Karasuyama Line
E848902
The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Karasuyama Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6314008 — 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: Karasuyama Line Context triple: [Utsunomiya Station, servedBy, Karasuyama Line]
-
A.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
B.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
C.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
D.
Fukuchiyama Line
The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
-
E.
Sotobō Line
The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo 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: Karasuyama Line Target entity description: The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
-
A.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
B.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
C.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
D.
Fukuchiyama Line
The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
-
E.
Sotobō Line
The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo area.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connects |
Nasukarasuyama
NERFINISHED
ⓘ
Utsunomiya NERFINISHED ⓘ |
| connectsToLine | Utsunomiya Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| countrySubdivision | Japan: Tochigi Prefecture NERFINISHED ⓘ |
| electrification |
non-electrified
ⓘ
none ⓘ |
| formerOperator | Japanese National Railways NERFINISHED ⓘ |
| gaugeCategory | narrow gauge railway ⓘ |
| geographicLocation | Honshu NERFINISHED ⓘ |
| hasStation |
Karasuyama Station
NERFINISHED
ⓘ
Utsunomiya Station NERFINISHED ⓘ |
| locale | Tochigi Prefecture NERFINISHED ⓘ |
| locatedInPrefecture | Tochigi Prefecture NERFINISHED ⓘ |
| numberOfTracks | single track ⓘ |
| openingDate | 1923 ⓘ |
| operator |
East Japan Railway Company
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ |
| owner | East Japan Railway Company NERFINISHED ⓘ |
| railwaySystem | JR East network NERFINISHED ⓘ |
| regionServed | Kantō region NERFINISHED ⓘ |
| rollingStockType | diesel multiple unit ⓘ |
| serviceType | local ⓘ |
| signallingSystem | automatic signalling ⓘ |
| status | in operation ⓘ |
| terminus |
Karasuyama Station
NERFINISHED
ⓘ
Utsunomiya Station NERFINISHED ⓘ |
| trackGauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| transportMode | rail transport ⓘ |
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: Karasuyama Line Description of subject: The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.