JR Kusatsu Line
E919945
JR Kusatsu Line is a regional railway line in Japan operated by JR West that connects Kusatsu in Shiga Prefecture with surrounding areas.
All labels observed (3)
| Label | Occurrences |
|---|---|
| JR Kusatsu Line canonical | 1 |
| JR West Kusatsu Line | 1 |
| accessible by JR Kusatsu Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8277038 — 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: JR Kusatsu Line Context triple: [Kusatsu, Shiga, railwayLineServedBy, JR Kusatsu Line]
-
A.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
B.
Jōetsu Line
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
-
C.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
D.
Agatsuma Line
The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
-
E.
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.
- 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: JR Kusatsu Line Target entity description: JR Kusatsu Line is a regional railway line in Japan operated by JR West that connects Kusatsu in Shiga Prefecture with surrounding areas.
-
A.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
B.
Jōetsu Line
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
-
C.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
D.
Agatsuma Line
The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
-
E.
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.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
regional rail line ⓘ |
| connects |
Kusatsu Station
NERFINISHED
ⓘ
surrounding areas in Shiga Prefecture ⓘ |
| country | Japan ⓘ |
| electrification | overhead line ⓘ |
| gauge | 1,067 mm ⓘ |
| hasOwnerAfterJNRPrivatization | JR West ⓘ |
| hasPrimaryFunction | passenger transport ⓘ |
| hasServiceType |
local trains
ⓘ
regional trains ⓘ |
| locale |
Kusatsu, Shiga
ⓘ
Shiga Prefecture NERFINISHED ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| owner | West Japan Railway Company ⓘ |
| partOfNetwork |
JR West urban network
ⓘ
linked to:
JR West Urban Network
|
| railwaySignalling | automatic signalling ⓘ |
| railwaySystem | JR Group ⓘ |
| regionServed |
Kusatsu, Shiga Prefecture
ⓘ
linked to:
Kusatsu, Shiga
|
| status | in operation ⓘ |
| terminus | Kusatsu Station NERFINISHED ⓘ |
| trackConfiguration | 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: JR Kusatsu Line Description of subject: JR Kusatsu Line is a regional railway line in Japan operated by JR West that connects Kusatsu in Shiga Prefecture with surrounding areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: JR Kusatsu Line
linked to: JR Kusatsu Line