Nemuro Strait
E184697
Nemuro Strait is a narrow body of water separating Japan’s Hokkaido from the southern Kuril Islands, known for its rich marine life and geopolitical significance.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Nemuro Strait canonical | 3 |
| Kunashir Strait | 1 |
| Nemuro Channel (regional term) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1234054 — 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: Nemuro Strait Context triple: [Kuril Islands, hasStrait, Nemuro Strait]
-
A.
Tsugaru Strait
The Tsugaru Strait is a narrow body of water separating Japan’s Honshu and Hokkaido islands, serving as a key maritime passage between the Sea of Japan and the Pacific Ocean.
-
B.
Sōya Strait
Sōya Strait is the narrow sea passage between Japan’s Hokkaido and Russia’s Sakhalin Island, serving as a key shipping route connecting the Sea of Japan with the Sea of Okhotsk.
-
C.
Kanmon Straits
Kanmon Straits is a narrow sea passage in southwestern Japan that separates the islands of Honshu and Kyushu and serves as an important shipping and transportation route.
-
D.
Kuril straits
The Kuril Straits are a series of narrow sea passages between the Kuril Islands that form an important maritime route between the Sea of Okhotsk and the North Pacific Ocean.
-
E.
Tokara Strait
Tokara Strait is a body of water in southern Japan that separates the Tokara Islands from the Amami Islands, forming part of the boundary between the East China Sea and the Pacific Ocean.
- 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: Nemuro Strait Target entity description: Nemuro Strait is a narrow body of water separating Japan’s Hokkaido from the southern Kuril Islands, known for its rich marine life and geopolitical significance.
-
A.
Tsugaru Strait
The Tsugaru Strait is a narrow body of water separating Japan’s Honshu and Hokkaido islands, serving as a key maritime passage between the Sea of Japan and the Pacific Ocean.
-
B.
Sōya Strait
Sōya Strait is the narrow sea passage between Japan’s Hokkaido and Russia’s Sakhalin Island, serving as a key shipping route connecting the Sea of Japan with the Sea of Okhotsk.
-
C.
Kanmon Straits
Kanmon Straits is a narrow sea passage in southwestern Japan that separates the islands of Honshu and Kyushu and serves as an important shipping and transportation route.
-
D.
Kuril straits
The Kuril Straits are a series of narrow sea passages between the Kuril Islands that form an important maritime route between the Sea of Okhotsk and the North Pacific Ocean.
-
E.
Tokara Strait
Tokara Strait is a body of water in southern Japan that separates the Tokara Islands from the Amami Islands, forming part of the boundary between the East China Sea and the Pacific Ocean.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
strait ⓘ |
| adjacentTo |
Habomai Islands
ⓘ
Hokkaido Prefecture ⓘ
linked to:
Hokkaido
Kunashir Island ⓘ
linked to:
Kunashir
Shikotan Island ⓘ
linked to:
Shikotan
|
| borderBetween |
Japan
ⓘ
Russia ⓘ |
| connects |
Pacific Ocean
ⓘ
Sea of Okhotsk ⓘ |
| country | Japan ⓘ |
| ecoregion | temperate North Pacific marine ecoregion ⓘ |
| hasClimate | cold maritime climate ⓘ |
| hasEconomicImportance |
local shipping routes
ⓘ
regional fisheries ⓘ |
| hasFeature |
foggy conditions
ⓘ
productive fishing grounds ⓘ strong currents ⓘ |
| hasGeopoliticalSignificance |
Japan–Russia territorial dispute
ⓘ
linked to:
Soviet occupation of Kuril Islands
|
| hasNavigationConditions | seasonal sea ice presence ⓘ |
| hasSecurityRelevance |
border control
ⓘ
military monitoring ⓘ |
| knownFor |
abundant fisheries
ⓘ
cold-water marine ecosystem ⓘ rich marine life ⓘ |
| languageOfToponym |
Japanese
ⓘ
Russian ⓘ |
| locatedIn |
Far East Asia
ⓘ
linked to:
East Asia
Northwestern Pacific Ocean ⓘ Sea of Okhotsk region ⓘ
linked to:
Sea of Okhotsk
|
| near |
Nemuro Channel (regional term)
ⓘ
linked to:
Nemuro Strait
Nemuro City ⓘ Nemuro Peninsula ⓘ Nemuro Subprefecture ⓘ |
| partOf |
Japan–Russia maritime boundary area
ⓘ
linked to:
Kuril straits
Kuril Islands region ⓘ
linked to:
Kuril Islands
disputed Northern Territories area ⓘ |
| separates |
Hokkaido
ⓘ
southern Kuril Islands ⓘ
linked to:
Southern Kurils
|
| subjectOf |
Japan–Russia border negotiations
ⓘ
Japan–Russia fisheries agreements ⓘ |
| usedFor |
fishing
ⓘ
marine transportation ⓘ |
| waterType | saltwater ⓘ |
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: Nemuro Strait Description of subject: Nemuro Strait is a narrow body of water separating Japan’s Hokkaido from the southern Kuril Islands, known for its rich marine life and geopolitical significance.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nemuro Strait
linked to: Nemuro Strait