Shinkai 6500
E206378
Shinkai 6500 is a Japanese crewed deep-sea research submersible capable of diving to depths of 6,500 meters to study the ocean floor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Shinkai 2000 | 1 |
| Shinkai 6500 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1850497 — 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: Shinkai 6500 Context triple: [Japan Agency for Marine-Earth Science and Technology, operates, Shinkai 6500]
-
A.
Hikifune
Hikifune is a neighborhood in Tokyo’s Sumida ward, known as a traditional residential area with convenient access to central Tokyo.
-
B.
Naikaku
Naikaku is the Japanese term for the Cabinet, the executive branch of Japan’s national government headed by the Prime Minister.
-
C.
Akashi
Akashi is a coastal city in western Japan known for its historic castle, views of the Akashi Kaikyō Strait, and its specialty dish akashiyaki.
-
D.
Hiryū
Hiryū was a Japanese aircraft carrier of the Imperial Japanese Navy, best known for its crucial role and eventual sinking during the Battle of Midway in World War II.
-
E.
Kaiyukan
Kaiyukan is a large, world-renowned public aquarium in Osaka, Japan, famous for its massive central tank and immersive marine life exhibits.
- 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: Shinkai 6500 Target entity description: Shinkai 6500 is a Japanese crewed deep-sea research submersible capable of diving to depths of 6,500 meters to study the ocean floor.
-
A.
Hikifune
Hikifune is a neighborhood in Tokyo’s Sumida ward, known as a traditional residential area with convenient access to central Tokyo.
-
B.
Naikaku
Naikaku is the Japanese term for the Cabinet, the executive branch of Japan’s national government headed by the Prime Minister.
-
C.
Akashi
Akashi is a coastal city in western Japan known for its historic castle, views of the Akashi Kaikyō Strait, and its specialty dish akashiyaki.
-
D.
Hiryū
Hiryū was a Japanese aircraft carrier of the Imperial Japanese Navy, best known for its crucial role and eventual sinking during the Battle of Midway in World War II.
-
E.
Kaiyukan
Kaiyukan is a large, world-renowned public aquarium in Osaka, Japan, famous for its massive central tank and immersive marine life exhibits.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
crewed deep-sea research submersible
ⓘ
research submersible ⓘ underwater vehicle ⓘ |
| basedAt | Yokosuka, Kanagawa, Japan ⓘ |
| beam | approximately 2.8 meters ⓘ |
| carriedBy | support vessel Yokosuka ⓘ |
| commissioned | 1990 ⓘ |
| countryOfOrigin | Japan ⓘ |
| crewCapacity | 3 ⓘ |
| crewComposition | 2 pilots and 1 researcher ⓘ |
| designedBy | JAMSTEC ⓘ |
| displacement | approximately 26 tons ⓘ |
| endurance | approximately 8 hours underwater ⓘ |
| hasEquipment |
high-intensity lights
ⓘ
manipulator arms ⓘ sampling devices ⓘ sonar systems ⓘ still cameras ⓘ video cameras ⓘ |
| height | approximately 3.2 meters ⓘ |
| homePort | JAMSTEC Yokosuka headquarters ⓘ |
| hullMaterial | titanium alloy ⓘ |
| launched | 1989 ⓘ |
| length | approximately 9.7 meters ⓘ |
| manufacturer |
Kawasaki Heavy Industries
ⓘ
Mitsubishi Heavy Industries ⓘ |
| maximumDiveDepth |
6.5 kilometers
ⓘ
6500 meters ⓘ |
| maxSpeed | approximately 3 knots ⓘ |
| nameMeaning | Deep Sea 6500 in Japanese ⓘ |
| notableAchievement | one of the deepest-diving crewed research submersibles in the world ⓘ |
| numberOfViewports | 3 ⓘ |
| operator |
JAMSTEC
ⓘ
Japan Agency for Marine-Earth Science and Technology ⓘ |
| powerSource | battery-powered ⓘ |
| pressureHullShape | spherical ⓘ |
| propulsion | electric thrusters ⓘ |
| purpose |
biology research
ⓘ
deep-sea research ⓘ marine geology research ⓘ ocean floor exploration ⓘ |
| registration | JAMSTEC research fleet ⓘ |
| serviceEntry | 1990 ⓘ |
| successorTo |
Shinkai 2000
ⓘ
linked to:
Shinkai 6500
|
| usedFor |
investigation of deep-sea trenches
ⓘ
observation of deep-sea ecosystems ⓘ study of hydrothermal vent fields ⓘ survey of seafloor mineral resources ⓘ |
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: Shinkai 6500 Description of subject: Shinkai 6500 is a Japanese crewed deep-sea research submersible capable of diving to depths of 6,500 meters to study the ocean floor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Shinkai 6500