Hakodate Bay
E404423
Hakodate Bay is a coastal inlet on the southern shore of Hokkaido, Japan, known for its strategic maritime location and as the site of the decisive 1869 Naval Battle of Hakodate during the Boshin War.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hakodate Bay canonical | 6 |
| 函館湾 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3843406 — 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: Hakodate Bay Context triple: [Naval Battle of Hakodate, location, Hakodate Bay]
-
A.
Ishikari Bay
Ishikari Bay is a coastal bay on the Sea of Japan in Hokkaido, Japan, known for its fishing, shipping activities, and proximity to cities like Otaru and Sapporo.
-
B.
Hakata Bay
Hakata Bay is a coastal bay in northern Kyushu, Japan, known historically as a strategic port and site of major maritime events, including the Mongol invasions.
-
C.
Nagasaki Bay
Nagasaki Bay is a natural harbor on the western coast of Kyushu, Japan, historically significant as a key port for international trade and cultural exchange.
-
D.
Sagami Bay
Sagami Bay is a coastal body of water south of Tokyo, Japan, known for its deep submarine canyon, rich marine biodiversity, and significant seismic activity.
-
E.
Kashima-nada
Kashima-nada is a stretch of the Pacific Ocean off the eastern coast of Japan, known for its rough seas and strong coastal currents.
- 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: Hakodate Bay Target entity description: Hakodate Bay is a coastal inlet on the southern shore of Hokkaido, Japan, known for its strategic maritime location and as the site of the decisive 1869 Naval Battle of Hakodate during the Boshin War.
-
A.
Ishikari Bay
Ishikari Bay is a coastal bay on the Sea of Japan in Hokkaido, Japan, known for its fishing, shipping activities, and proximity to cities like Otaru and Sapporo.
-
B.
Hakata Bay
Hakata Bay is a coastal bay in northern Kyushu, Japan, known historically as a strategic port and site of major maritime events, including the Mongol invasions.
-
C.
Nagasaki Bay
Nagasaki Bay is a natural harbor on the western coast of Kyushu, Japan, historically significant as a key port for international trade and cultural exchange.
-
D.
Sagami Bay
Sagami Bay is a coastal body of water south of Tokyo, Japan, known for its deep submarine canyon, rich marine biodiversity, and significant seismic activity.
-
E.
Kashima-nada
Kashima-nada is a stretch of the Pacific Ocean off the eastern coast of Japan, known for its rough seas and strong coastal currents.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
bay
ⓘ
coastal inlet ⓘ |
| adjacentTo |
Hakodate
ⓘ
surface form:
Hakodate city center
Mount Hakodate NERFINISHED ⓘ |
| country | Japan ⓘ |
| eventDate |
Naval Battle of Hakodate
ⓘ
surface form:
1869 Naval Battle of Hakodate
|
| governingBody |
Hakodate
ⓘ
surface form:
City of Hakodate
|
| hasCityOnShore | Hakodate NERFINISHED ⓘ |
| hasEconomicRole |
regional fisheries
ⓘ
regional shipping ⓘ tourism in Hakodate ⓘ |
| hasFeature |
ice-free port conditions
ⓘ
natural harbor ⓘ |
| hasPort | Port of Hakodate ⓘ |
| hasViewOf | Mount Hakodate NERFINISHED ⓘ |
| historicalPeriod | Boshin War ⓘ |
| JapaneseName |
Hakodate Bay
self-linksurface differs
ⓘ
surface form:
函館湾
|
| knownFor |
Naval Battle of Hakodate
ⓘ
role in Boshin War ⓘ strategic maritime location ⓘ |
| languageOfToponym | Japanese ⓘ |
| locatedIn |
Hakodate
NERFINISHED
ⓘ
Hokkaido ⓘ Oshima Peninsula ⓘ Iburi region of Hokkaido ⓘ
surface form:
southern Hokkaido
|
| locatedOn | southern shore of Hokkaido ⓘ |
| locatedOnCoastOf | Pacific Ocean ⓘ |
| locationOfEvent |
Naval Battle of Hakodate
ⓘ
surface form:
Battle of Hakodate Bay
Naval Battle of Hakodate ⓘ |
| nearbyIsland | Honshu ⓘ |
| nearbyStrait | Tsugaru Strait ⓘ |
| opensTo | Tsugaru Strait ⓘ |
| partOf |
Japanese coastal waters
ⓘ
Tsugaru Strait ⓘ |
| region | Oshima Subprefecture ⓘ |
| strategicImportance |
gateway between Hokkaido and Honshu
ⓘ
naval operations in northern Japan ⓘ |
| tourismAttractionType | scenic bay ⓘ |
| usedFor |
commercial shipping
ⓘ
ferry services ⓘ fishing ⓘ maritime transport ⓘ |
| waterBodyType | marine inlet ⓘ |
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: Hakodate Bay Description of subject: Hakodate Bay is a coastal inlet on the southern shore of Hokkaido, Japan, known for its strategic maritime location and as the site of the decisive 1869 Naval Battle of Hakodate during the Boshin War.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
函館湾