Ogasawara Maru ferry
E593194
The Ogasawara Maru ferry is a long-distance passenger and cargo ship that provides the primary sea link between Tokyo and the remote Ogasawara (Bonin) Islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ogasawara Maru ferry canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6436237 — 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: Ogasawara Maru ferry Context triple: [Ogasawara, Tokyo, transportAccess, Ogasawara Maru ferry]
-
A.
Shinkoku Maru
Shinkoku Maru is a famous World War II-era Japanese oil tanker wreck that now serves as a popular scuba diving site in Chuuk Lagoon, Micronesia.
-
B.
Fujikawa Maru
Fujikawa Maru is a famous World War II Japanese cargo shipwreck in Chuuk Lagoon, now serving as a popular wreck diving site rich with marine life and historical artifacts.
-
C.
San Francisco Maru
The San Francisco Maru is a famous World War II Japanese cargo shipwreck in Chuuk Lagoon, renowned among advanced divers for its well-preserved tanks, trucks, and munitions lying at significant depth.
-
D.
Heian Maru
Heian Maru is a famous World War II Japanese transport shipwreck in Chuuk Lagoon, now a popular site for recreational wreck diving.
-
E.
Yamagiri Maru
Yamagiri Maru is a famous World War II Japanese shipwreck in Chuuk Lagoon, now a popular scuba diving site known for its well-preserved structure and wartime artifacts.
- 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: Ogasawara Maru ferry Target entity description: The Ogasawara Maru ferry is a long-distance passenger and cargo ship that provides the primary sea link between Tokyo and the remote Ogasawara (Bonin) Islands.
-
A.
Shinkoku Maru
Shinkoku Maru is a famous World War II-era Japanese oil tanker wreck that now serves as a popular scuba diving site in Chuuk Lagoon, Micronesia.
-
B.
Fujikawa Maru
Fujikawa Maru is a famous World War II Japanese cargo shipwreck in Chuuk Lagoon, now serving as a popular wreck diving site rich with marine life and historical artifacts.
-
C.
San Francisco Maru
The San Francisco Maru is a famous World War II Japanese cargo shipwreck in Chuuk Lagoon, renowned among advanced divers for its well-preserved tanks, trucks, and munitions lying at significant depth.
-
D.
Heian Maru
Heian Maru is a famous World War II Japanese transport shipwreck in Chuuk Lagoon, now a popular site for recreational wreck diving.
-
E.
Yamagiri Maru
Yamagiri Maru is a famous World War II Japanese shipwreck in Chuuk Lagoon, now a popular scuba diving site known for its well-preserved structure and wartime artifacts.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ferry
ⓘ
ocean-going vessel ⓘ passenger and cargo ship ⓘ |
| accessibility | main public transport to Ogasawara Islands ⓘ |
| arrivalPort | Chichijima ⓘ |
| associatedWith |
Ogasawara Village
ⓘ
Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
|
| cannotCarry | private cars over long distance road-style ferry service ⓘ |
| cargoType |
general cargo
ⓘ
supplies for island residents ⓘ |
| category |
ferries of Japan
ⓘ
ships of Japan ⓘ |
| connects |
Ogasawara Islands
ⓘ
Tokyo ⓘ remote island community ⓘ |
| country | Japan ⓘ |
| departurePort | Tokyo ⓘ |
| flagState | Japan ⓘ |
| hasSchedule | regular sailings between Tokyo and Ogasawara Islands ⓘ |
| homePort | Tokyo ⓘ |
| importance | essential lifeline for Ogasawara residents ⓘ |
| infrastructureRole | regional transport infrastructure of Tokyo Metropolis ⓘ |
| languageOfOperation | Japanese ⓘ |
| operatedBy | Ogasawara Kaiun Kaisha ⓘ |
| operatorType | shipping company ⓘ |
| passengerService |
cabin accommodation
ⓘ
tourist transportation ⓘ |
| primaryFunction |
transport cargo
ⓘ
transport passengers ⓘ |
| propulsion | motor ship ⓘ |
| regulatoryJurisdiction | Japanese maritime authorities ⓘ |
| role | primary sea link between Tokyo and Ogasawara Islands ⓘ |
| route |
Tokyo–Chichijima
ⓘ
linked to:
Chichijima
Tokyo–Ogasawara Islands ⓘ
linked to:
Ogasawara Islands
|
| seaArea | Northwest Pacific Ocean ⓘ |
| serviceArea |
Bonin Islands
ⓘ
linked to:
Ogasawara Islands
Ogasawara Islands ⓘ |
| serviceType |
liner service
ⓘ
long-distance ferry service ⓘ |
| supports |
logistics for Ogasawara Islands
ⓘ
tourism in Ogasawara Islands ⓘ |
| transportMode | maritime transport ⓘ |
| typicalPassengers |
local residents
ⓘ
researchers ⓘ tourists ⓘ |
| usedFor | access to remote islands without airports ⓘ |
| voyageType |
multi-day voyage
ⓘ
overnight voyage ⓘ |
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: Ogasawara Maru ferry Description of subject: The Ogasawara Maru ferry is a long-distance passenger and cargo ship that provides the primary sea link between Tokyo and the remote Ogasawara (Bonin) Islands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
village of Ogasawara, Tokyo