Nikkō Line
E848878
The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nikkō Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6314007 — 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: Nikkō Line Context triple: [Utsunomiya Station, servedBy, Nikkō Line]
-
A.
Ōme Line
The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
-
B.
Nippō Main Line
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.
-
C.
Ueno-Tokyo Line
The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
-
D.
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.
-
E.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
- 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: Nikkō Line Target entity description: The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
-
A.
Ōme Line
The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
-
B.
Nippō Main Line
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.
-
C.
Ueno-Tokyo Line
The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
-
D.
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.
-
E.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
heavy rail
ⓘ
railway line ⓘ |
| belongsTo | JR East Utsunomiya Branch area ⓘ |
| connects |
Nikkō
ⓘ
linked to:
Nikko
Utsunomiya ⓘ |
| connectsToLine |
Tōhoku Main Line
ⓘ
Utsunomiya Line ⓘ |
| country | Japan ⓘ |
| depot | Utsunomiya ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| electrificationSystem | overhead line ⓘ |
| electrified | 1922 ⓘ |
| formerOperator | Japanese National Railways ⓘ |
| hasColorOnMaps | orange (JR East route maps, context-dependent) ⓘ |
| hasNumberOfStations | 7 ⓘ |
| hasService |
local trains
ⓘ
rapid trains (seasonal or limited) ⓘ |
| historicalRole | access route to Nikkō shrines and temples ⓘ |
| isPartOfNetwork |
JR East network
ⓘ
linked to:
JR East rail lines
|
| lineLength | about 40.5 km ⓘ |
| locale | Tochigi Prefecture NERFINISHED ⓘ |
| locatedIn | Honshu ⓘ |
| notableFor | access to Nikkō UNESCO World Heritage sites ⓘ |
| numberOfTracks | single track ⓘ |
| opened | 1890 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner | East Japan Railway Company ⓘ |
| primaryUse |
commuter rail
ⓘ
tourist transport ⓘ |
| regionServed | Kantō region ⓘ |
| rollingStock |
205 series EMU (former)
ⓘ
linked to:
205 series EMU
E131-600 series EMU ⓘ
linked to:
E131 series
E131-680 series EMU ⓘ
linked to:
E131 series
E233-3000 series EMU ⓘ
linked to:
E233 series EMU
|
| safetySystem |
ATS-P
ⓘ
ATS-SN ⓘ |
| serves |
Nikkō city
ⓘ
linked to:
Nikko
Utsunomiya city ⓘ
linked to:
Utsunomiya
|
| servicePattern | all-stations stopping services ⓘ |
| signallingSystem | automatic signalling ⓘ |
| startingStation | Utsunomiya Station NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminusStation | Nikkō Station ⓘ |
| trackGauge |
1,067 mm
ⓘ
Cape gauge ⓘ
linked to:
Cape gauge (3 ft 6 in / 1067 mm)
|
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: Nikkō Line Description of subject: The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Utsunomiya, Tochigi Prefecture, Japan