Nippō Main Line
E621284
The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nippō Main Line canonical | 2 |
| served by Nippo Main Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3911317 — 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: Nippō Main Line Context triple: [Beppu, railwayLine, Nippō Main Line]
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
-
C.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
D.
Seto-Ōhashi Line
The Seto-Ōhashi Line is a railway route in Japan that connects Honshu and Shikoku across the Seto Inland Sea, forming the rail link over the Great Seto Bridge system.
-
E.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
- 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: Nippō Main Line Target entity description: The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
-
A.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
B.
Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
-
C.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
D.
Seto-Ōhashi Line
The Seto-Ōhashi Line is a railway route in Japan that connects Honshu and Shikoku across the Seto Inland Sea, forming the rail link over the Great Seto Bridge system.
-
E.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
JR Kyushu line
ⓘ
railway line ⓘ |
| alsoUsedFor | freight rail transport ⓘ |
| connectsCity |
Beppu
NERFINISHED
ⓘ
Hyūga NERFINISHED ⓘ Kagoshima NERFINISHED ⓘ Kitsuki NERFINISHED ⓘ Kokura NERFINISHED ⓘ Miyakonojō NERFINISHED ⓘ Miyazaki NERFINISHED ⓘ Nakatsu NERFINISHED ⓘ Nobeoka NERFINISHED ⓘ Saiki NERFINISHED ⓘ Usa NERFINISHED ⓘ Ōita NERFINISHED ⓘ |
| connectsToLine |
Hōhi Main Line
NERFINISHED
ⓘ
Kagoshima Main Line NERFINISHED ⓘ Nagasaki Main Line NERFINISHED ⓘ Nippō Main Line branch lines NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification |
20 kV AC
ⓘ
50 Hz ⓘ 60 Hz ⓘ |
| followsCoastOf | eastern coast of Kyushu ⓘ |
| formerOwner |
Japanese Government Railways
NERFINISHED
ⓘ
Japanese National Railways NERFINISHED ⓘ |
| gauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| isPartOfNetwork | JR Kyushu railway network NERFINISHED ⓘ |
| locatedIn |
Japan
ⓘ
Kyushu NERFINISHED ⓘ |
| operator |
JR Kyushu
NERFINISHED
ⓘ
Kyushu Railway Company NERFINISHED ⓘ |
| owner | JR Kyushu NERFINISHED ⓘ |
| primaryUse | passenger rail transport ⓘ |
| region |
Fukuoka Prefecture
NERFINISHED
ⓘ
Kagoshima Prefecture NERFINISHED ⓘ Miyazaki Prefecture NERFINISHED ⓘ Oita Prefecture NERFINISHED ⓘ |
| servesArea |
Beppu Bay area
NERFINISHED
ⓘ
Miyazaki Plain NERFINISHED ⓘ Ōita urban area ⓘ |
| terminus |
Kagoshima Station
NERFINISHED
ⓘ
Kokura Station NERFINISHED ⓘ |
| trackConfiguration |
double track
ⓘ
single track ⓘ |
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: Nippō Main Line Description of subject: The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.