Tsugaru Strait
E18430
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tsugaru Strait canonical | 27 |
| 津軽海峡 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T51456 — 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: Tsugaru Strait Context triple: [Sea of Japan, connectedBy, Tsugaru Strait]
-
A.
Korea Strait
The Korea Strait is a narrow body of water between the Korean Peninsula and Japan that forms a key maritime passage linking the East China Sea with the Sea of Japan.
-
B.
Osaka Bay
Osaka Bay is a shallow, industrially important inlet of the Seto Inland Sea in Japan, bordered by major cities like Osaka and Kobe and serving as a key hub for shipping and coastal development.
-
C.
Sea of Japan
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.
-
D.
Sea of Okhotsk
The Sea of Okhotsk is a marginal sea of the western Pacific Ocean bordered by Russia and Japan, known for its rich fisheries, seasonal sea ice, and harsh subarctic climate.
-
E.
Bering Strait
The Bering Strait is a narrow sea passage between Russia and Alaska that links the Arctic and Pacific Oceans and historically separated Asia from North America.
- 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: Tsugaru Strait Target entity description: 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.
-
A.
Korea Strait
The Korea Strait is a narrow body of water between the Korean Peninsula and Japan that forms a key maritime passage linking the East China Sea with the Sea of Japan.
-
B.
Osaka Bay
Osaka Bay is a shallow, industrially important inlet of the Seto Inland Sea in Japan, bordered by major cities like Osaka and Kobe and serving as a key hub for shipping and coastal development.
-
C.
Sea of Japan
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.
-
D.
Sea of Okhotsk
The Sea of Okhotsk is a marginal sea of the western Pacific Ocean bordered by Russia and Japan, known for its rich fisheries, seasonal sea ice, and harsh subarctic climate.
-
E.
Bering Strait
The Bering Strait is a narrow sea passage between Russia and Alaska that links the Arctic and Pacific Oceans and historically separated Asia from North America.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
strait ⓘ |
| borderOf |
Aomori Prefecture
NERFINISHED
ⓘ
Hokkaido Prefecture NERFINISHED ⓘ |
| climateInfluence | affects local weather in Aomori and southern Hokkaido ⓘ |
| connects |
Pacific Ocean
ⓘ
Sea of Japan ⓘ |
| contains | Seikan Tunnel ⓘ |
| country | Japan ⓘ |
| hasColdCurrentInfluence | true ⓘ |
| hasFerryPort |
Aomori
NERFINISHED
ⓘ
Hakodate NERFINISHED ⓘ |
| hasFerryRoute |
Aomori–Hakodate ferry
ⓘ
linked to:
Seikan Ferry
|
| hasLegalStatus | partly international strait for transit passage ⓘ |
| hasLighthouse | multiple coastal lighthouses along shores ⓘ |
| hasMarineLife | rich fisheries ⓘ |
| hasStrongCurrent | true ⓘ |
| historicalRole |
important for trade and migration in northern Japan
ⓘ
traditional route between Honshu and Hokkaido ⓘ |
| isPartOfRoute | shipping route between East Asia and North Pacific ⓘ |
| JapaneseName |
津軽海峡
ⓘ
linked to:
Tsugaru Strait
|
| knownFor |
rough seas in winter
ⓘ
strong tidal currents ⓘ |
| locatedIn |
Hokkaido region
ⓘ
linked to:
Hokkaido
Northern Japan ⓘ Tohoku region ⓘ
linked to:
Tohoku
|
| maximumDepth | over 450 m ⓘ |
| minimumWidth | approximately 19.5 km ⓘ |
| namedAfter | Tsugaru region NERFINISHED ⓘ |
| navigationCondition |
often foggy
ⓘ
subject to strong winds ⓘ |
| nearCity |
Aomori
NERFINISHED
ⓘ
Hakodate NERFINISHED ⓘ |
| oceanRegion |
Northwest Pacific
ⓘ
linked to:
Northwest Pacific Ocean
|
| partOf |
Japanese archipelago waters
ⓘ
Japan’s coastal waters ⓘ |
| SeikanTunnelConnects |
Aomori Prefecture
NERFINISHED
ⓘ
Hokkaido ⓘ |
| SeikanTunnelType | undersea railway tunnel ⓘ |
| separates |
Hokkaido
ⓘ
Honshu ⓘ |
| strategicImportance | key maritime passage between Sea of Japan and Pacific Ocean ⓘ |
| usedFor |
domestic shipping
ⓘ
ferry transportation ⓘ fishing ⓘ international shipping ⓘ |
| 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: Tsugaru Strait Description of subject: 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.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tsugaru Strait
subject linked to:
Tsugaru Peninsula, Aomori Prefecture
subject linked to:
Tsugaru Peninsula, Aomori Prefecture