Sumida, Tokyo, Japan
E181386
Sumida is a special ward in eastern Tokyo, Japan, known for its traditional shitamachi neighborhoods and as the home of major landmarks like the Tokyo Skytree.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Sumida, Tokyo | 9 |
| Sumida, Tokyo, Japan canonical | 8 |
| Oshiage, Sumida-ku, Tokyo, Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1592284 — 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: Sumida, Tokyo, Japan Context triple: [Tokyo Skytree, location, Sumida, Tokyo, Japan]
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A.
Shinagawa, Tokyo, Japan
Shinagawa is a major commercial and transportation hub in southern Tokyo, known for its busy railway station, high-rise office buildings, and waterfront developments along Tokyo Bay.
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B.
Bunkyō, Tokyo, Japan
Bunkyō, Tokyo, Japan is a central Tokyo ward known for its educational and cultural institutions, historic temples, and residential neighborhoods, including the main campus of the University of Tokyo.
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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.
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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.
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E.
Nagatachō, Tokyo, Japan
Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
- 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: Sumida, Tokyo, Japan Target entity description: Sumida is a special ward in eastern Tokyo, Japan, known for its traditional shitamachi neighborhoods and as the home of major landmarks like the Tokyo Skytree.
-
A.
Shinagawa, Tokyo, Japan
Shinagawa is a major commercial and transportation hub in southern Tokyo, known for its busy railway station, high-rise office buildings, and waterfront developments along Tokyo Bay.
-
B.
Bunkyō, Tokyo, Japan
Bunkyō, Tokyo, Japan is a central Tokyo ward known for its educational and cultural institutions, historic temples, and residential neighborhoods, including the main campus of the University of Tokyo.
-
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.
Nagatachō, Tokyo, Japan
Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
- F. None of above. chosen
Statements (48)
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: Sumida, Tokyo, Japan Description of subject: Sumida is a special ward in eastern Tokyo, Japan, known for its traditional shitamachi neighborhoods and as the home of major landmarks like the Tokyo Skytree.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sumida, Tokyo, Japan
subject linked to:
Toei Asakusa Line at Oshiage
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan
linked to: Sumida, Tokyo, Japan