Sado Kisen ferry services
E530928
Sado Kisen ferry services is a Japanese ferry operator providing passenger and vehicle transport between Sado Island and mainland Niigata Prefecture.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Naoetsu–Sado ferry route | 1 |
| Sado Kisen ferry services canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5571542 — 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: Sado Kisen ferry services Context triple: [Sado, Niigata, Japan, hasTransportation, Sado Kisen ferry services]
-
A.
Kuroshio limited express
The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
-
B.
Black Ball Ferry Line
Black Ball Ferry Line is a private ferry company that operates passenger and vehicle service across the Strait of Juan de Fuca between Washington State and Vancouver Island.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Kure Line
The Kure Line is a Japanese railway line serving the coastal area around Kure in Hiroshima Prefecture, connecting local communities with larger urban centers.
-
E.
Yamatoji Rapid Service
Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
- 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: Sado Kisen ferry services Target entity description: Sado Kisen ferry services is a Japanese ferry operator providing passenger and vehicle transport between Sado Island and mainland Niigata Prefecture.
-
A.
Kuroshio limited express
The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
-
B.
Black Ball Ferry Line
Black Ball Ferry Line is a private ferry company that operates passenger and vehicle service across the Strait of Juan de Fuca between Washington State and Vancouver Island.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Kure Line
The Kure Line is a Japanese railway line serving the coastal area around Kure in Hiroshima Prefecture, connecting local communities with larger urban centers.
-
E.
Yamatoji Rapid Service
Yamatoji Rapid Service is a Japanese commuter rail service operated by JR West that provides fast, limited-stop connections across the Osaka–Nara area.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
ferry operator
ⓘ
transport company ⓘ |
| connects | Niigata mainland ports ⓘ |
| country | Japan ⓘ |
| hasCustomerType |
commercial vehicle operators
ⓘ
local residents ⓘ tourists ⓘ |
| industry |
maritime transport
ⓘ
passenger transport ⓘ vehicle transport ⓘ |
| languageOfOperation | Japanese ⓘ |
| modeOfTransport | sea transport ⓘ |
| offers |
cargo transport
ⓘ
passenger transport ⓘ vehicle transport ⓘ |
| operatesIn |
Japan
ⓘ
Sea of Japan waters near Niigata ⓘ |
| primaryFunction | connecting Sado Island with mainland Niigata ⓘ |
| regionServed | Sado City ⓘ |
| routeEndpoint |
Niigata Prefecture mainland
ⓘ
linked to:
Niigata Prefecture
Sado Island ⓘ |
| safetyRegulationJurisdiction |
Japan maritime authorities
ⓘ
linked to:
Japan Coast Guard
|
| serviceArea |
Niigata Prefecture
ⓘ
Sado Island ⓘ Sea of Japan ⓘ |
| serviceType |
car ferry
ⓘ
ferry ⓘ high-speed passenger ferry ⓘ |
| ticketingMethod |
online reservations
ⓘ
port ticket counters ⓘ |
| transportLinks | Sado Island – Niigata mainland routes ⓘ |
| typicalCargo |
buses
ⓘ
motorcycles ⓘ private cars ⓘ trucks ⓘ |
| typicalPassengerPurpose |
commuting
ⓘ
logistics and business travel ⓘ tourism ⓘ |
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: Sado Kisen ferry services Description of subject: Sado Kisen ferry services is a Japanese ferry operator providing passenger and vehicle transport between Sado Island and mainland Niigata Prefecture.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sado Kisen ferry services