RV Yokosuka
E67033
RV Yokosuka is a Japanese research vessel operated by JAMSTEC, best known for supporting deep-sea exploration missions, including dives to the Challenger Deep with the submersible Shinkai 6500.
All labels observed (3)
| Label | Occurrences |
|---|---|
| DSV Shinkai 6500 | 1 |
| RV Yokosuka canonical | 1 |
| research vessel Yokosuka | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T536862 — 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: RV Yokosuka Context triple: [Challenger Deep, surveyedBy, RV Yokosuka]
-
A.
Japanese aircraft carrier Ryūjō
The Japanese aircraft carrier Ryūjō was a light carrier of the Imperial Japanese Navy that saw extensive service in the early Pacific War before being sunk at the Battle of the Eastern Solomons in 1942.
-
B.
Japanese aircraft carrier Hōshō
The Japanese aircraft carrier Hōshō was the world’s first purpose-built aircraft carrier to enter service, playing a pioneering role in the development of naval aviation for the Imperial Japanese Navy.
-
C.
Japanese battleship Mutsu
Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
-
D.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
-
E.
Yamato
Yamato was a World War II-era Japanese battleship, famed as one of the largest and most heavily armed battleships ever constructed.
- 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: RV Yokosuka Target entity description: RV Yokosuka is a Japanese research vessel operated by JAMSTEC, best known for supporting deep-sea exploration missions, including dives to the Challenger Deep with the submersible Shinkai 6500.
-
A.
Japanese aircraft carrier Ryūjō
The Japanese aircraft carrier Ryūjō was a light carrier of the Imperial Japanese Navy that saw extensive service in the early Pacific War before being sunk at the Battle of the Eastern Solomons in 1942.
-
B.
Japanese aircraft carrier Hōshō
The Japanese aircraft carrier Hōshō was the world’s first purpose-built aircraft carrier to enter service, playing a pioneering role in the development of naval aviation for the Imperial Japanese Navy.
-
C.
Japanese battleship Mutsu
Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
-
D.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
-
E.
Yamato
Yamato was a World War II-era Japanese battleship, famed as one of the largest and most heavily armed battleships ever constructed.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
research vessel
ⓘ
ship ⓘ |
| beam | 16.0 m ⓘ |
| buildDate | 1990 ⓘ |
| builder |
Mitsubishi Heavy Industries
ⓘ
Mitsubishi Heavy Industries, Shimonoseki Shipyard ⓘ |
| callsign | JNSY ⓘ |
| classification | oceanographic research vessel ⓘ |
| country | Japan ⓘ |
| crewCapacity | about 60 persons ⓘ |
| fieldOfWork |
deep-sea geology
ⓘ
marine science ⓘ ocean engineering ⓘ |
| flag | Japan ⓘ |
| grossTonnage | 4463 GT ⓘ |
| hasEquipment |
A-frame for submersible handling
ⓘ
scientific laboratories ⓘ winches for deep-sea operations ⓘ |
| hasFacility |
accommodation for scientists
ⓘ
helicopter landing area ⓘ |
| hasMission | support manned dives to depths greater than 6000 m ⓘ |
| hasSubordinate |
RV Yokosuka
self-linksurface differs
ⓘ
surface form:
DSV Shinkai 6500
|
| homeport | Yokosuka, Kanagawa, Japan ⓘ |
| IMONumber | 8917223 ⓘ |
| length | 105.2 m ⓘ |
| managedBy |
Japan Agency for Marine-Earth Science and Technology
ⓘ
surface form:
JAMSTEC Ship Management Division
|
| namedAfter |
Yokosuka, Kanagawa, Japan
ⓘ
surface form:
city of Yokosuka
|
| navigationArea |
Pacific Ocean
ⓘ
world oceans ⓘ |
| notableFor |
Japanese deep-sea research operations
ⓘ
supporting Shinkai 6500 dives to Challenger Deep ⓘ |
| operator |
Japan Agency for Marine-Earth Science and Technology
ⓘ
surface form:
JAMSTEC
Japan Agency for Marine-Earth Science and Technology ⓘ |
| owner | Japan Agency for Marine-Earth Science and Technology ⓘ |
| propulsion | diesel-electric ⓘ |
| purpose |
oceanographic research
ⓘ
support of manned submersible operations ⓘ |
| registryPort |
Tokyo
ⓘ
surface form:
Tokyo, Japan
|
| serviceEntry | 1990 ⓘ |
| status | in active service ⓘ |
| supports |
Challenger Deep exploration missions
ⓘ
deep-sea exploration missions ⓘ dives of Shinkai 6500 ⓘ |
| uses | deep-submergence vehicle Shinkai 6500 ⓘ |
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: RV Yokosuka Description of subject: RV Yokosuka is a Japanese research vessel operated by JAMSTEC, best known for supporting deep-sea exploration missions, including dives to the Challenger Deep with the submersible Shinkai 6500.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
DSV Shinkai 6500
subject surface form:
Shinkai 6500
this entity surface form:
research vessel Yokosuka