Ota, Japan
E156876
Ōta is a special ward in Tokyo, Japan, known for Haneda Airport, its coastal location on Tokyo Bay, and a mix of residential, industrial, and commercial districts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ota, Japan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1153429 — 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: Ota, Japan Context triple: [Salem, Massachusetts, hasSisterCity, Ota, Japan]
-
A.
Fujinomiya, Japan
Fujinomiya, Japan is a city in Shizuoka Prefecture known as a gateway to Mount Fuji and for its scenic views, shrines, and local cuisine.
-
B.
Oppama, Japan
Oppama, Japan is an industrial coastal district in Yokosuka, Kanagawa Prefecture, best known for its major Nissan automobile manufacturing plant.
-
C.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
D.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
-
E.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
- 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: Ota, Japan Target entity description: Ōta is a special ward in Tokyo, Japan, known for Haneda Airport, its coastal location on Tokyo Bay, and a mix of residential, industrial, and commercial districts.
-
A.
Fujinomiya, Japan
Fujinomiya, Japan is a city in Shizuoka Prefecture known as a gateway to Mount Fuji and for its scenic views, shrines, and local cuisine.
-
B.
Oppama, Japan
Oppama, Japan is an industrial coastal district in Yokosuka, Kanagawa Prefecture, best known for its major Nissan automobile manufacturing plant.
-
C.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
D.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
-
E.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
municipality of Tokyo
ⓘ
special ward of Japan ⓘ |
| areaCode | 03 ⓘ |
| borderedBy |
Kawasaki, Kanagawa
ⓘ
Meguro, Tokyo, Japan ⓘ
surface form:
Meguro, Tokyo
Setagaya, Tokyo, Japan ⓘ
surface form:
Setagaya, Tokyo
Shinagawa, Tokyo, Japan ⓘ
surface form:
Shinagawa, Tokyo
Tokyo Bay ⓘ |
| contains |
Den-en-chōfu
ⓘ
Haneda Airport ⓘ Haneda area ⓘ Heiwajima ⓘ Ikegami Honmon-ji ⓘ Kamata Station NERFINISHED ⓘ Keihin industrial zone sections ⓘ Ōta, Tokyo ⓘ
surface form:
Magome, Ōta, Tokyo
Omori area ⓘ |
| country | Japan ⓘ |
| governmentType | special ward government ⓘ |
| hasJapaneseName | 大田区 ⓘ |
| hasLandUse |
commercial district
ⓘ
industrial district ⓘ residential district ⓘ |
| hasTransportation |
Keihin-Tōhoku Line
ⓘ
surface form:
JR Keihin-Tōhoku Line
Keikyū Airport Line ⓘ Keikyū Main Line ⓘ Toei Asakusa Line ⓘ
surface form:
Toei Asakusa Line (through service)
Tokyo Monorail ⓘ Tokyu Den-en-toshi Line ⓘ
surface form:
Tōkyū Den-en-toshi Line (partly)
Tōkyū Ikegami Line ⓘ Tōkyū Tamagawa Line ⓘ |
| knownFor |
Den-en-chōfu garden suburb
ⓘ
Haneda Airport ⓘ coastal location on Tokyo Bay ⓘ mix of residential, industrial, and commercial areas ⓘ |
| leaderTitle | Mayor of Ōta ⓘ |
| locatedIn |
Honshu
ⓘ
surface form:
Honshū
Kantō region ⓘ |
| locatedOn | Tokyo Bay ⓘ |
| locatedSouthOf | central Tokyo ⓘ |
| partOf |
Tokyo Prefecture
ⓘ
surface form:
Tokyo Metropolis
|
| postalCodePrefix |
143
ⓘ
144 ⓘ |
| romanization | Ōta-ku ⓘ |
| seatOfGovernment |
Ōta, Tokyo
ⓘ
surface form:
Kamata, Ōta, Tokyo
|
| timeZone | Japan Standard Time ⓘ |
| utcOffset | +9 ⓘ |
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: Ota, Japan Description of subject: Ōta is a special ward in Tokyo, Japan, known for Haneda Airport, its coastal location on Tokyo Bay, and a mix of residential, industrial, and commercial districts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.