Ōta-ku
E661301
Ōta-ku is a special ward in southern Tokyo, Japan, known for housing Haneda Airport and a mix of residential, industrial, and waterfront areas.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T6820133 — 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: Ōta-ku Context triple: [Ōta, Tokyo, romanization, Ōta-ku]
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A.
Nakahara-ku
Nakahara-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known as a residential and commercial area within the Greater Tokyo metropolitan region.
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B.
Taihaku-ku
Taihaku-ku is a ward in the city of Sendai, Japan, known for its mix of residential areas, natural scenery, and hot spring resorts.
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C.
Konohana-ku
Konohana-ku is one of the 24 wards of Osaka, Japan, known for hosting major attractions such as Universal Studios Japan and its surrounding entertainment and waterfront areas.
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D.
Naniwa-ku
Naniwa-ku is a central ward of Osaka, Japan, known for its bustling entertainment districts, shopping streets, and iconic landmarks such as Tsutenkaku Tower.
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E.
Tama-ku
Tama-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known for its residential areas and proximity to 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: Ōta-ku Target entity description: Ōta-ku is a special ward in southern Tokyo, Japan, known for housing Haneda Airport and a mix of residential, industrial, and waterfront areas.
-
A.
Nakahara-ku
Nakahara-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known as a residential and commercial area within the Greater Tokyo metropolitan region.
-
B.
Taihaku-ku
Taihaku-ku is a ward in the city of Sendai, Japan, known for its mix of residential areas, natural scenery, and hot spring resorts.
-
C.
Konohana-ku
Konohana-ku is one of the 24 wards of Osaka, Japan, known for hosting major attractions such as Universal Studios Japan and its surrounding entertainment and waterfront areas.
-
D.
Naniwa-ku
Naniwa-ku is a central ward of Osaka, Japan, known for its bustling entertainment districts, shopping streets, and iconic landmarks such as Tsutenkaku Tower.
-
E.
Tama-ku
Tama-ku is one of the administrative wards of Kawasaki City in Kanagawa Prefecture, Japan, known for its residential areas and proximity to Tokyo.
- F. None of above. chosen
Statements (52)
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: Ōta-ku Description of subject: Ōta-ku is a special ward in southern Tokyo, Japan, known for housing Haneda Airport and a mix of residential, industrial, and waterfront areas.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.