and home affairs, and preparing the Union for future enlargement.
-
D.
Treaty of Seville
The Treaty of Seville was a 1729 agreement between Britain, France, and Spain that helped resolve disputes from the War of the Quadruple Alliance and temporarily stabilized European power relations.
-
E.
Treaty on European Union
The Treaty on European Union, commonly known as the Maastricht Treaty, is the foundational agreement that created the modern European Union and introduced the framework for a single currency, common foreign and security policy, and closer political integration among its member states.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
European Union treaty
ⓘ
international agreement ⓘ |
| adoptedBy |
European Union member states
ⓘ
linked to:
Member States of the European Union
|
| aimedTo |
prepare the European Union for eastern enlargement
ⓘ
reform institutional structure of the European Union ⓘ |
| amends |
Treaty establishing the European Atomic Energy Community
ⓘ
linked to:
Euratom Treaty
Treaty establishing the European Coal and Steel Community ⓘ
linked to:
Treaty of Paris (1951)
Treaty establishing the European Community ⓘ
linked to:
Treaty of Rome
Treaty on European Union ⓘ |
| appliesTo |
European Union institutions
ⓘ
linked to:
European institutions
European Union member states ⓘ
linked to:
Member States of the European Union
|
| category |
2001 in the European Union
ⓘ
Treaties entered into force in 2003 ⓘ Treaties of the European Union ⓘ
linked to:
EU Treaties
|
| concludedOn | 2000-12-11 ⓘ |
| contains |
declarations
ⓘ
protocols ⓘ |
| enteredIntoForceOn | 2003-02-01 ⓘ |
| follows | Treaty of Amsterdam ⓘ |
| hasOfficialName |
Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts
ⓘ
linked to:
Treaty of Nice
|
| hasParty |
Belgium
ⓘ
France ⓘ Germany ⓘ Italy ⓘ Spain ⓘ |
| language | all official languages of the European Union ⓘ |
| legalBasisFor | certain institutional provisions of the European Union before the Treaty of Lisbon ⓘ |
| legalStatus | binding international treaty ⓘ |
| locationSigned |
Nice, Alpes-Maritimes, France
ⓘ
linked to:
Nice, France
|
| negotiatedBy | governments of EU member states ⓘ |
| OJReference | OJ C 80, 10.3.2001 ⓘ |
| partOf | primary law of the European Union ⓘ |
| precedes | Treaty of Lisbon ⓘ |
| preparedFor |
2004 enlargement of the European Union
ⓘ
accession of Central and Eastern European countries ⓘ |
| publishedIn |
Official Journal of the European Communities
ⓘ
linked to:
Official Journal of the European Union
|
| relatesTo |
European Union enlargement
ⓘ
institutional reform of the European Union ⓘ |
| shortName | Treaty of Nice ⓘ |
| signedIn | Nice ⓘ |
| signedInCountry | France ⓘ |
| signedOn | 2001-02-26 ⓘ |
| subject |
composition of the European Commission
ⓘ
enhanced cooperation mechanisms ⓘ extension of qualified majority voting ⓘ number of seats in the European Parliament ⓘ reform of the Court of First Instance ⓘ reform of the Court of Justice of the European Communities ⓘ reweighting of votes in the Council of the European Union ⓘ |
| tookPlaceAt |
Intergovernmental Conference of 2000
ⓘ
linked to:
Intergovernmental Conference
|
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: Treaty of Nice Description of subject: The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Treaty of Nice
linked to: Treaty of Nice
Treaty of Nice
→
hasOfficialName
→
Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts
ⓘ
linked to: Treaty of Nice
subject linked to:
Maastricht Treaty 1992