千代田区
E351107
千代田区 is a central special ward of Tokyo that serves as Japan’s political and administrative core, encompassing the Imperial Palace, the National Diet, and numerous government and corporate headquarters.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T3364913 — 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: 千代田区 Context triple: [Chiyoda, hasJapaneseName, 千代田区]
-
A.
墨田区
墨田区 is a special ward in Tokyo, Japan, known for landmarks such as the Tokyo Skytree and its traditional shitamachi downtown atmosphere.
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B.
文京区
文京区 is a central Tokyo ward known for its educational institutions, cultural facilities, and relatively quiet residential character.
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C.
世田谷区
世田谷区 is a special ward in western Tokyo known for its large residential areas, relatively high affluence, and numerous parks and cultural facilities.
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D.
Shirokanedai district
Shirokanedai district is an upscale residential and educational area in Minato, Tokyo, known for its quiet streets, embassies, universities, and proximity to parks and museums.
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E.
Meguro Ward
Meguro Ward is a residential and commercial district in southwest Tokyo known for its urban neighborhoods, cultural sites, and convenient rail access to central Tokyo.
- 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: 千代田区 Target entity description: 千代田区 is a central special ward of Tokyo that serves as Japan’s political and administrative core, encompassing the Imperial Palace, the National Diet, and numerous government and corporate headquarters.
-
A.
墨田区
墨田区 is a special ward in Tokyo, Japan, known for landmarks such as the Tokyo Skytree and its traditional shitamachi downtown atmosphere.
-
B.
文京区
文京区 is a central Tokyo ward known for its educational institutions, cultural facilities, and relatively quiet residential character.
-
C.
世田谷区
世田谷区 is a special ward in western Tokyo known for its large residential areas, relatively high affluence, and numerous parks and cultural facilities.
-
D.
Shirokanedai district
Shirokanedai district is an upscale residential and educational area in Minato, Tokyo, known for its quiet streets, embassies, universities, and proximity to parks and museums.
-
E.
Meguro Ward
Meguro Ward is a residential and commercial district in southwest Tokyo known for its urban neighborhoods, cultural sites, and convenient rail access to central Tokyo.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
特別区
ⓘ
行政区画 ⓘ |
| administrativeCenter |
Chiyoda City government
ⓘ
surface form:
千代田区役所
|
| borderWith |
中央区
ⓘ
台東区 ⓘ 文京区 ⓘ 新宿区 ⓘ 港区 ⓘ |
| capitalOf | 日本の事実上の首都機能 ⓘ |
| contains |
丸の内
ⓘ
九段下 ⓘ 国会議事堂 ⓘ 大手町 ⓘ 御茶ノ水 ⓘ Hibiya Park ⓘ
surface form:
日比谷公園
最高裁判所 ⓘ 有楽町 ⓘ Tokyo Station ⓘ
surface form:
東京駅
永田町 ⓘ 番町地区 ⓘ 皇居 ⓘ 神保町 ⓘ 神田 ⓘ Akihabara ⓘ
surface form:
秋葉原
霞が関 ⓘ 首相官邸 ⓘ 麹町地区 ⓘ |
| country |
Japan
ⓘ
surface form:
日本
|
| governmentType | 特別区制 ⓘ |
| hasDistrict |
神田地域
ⓘ
麹町地域 ⓘ |
| hasFunction |
日本のビジネス中心地の一つ
ⓘ
日本の政治中枢 ⓘ 日本の行政中枢 ⓘ |
| hasLandmark |
パレスサイドビル
ⓘ
Marunouchi Building ⓘ
surface form:
丸の内ビルディング
Nijūbashi Bridge ⓘ
surface form:
二重橋
Marunouchi Building ⓘ
surface form:
新丸の内ビルディング
日本武道館 ⓘ 東京国際フォーラム ⓘ 東京大神宮 ⓘ 皇居外苑 ⓘ Yasukuni Shrine ⓘ
surface form:
靖国神社
|
| hasMayor | 区長 ⓘ |
| languageUsed | 日本語 ⓘ |
| locatedIn |
Tokyo 23 wards
ⓘ
surface form:
東京23区
関東地方 ⓘ |
| partOf |
Tokyo Prefecture
ⓘ
surface form:
東京都
|
| timeZone | 日本標準時 ⓘ |
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: 千代田区 Description of subject: 千代田区 is a central special ward of Tokyo that serves as Japan’s political and administrative core, encompassing the Imperial Palace, the National Diet, and numerous government and corporate headquarters.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.