小泉
E418395
小泉 is a common Japanese surname and place name, famously associated with former Prime Minister Junichiro Koizumi and his political family.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T4173505 — 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: 小泉 Context triple: [Koizumi, canBeWrittenAs, 小泉]
-
A.
森喜朗
森喜朗は、2000年から2001年まで内閣総理大臣を務めた日本の政治家です。
-
B.
麻生太郎
麻生太郎は、日本の自由民主党所属の政治家であり、第92代内閣総理大臣や副総理・財務大臣などを歴任した人物である。
-
C.
枝野幸男
枝野幸男 is a Japanese politician who served as Chief Cabinet Secretary and later became the founding leader of the Constitutional Democratic Party of Japan.
-
D.
菅 義偉
菅 義偉 is a Japanese politician who served as the Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe.
-
E.
吉田 茂
吉田 茂は、戦後日本の復興と独立回復を主導し、サンフランシスコ講和条約の締結などで知られる日本の政治家・第45・48–51代内閣総理大臣です。
- 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: 小泉 Target entity description: 小泉 is a common Japanese surname and place name, famously associated with former Prime Minister Junichiro Koizumi and his political family.
-
A.
森喜朗
森喜朗は、2000年から2001年まで内閣総理大臣を務めた日本の政治家です。
-
B.
麻生太郎
麻生太郎は、日本の自由民主党所属の政治家であり、第92代内閣総理大臣や副総理・財務大臣などを歴任した人物である。
-
C.
枝野幸男
枝野幸男 is a Japanese politician who served as Chief Cabinet Secretary and later became the founding leader of the Constitutional Democratic Party of Japan.
-
D.
菅 義偉
菅 義偉 is a Japanese politician who served as the Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe.
-
E.
吉田 茂
吉田 茂は、戦後日本の復興と独立回復を主導し、サンフランシスコ講和条約の締結などで知られる日本の政治家・第45・48–51代内閣総理大臣です。
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese family name
ⓘ
Japanese place name ⓘ Japanese surname ⓘ |
| associatedWith |
小泉又次郎
ⓘ
Junichiro Koizumi ⓘ
surface form:
小泉純一郎
小泉純也 ⓘ 小泉進次郎 ⓘ |
| category |
Japanese toponyms
ⓘ
Japanese-language surnames ⓘ |
| countryOfUse | Japan ⓘ |
| hasKanjiComponent |
小
ⓘ
泉 ⓘ |
| hasNotablePoliticalFamily | Koizumi family ⓘ |
| hasPlaceNameIn |
Aichi Prefecture
NERFINISHED
ⓘ
Fukuoka Prefecture NERFINISHED ⓘ Fukushima Prefecture NERFINISHED ⓘ Gifu Prefecture NERFINISHED ⓘ Gunma Prefecture NERFINISHED ⓘ Hokkaido ⓘ Hyogo Prefecture NERFINISHED ⓘ Iwate Prefecture NERFINISHED ⓘ Kanagawa Prefecture NERFINISHED ⓘ Miyagi Prefecture NERFINISHED ⓘ Okinawa Prefecture ⓘ Osaka Prefecture NERFINISHED ⓘ Saitama Prefecture NERFINISHED ⓘ Tochigi Prefecture NERFINISHED ⓘ |
| languageOfOrigin | Japanese ⓘ |
| meaning | small spring ⓘ |
| notableBearer |
小泉今日子
ⓘ
小泉八雲 ⓘ 小泉 self-linksurface differs ⓘ
surface form:
小泉又次郎
小泉 self-linksurface differs ⓘ
surface form:
小泉孝太郎
Junichiro Koizumi ⓘ
surface form:
小泉純一郎
小泉純也 ⓘ 小泉進次郎 ⓘ |
| notableInField |
entertainment
ⓘ
literature ⓘ politics ⓘ |
| regionOfPrevalence |
Kansai region
NERFINISHED
ⓘ
Kantō region ⓘ
surface form:
Kanto region
|
| romanization | Koizumi ⓘ |
| script | Kanji ⓘ |
| usedAs |
surname
ⓘ
toponym ⓘ |
| usedBy | Japanese people ⓘ |
| writingVariant |
こいずみ
ⓘ
Koizumi ⓘ
surface form:
コイズミ
|
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: 小泉 Description of subject: 小泉 is a common Japanese surname and place name, famously associated with former Prime Minister Junichiro Koizumi and his political family.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
小泉孝太郎
this entity surface form:
小泉又次郎