Constitutional Democratic Party of Japan
E9904
The Constitutional Democratic Party of Japan is a major center-left political party that serves as the principal opposition force to Japan’s long-dominant conservative ruling parties.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T51717 — 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: Constitutional Democratic Party of Japan Context triple: [Liberal Democratic Party, mainOppositionRival, Constitutional Democratic Party of Japan]
-
A.
Liberal Democratic Party
The Liberal Democratic Party is Japan’s long-ruling conservative political party that has governed the country for most of the period since its founding in 1955.
-
B.
Liberal Party (Japan)
The Liberal Party (Japan) was a conservative political party that played a key role in postwar Japanese politics and later merged into what became the dominant Liberal Democratic Party.
-
C.
Kochikai faction of the Liberal Democratic Party
The Kochikai faction of the Liberal Democratic Party is a traditionally moderate, policy-focused group within Japan’s ruling party, historically associated with dovish diplomacy and technocratic economic management.
-
D.
National Diet
The National Diet is Japan’s bicameral national legislature, consisting of the House of Representatives and the House of Councillors, responsible for making laws and overseeing the government.
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E.
Servant of the People party
Servant of the People party is a Ukrainian political party associated with President Volodymyr Zelenskyy that rose to prominence on an anti-corruption and reformist platform.
- 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: Constitutional Democratic Party of Japan Target entity description: The Constitutional Democratic Party of Japan is a major center-left political party that serves as the principal opposition force to Japan’s long-dominant conservative ruling parties.
-
A.
Liberal Democratic Party
The Liberal Democratic Party is Japan’s long-ruling conservative political party that has governed the country for most of the period since its founding in 1955.
-
B.
Liberal Party (Japan)
The Liberal Party (Japan) was a conservative political party that played a key role in postwar Japanese politics and later merged into what became the dominant Liberal Democratic Party.
-
C.
Kochikai faction of the Liberal Democratic Party
The Kochikai faction of the Liberal Democratic Party is a traditionally moderate, policy-focused group within Japan’s ruling party, historically associated with dovish diplomacy and technocratic economic management.
-
D.
National Diet
The National Diet is Japan’s bicameral national legislature, consisting of the House of Representatives and the House of Councillors, responsible for making laws and overseeing the government.
-
E.
Servant of the People party
Servant of the People party is a Ukrainian political party associated with President Volodymyr Zelenskyy that rose to prominence on an anti-corruption and reformist platform.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
centre-left political party
ⓘ
opposition party ⓘ political party ⓘ |
| color | blue ⓘ |
| country | Japan ⓘ |
| founded | 2017-10-02 ⓘ |
| founder | Yukio Edano ⓘ |
| hasLeader | Kenta Izumi ⓘ |
| hasSecretaryGeneral | Hirofumi Hirano ⓘ |
| headquarters |
Nagatachō, Tokyo, Japan
ⓘ
surface form:
Nagatachō, Chiyoda, Tokyo
Tokyo ⓘ |
| ideology |
constitutionalism
ⓘ
liberal democracy ⓘ social liberalism ⓘ |
| internationalAffiliation | Progressive Alliance ⓘ |
| leaderTitle | President ⓘ |
| legislativeBody |
House of Councillors
ⓘ
surface form:
House of Councillors of Japan
House of Representatives of Japan ⓘ |
| mergedWith | National Democratic Party (Japan) ⓘ |
| mergerDate | 2020-09 ⓘ |
| nativeName |
Constitutional Democratic Party of Japan
self-linksurface differs
ⓘ
surface form:
立憲民主党
|
| opposes |
Komeito
ⓘ
Liberal Democratic Party ⓘ
surface form:
Liberal Democratic Party (Japan)
revision of Article 9 of the Constitution of Japan ⓘ |
| parliamentaryGroup |
Constitutional Democratic Party of Japan
self-linksurface differs
ⓘ
surface form:
Constitutional Democratic Party of Japan and Social Democratic Party (House of Councillors)
|
| politicalPosition | centre-left ⓘ |
| predecessor |
Democratic Party (Japan)
ⓘ
Democratic Party (Japan) ⓘ
surface form:
Democratic Party of Japan
|
| role | principal opposition party in Japan ⓘ |
| shortName |
CDP
ⓘ
Rikken Minshutō ⓘ |
| supports |
civil liberties
ⓘ
pacifism ⓘ protection of Japan’s postwar constitution ⓘ social welfare policies ⓘ |
| womenWing | CDP Women’s Committee ⓘ |
| youthWing | CDP Youth ⓘ |
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: Constitutional Democratic Party of Japan Description of subject: The Constitutional Democratic Party of Japan is a major center-left political party that serves as the principal opposition force to Japan’s long-dominant conservative ruling parties.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
Constitutional Democratic Party of Japan
→
nativeName
→
Constitutional Democratic Party of Japan
self-linksurface differs
ⓘ
this entity surface form:
立憲民主党
Constitutional Democratic Party of Japan
→
parliamentaryGroup
→
Constitutional Democratic Party of Japan
self-linksurface differs
ⓘ
this entity surface form:
Constitutional Democratic Party of Japan and Social Democratic Party (House of Councillors)
this entity surface form:
Japanese Constitutional Democratic Party
this entity surface form:
立憲民主党
Rikken Kaishintō (Constitutional Reform Party)
→
nativeName
→
Constitutional Democratic Party of Japan
ⓘ
subject surface form:
Rikken Kaishintō
this entity surface form:
立憲改進党