Honshu coast
E243907
The Honshu coast is the extensive shoreline of Japan’s largest island, facing both the Pacific Ocean and the Sea of Japan and encompassing major bays, peninsulas, and port cities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Sea of Japan coast | 2 |
| Honshu coast canonical | 1 |
| Honshu east coast | 1 |
| Sea of Japan coast of central Honshu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2213870 — 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: Honshu coast Context triple: [Kii Channel, borderedBy, Honshu coast]
-
A.
Hanko Peninsula
Hanko Peninsula is a strategically important southwestern Finnish peninsula that controls access to the Gulf of Finland and has historically been significant for military and naval operations.
-
B.
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.
-
C.
Tohoku
Tohoku is the northeastern region of Japan’s main island, known for its rural landscapes, harsh winters, and rich traditional culture.
-
D.
Tatsuno
Tatsuno is a city in western Japan known for its traditional soy sauce production and historic townscape within Hyogo Prefecture.
-
E.
Shikoku Basin
Shikoku Basin is a back-arc basin in the Philippine Sea, located south of Japan and formed by seafloor spreading behind the Izu–Bonin–Mariana volcanic arc.
- 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: Honshu coast Target entity description: The Honshu coast is the extensive shoreline of Japan’s largest island, facing both the Pacific Ocean and the Sea of Japan and encompassing major bays, peninsulas, and port cities.
-
A.
Hanko Peninsula
Hanko Peninsula is a strategically important southwestern Finnish peninsula that controls access to the Gulf of Finland and has historically been significant for military and naval operations.
-
B.
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.
-
C.
Tohoku
Tohoku is the northeastern region of Japan’s main island, known for its rural landscapes, harsh winters, and rich traditional culture.
-
D.
Tatsuno
Tatsuno is a city in western Japan known for its traditional soy sauce production and historic townscape within Hyogo Prefecture.
-
E.
Shikoku Basin
Shikoku Basin is a back-arc basin in the Philippine Sea, located south of Japan and formed by seafloor spreading behind the Izu–Bonin–Mariana volcanic arc.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
coastline
ⓘ
geographical region ⓘ |
| borders |
Pacific Ocean
ⓘ
Sea of Japan ⓘ |
| country | Japan ⓘ |
| hasFeature |
cliffed coasts
ⓘ
estuaries ⓘ natural harbors ⓘ rocky shores ⓘ sandy beaches ⓘ |
| hasMajorBay |
Ise Bay
ⓘ
Osaka Bay ⓘ Sendai Bay ⓘ Suruga Bay ⓘ Tokyo Bay ⓘ Toyama Bay ⓘ Wakasa Bay ⓘ |
| hasMajorPeninsula |
Boso Peninsula
ⓘ
Kii Peninsula ⓘ Noto Peninsula ⓘ Oga Peninsula ⓘ |
| hasMajorPortCity |
Akita
ⓘ
Aomori ⓘ Chiba ⓘ Fukui ⓘ Hachinohe ⓘ Hiroshima ⓘ Kanazawa ⓘ Kobe ⓘ Nagoya ⓘ Niigata ⓘ Osaka ⓘ Sakai ⓘ Sendai ⓘ Shimizu ⓘ Tokyo ⓘ Toyama ⓘ Tsuruga ⓘ Wakayama Prefecture ⓘ
surface form:
Wakayama
Yamagata ⓘ Yokohama ⓘ Yokosuka ⓘ |
| hasSegment |
Pacific coast of Honshu
ⓘ
Sea of Japan coast ⓘ
surface form:
Sea of Japan coast of Honshu
Seto Inland Sea coast ⓘ
surface form:
Seto Inland Sea coast of Honshu
|
| influences |
Japanese fishing industry
ⓘ
Japanese shipping routes ⓘ coastal climate of Honshu ⓘ |
| locatedOn | Honshu ⓘ |
| partOf | Japanese archipelago ⓘ |
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: Honshu coast Description of subject: The Honshu coast is the extensive shoreline of Japan’s largest island, facing both the Pacific Ocean and the Sea of Japan and encompassing major bays, peninsulas, and port cities.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Kashiwazaki
this entity surface form:
Sea of Japan coast
this entity surface form:
Sea of Japan coast of central Honshu
this entity surface form:
Sea of Japan coast
this entity surface form:
Honshu east coast