Kōtō, Tokyo, Japan
E346890
Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kōtō, Tokyo, Japan canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2425812 — 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: Kōtō, Tokyo, Japan Context triple: [Minato, Tokyo, Japan, borderedBy, Kōtō, Tokyo, Japan]
-
A.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
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B.
Minato, Tokyo, Japan
Minato is a central special ward of Tokyo known for its major business districts, foreign embassies, and landmarks such as Tokyo Tower and Roppongi.
-
C.
Chiyoda, Tokyo, Japan
Chiyoda is a central special ward of Tokyo that serves as Japan’s political and administrative heart, housing the Imperial Palace, the National Diet, and many government institutions.
-
D.
Setagaya, Tokyo, Japan
Setagaya is a large residential ward in western Tokyo known for its affluent neighborhoods, family-friendly atmosphere, and numerous parks and temples.
-
E.
Ōta, Tokyo
Ōta, Tokyo is a large ward in southern Tokyo known for its mix of residential and industrial areas and for hosting Haneda Airport, one of Japan’s major international gateways.
- 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: Kōtō, Tokyo, Japan Target entity description: Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
-
A.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
-
B.
Minato, Tokyo, Japan
Minato is a central special ward of Tokyo known for its major business districts, foreign embassies, and landmarks such as Tokyo Tower and Roppongi.
-
C.
Chiyoda, Tokyo, Japan
Chiyoda is a central special ward of Tokyo that serves as Japan’s political and administrative heart, housing the Imperial Palace, the National Diet, and many government institutions.
-
D.
Setagaya, Tokyo, Japan
Setagaya is a large residential ward in western Tokyo known for its affluent neighborhoods, family-friendly atmosphere, and numerous parks and temples.
-
E.
Ōta, Tokyo
Ōta, Tokyo is a large ward in southern Tokyo known for its mix of residential and industrial areas and for hosting Haneda Airport, one of Japan’s major international gateways.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
municipality
ⓘ
special ward of Japan ⓘ |
| borders |
Chūō, Tokyo, Japan
ⓘ
Edogawa, Tokyo ⓘ
surface form:
Edogawa, Tokyo, Japan
Minato, Tokyo, Japan ⓘ Sumida, Tokyo, Japan ⓘ Taitō, Tokyo, Japan ⓘ Tokyo Bay ⓘ |
| containsDistrict |
Ariake
ⓘ
Kameido ⓘ Kiba ⓘ Monzen-nakachō ⓘ Odaiba ⓘ
surface form:
Odaiba (part)
Shinonome ⓘ Tatsumi ⓘ Toyo ⓘ Toyosu NERFINISHED ⓘ |
| containsFacility |
Ariake Arena
ⓘ
Ariake Tennis Forest Park ⓘ
surface form:
Ariake Tennis Park
Yumenoshima Park ⓘ
surface form:
Sunamachi Water Reclamation Center
Tokyo Big Sight ⓘ Toyosu Market ⓘ |
| containsIsland |
Shinonome Island
NERFINISHED
ⓘ
Tatsumi Island NERFINISHED ⓘ Yumenoshima NERFINISHED ⓘ |
| containsPark |
Kiba Park
ⓘ
Tatsumi Seaside Park ⓘ Yumenoshima Park ⓘ |
| containsRiver |
Arakawa River
NERFINISHED
ⓘ
Onagi River NERFINISHED ⓘ Sendaibori River NERFINISHED ⓘ Sumida River NERFINISHED ⓘ |
| country | Japan ⓘ |
| hasCharacteristic |
large proportion of reclaimed land
ⓘ
mixed residential and industrial areas ⓘ significant waterfront development ⓘ |
| hasGovernmentType | Mayor–council ⓘ |
| hasJapaneseName | 江東区 ⓘ |
| hasLandUse |
commercial districts
ⓘ
large-scale facilities ⓘ residential neighborhoods ⓘ |
| hasOfficialName | Kōtō City NERFINISHED ⓘ |
| hasReclaimedLand | true ⓘ |
| hasSettlementType | special ward ⓘ |
| isWaterfrontArea | true ⓘ |
| locatedIn | eastern Tokyo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| partOf |
Tokyo Prefecture
ⓘ
surface form:
Tokyo Metropolis
|
| UTCOffset | +09:00 ⓘ |
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: Kōtō, Tokyo, Japan Description of subject: Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.