Sea of Japan
E1009
The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
All labels observed (17)
How this entity was disambiguated
This entity first appeared as the object of triple T8760 — 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: Sea of Japan Context triple: [Japan, borderedBySea, Sea of Japan]
-
A.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
-
B.
Japan
Japan is an East Asian island nation in the Pacific Ocean known for its advanced technology, rich cultural heritage, and major cities such as Tokyo, Osaka, and Kyoto.
-
C.
Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
-
D.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
-
E.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
- 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: Sea of Japan Target entity description: The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
-
A.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
-
B.
Japan
Japan is an East Asian island nation in the Pacific Ocean known for its advanced technology, rich cultural heritage, and major cities such as Tokyo, Osaka, and Kyoto.
-
C.
Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
-
D.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
-
E.
Lake Michigan
Lake Michigan is one of North America’s five Great Lakes, a large freshwater lake bordered by the U.S. states of Illinois, Indiana, Michigan, and Wisconsin.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
marginal sea ⓘ |
| alternativeName |
Sea of Japan
ⓘ
surface form:
East Sea
|
| alternativeNameUsedBy |
North Korea
ⓘ
South Korea ⓘ |
| area | about 978000 square kilometers ⓘ |
| averageDepth | about 1750 m ⓘ |
| basinCountry |
Japan
ⓘ
North Korea ⓘ Russia ⓘ South Korea ⓘ |
| borderedBy |
Japan
ⓘ
North Korea ⓘ Russia ⓘ South Korea ⓘ |
| connectedBy |
Korea Strait
ⓘ
La Pérouse Strait ⓘ Tsugaru Strait ⓘ |
| connectedTo |
East China Sea
ⓘ
Pacific Ocean ⓘ Sea of Okhotsk ⓘ |
| hasClimate | temperate ⓘ |
| hasCurrent |
Tsushima Current
ⓘ
surface form:
East Korea Warm Current
Liman Current ⓘ North Korea Cold Current ⓘ Tsushima Current ⓘ |
| hasEconomicActivity |
commercial fishing
ⓘ
maritime transport ⓘ |
| hasFeature |
deep basins
ⓘ
narrow continental shelves ⓘ strong seasonal currents ⓘ |
| hasPort |
Busan
ⓘ
Niigata ⓘ Russia Far East ⓘ
surface form:
Vladivostok
|
| hasResource |
crustaceans
ⓘ
fish stocks ⓘ marine mammals ⓘ |
| influences |
climate of Japan
ⓘ
climate of Korean Peninsula ⓘ climate of Russian Far East ⓘ |
| knownFor |
rich fisheries
ⓘ
strategic shipping routes ⓘ |
| locatedIn |
Philippine Sea
ⓘ
surface form:
Western Pacific Ocean
|
| locatedOn | Pacific Ring of Fire ⓘ |
| maximumDepth | about 3742 m ⓘ |
| nameUsedBy | Japan ⓘ |
| partOf | Pacific Ocean ⓘ |
| separates |
Japan
ⓘ
surface form:
Japanese archipelago
Korean Peninsula ⓘ Russia Far East ⓘ
surface form:
Russian Far East
|
| subjectOf |
naming dispute
ⓘ
territorial disputes ⓘ |
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: Sea of Japan Description of subject: The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
Referenced by (276)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Maizuru
subject surface form:
Yamaguchi Prefecture
subject surface form:
Sanin Main Line
this entity surface form:
Sea of Japan / East Sea
this entity surface form:
Sea of Japan (East Sea)
subject surface form:
Tanba Highlands
this entity surface form:
Sea of Japan watershed
this entity surface form:
Sea of Japan (East Sea)
this entity surface form:
Sea of Japan (via Imari Bay)
this entity surface form:
Japan Sea