Seto Inland Sea
E78567
The Seto Inland Sea is a sheltered body of water in western Japan, dotted with numerous islands and spanned by major bridges, known for its scenic beauty, mild climate, and historical role as an important maritime route.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T574375 — 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: Seto Inland Sea Context triple: [Shikoku, hasCoastlineOn, Seto Inland Sea]
-
A.
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.
-
B.
Tokyo Bay
Tokyo Bay is a large, strategically significant inlet on the Pacific coast of Honshu that serves as the maritime gateway to Japan’s capital, Tokyo.
-
C.
Harima-nada Sea
The Harima-nada Sea is a section of Japan’s Seto Inland Sea along the coast of Hyōgo Prefecture, known for its sheltered waters, fishing grounds, and busy maritime routes.
-
D.
Seto Inland Sea region
The Seto Inland Sea region is a coastal area of western Japan known for its sheltered waters, numerous islands, maritime industry, and historically important naval and commercial ports.
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E.
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.
- 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: Seto Inland Sea Target entity description: The Seto Inland Sea is a sheltered body of water in western Japan, dotted with numerous islands and spanned by major bridges, known for its scenic beauty, mild climate, and historical role as an important maritime route.
-
A.
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.
-
B.
Tokyo Bay
Tokyo Bay is a large, strategically significant inlet on the Pacific coast of Honshu that serves as the maritime gateway to Japan’s capital, Tokyo.
-
C.
Harima-nada Sea
The Harima-nada Sea is a section of Japan’s Seto Inland Sea along the coast of Hyōgo Prefecture, known for its sheltered waters, fishing grounds, and busy maritime routes.
-
D.
Seto Inland Sea region
The Seto Inland Sea region is a coastal area of western Japan known for its sheltered waters, numerous islands, maritime industry, and historically important naval and commercial ports.
-
E.
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.
- F. None of above. chosen
Statements (77)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
inland sea ⓘ sea in Japan ⓘ |
| borderedByIsland |
Honshu
ⓘ
Kyushu ⓘ Shikoku ⓘ |
| bordersPrefecture |
Ehime Prefecture
NERFINISHED
ⓘ
Fukuoka Prefecture NERFINISHED ⓘ Hiroshima Prefecture NERFINISHED ⓘ Hyogo Prefecture NERFINISHED ⓘ Kagawa Prefecture NERFINISHED ⓘ Oita Prefecture NERFINISHED ⓘ Okayama Prefecture NERFINISHED ⓘ Osaka Prefecture ⓘ Tokushima Prefecture NERFINISHED ⓘ Wakayama Prefecture NERFINISHED ⓘ Yamaguchi Prefecture NERFINISHED ⓘ |
| climate |
mild
ⓘ
relatively low rainfall ⓘ |
| connectsTo |
Bungo Channel
ⓘ
Kanmon Straits ⓘ Kii Channel ⓘ Pacific Ocean ⓘ Sea of Japan ⓘ |
| containsIsland |
Awaji Island
ⓘ
Innoshima ⓘ
surface form:
Ikuchijima
Inujima ⓘ Miyajima ⓘ Naoshima area ⓘ
surface form:
Naoshima
Omishima ⓘ Tomogashima Islands ⓘ
surface form:
Shikoku smaller islands
Shodoshima ⓘ Teshima ⓘ |
| country | Japan ⓘ |
| designatedAs |
Setonaikai National Park
ⓘ
surface form:
Setonaikai National Park core area
|
| hasApproximateArea | about 23,000 square kilometers ⓘ |
| hasApproximateAverageDepth | about 38 meters ⓘ |
| hasApproximateLength | about 450 kilometers ⓘ |
| hasEnvironmentalIssue |
eutrophication
ⓘ
industrial pollution ⓘ red tides ⓘ |
| hasFamousView |
Itsukushima Shrine
ⓘ
surface form:
Itsukushima Shrine on Miyajima
Shimanami Kaido ⓘ
surface form:
Shimanami Kaido cycling route
Tomonoura harbor ⓘ |
| hasJapaneseName | Seto Naikai ⓘ |
| hasMajorPort |
Hiroshima
ⓘ
Kitakyushu ⓘ Kobe ⓘ Okayama ⓘ Osaka ⓘ Takamatsu ⓘ |
| hasMaximumDepth | about 105 meters ⓘ |
| hasNationalPark | Setonaikai National Park ⓘ |
| historicalRole |
center of Setouchi trading network
ⓘ
major coastal shipping route in Japan ⓘ |
| hostsEvent | Setouchi Triennale art festival ⓘ |
| isPartOfCulturalRegion |
Seto Inland Sea region
ⓘ
surface form:
Setouchi region
|
| knownFor |
Setouchi art and culture
ⓘ
historic maritime route ⓘ mild climate ⓘ numerous islands ⓘ scenic beauty ⓘ |
| locatedInRegion | western Japan ⓘ |
| partOf |
Pacific Ocean drainage basin
ⓘ
surface form:
Pacific Ocean basin
|
| partOfRoute | historic maritime route between Osaka and Kyushu ⓘ |
| separates |
Honshu
ⓘ
Kyushu ⓘ Shikoku ⓘ |
| spannedByBridgeSystem |
Akashi Kaikyo Bridge
ⓘ
Kita Bisan-Seto Bridge ⓘ Kurushima-Kaikyō Bridge ⓘ
surface form:
Kurushima-Kaikyo Bridge
Nishiseto Expressway ⓘ
surface form:
Nishiseto Expressway (Shimanami Kaido)
Seto Ohashi Bridge ⓘ |
| supportsIndustry |
aquaculture
ⓘ
fishing ⓘ shipping ⓘ tourism ⓘ |
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: Seto Inland Sea Description of subject: The Seto Inland Sea is a sheltered body of water in western Japan, dotted with numerous islands and spanned by major bridges, known for its scenic beauty, mild climate, and historical role as an important maritime route.
Referenced by (175)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Tanba Highlands
this entity surface form:
Seto Inland Sea watershed
subject surface form:
Harima Province
subject surface form:
Kansai
this entity surface form:
Seto Inland Sea basin
subject surface form:
Etajima
subject surface form:
Etajima
this entity surface form:
Seto Inland Sea region
this entity surface form:
Seto Inland Sea region
subject surface form:
Hōfu
this entity surface form:
Inland Sea of Japan
this entity surface form:
Seto Inland Sea region
this entity surface form:
Seto Inland Sea region
this entity surface form:
Seto Inland Sea channels between Okayama and Kagawa
this entity surface form:
Seto Inland Sea (from Mount Ishizuchi area)