Agatsuma Line
E849246
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Agatsuma Line canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6402762 — 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: Agatsuma Line Context triple: [Takasaki Station, railwayLineServed, Agatsuma Line]
-
A.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Tsuyama Line
The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
- 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: Agatsuma Line Target entity description: 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.
-
A.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Tsuyama Line
The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connectsWith | Jōetsu Line ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| electrified | 1960 ⓘ |
| endPoint | Ōmae Station NERFINISHED ⓘ |
| formerOperator | Japanese National Railways ⓘ |
| gauge | 1067 mm ⓘ |
| hasStation |
Gunma-Haramachi Station
NERFINISHED
ⓘ
Gunma-Otsu Station NERFINISHED ⓘ Gunma-Yawata Station NERFINISHED ⓘ Haramachi Station NERFINISHED ⓘ Higashi-Agatsuma Station NERFINISHED ⓘ Iwashima Station NERFINISHED ⓘ Manza-Kazawaguchi Station NERFINISHED ⓘ Naganohara-Kusatsuguchi Station NERFINISHED ⓘ Nakanojō Station NERFINISHED ⓘ Onogami-Onsen Station NERFINISHED ⓘ Shibukawa Station NERFINISHED ⓘ Ōmae Station NERFINISHED ⓘ |
| junctionStation | Shibukawa Station NERFINISHED ⓘ |
| knownFor |
access to onsen resorts
ⓘ
scenic river valley views ⓘ |
| lineColor | green ⓘ |
| locatedIn |
Gunma Prefecture
ⓘ
Kantō region ⓘ |
| numberOfTracks | single track ⓘ |
| opened | 1945 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner | East Japan Railway Company ⓘ |
| passesThrough |
Agatsuma River valley
ⓘ
Higashi-Agatsuma ⓘ
linked to:
Higashiagatsuma
Naganohara ⓘ |
| primaryUse | passenger transport ⓘ |
| railNetwork |
JR East network
ⓘ
linked to:
JR East rail lines
|
| railwayCompanyAfterJNRPrivatization |
JR East
ⓘ
linked to:
East Japan Railway Company
|
| regionServed | northwestern Gunma Prefecture ⓘ |
| rollingStockType | electric multiple unit ⓘ |
| serviceType |
local
ⓘ
rapid ⓘ |
| startingPoint | Shibukawa Station NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminusStation |
Shibukawa Station
NERFINISHED
ⓘ
Ōmae Station NERFINISHED ⓘ |
| tourismRole | access route to Kusatsu Onsen area ⓘ |
| trackGauge | Cape gauge ⓘ |
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: Agatsuma Line Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.