Ryomo Line
E849267
The Ryomo Line is a regional railway line in Japan operated by JR East that connects Maebashi and Oyama, serving the northern Kanto region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ryomo Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6402763 — 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: Ryomo Line Context triple: [Takasaki Station, railwayLineServed, Ryomo 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.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
C.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail 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.
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.
- 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: Ryomo Line Target entity description: The Ryomo Line is a regional railway line in Japan operated by JR East that connects Maebashi and Oyama, serving the northern Kanto region.
-
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.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
-
C.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail 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.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connectsCity |
Isesaki
ⓘ
Maebashi ⓘ Oyama ⓘ Tatebayashi ⓘ |
| connectsWithLine |
Mito Line at Oyama
ⓘ
linked to:
Mito Line
Ryōmō region ⓘ Takasaki Line at Shin-Maebashi via through services ⓘ Tōhoku Main Line at Oyama ⓘ
linked to:
Tōhoku Main Line
|
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| electrified | yes ⓘ |
| endPoint | Oyama Station NERFINISHED ⓘ |
| formerOperator | Japanese National Railways ⓘ |
| gauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| hasJapaneseName | 両毛線 ⓘ |
| lineLength | approximately 84.4 km ⓘ |
| locatedIn |
Kantō region
ⓘ
northern Kantō region ⓘ |
| locatedInPrefecture |
Gunma Prefecture
ⓘ
Saitama Prefecture NERFINISHED ⓘ Tochigi Prefecture NERFINISHED ⓘ |
| numberOfStations | about 20 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner | East Japan Railway Company ⓘ |
| ownerAfter1987 |
JR East
ⓘ
linked to:
East Japan Railway Company
|
| primaryFunction |
commuter transport
ⓘ
regional transport ⓘ |
| railwayCompanyAfterJNRPrivatization |
JR East
ⓘ
linked to:
East Japan Railway Company
|
| railwaySignaling | automatic block system ⓘ |
| railwaySystem |
JR East network
ⓘ
linked to:
JR East rail lines
|
| regionServed |
northern Kantō urban area
ⓘ
linked to:
Northern Kantō urban area
|
| rollingStockUsed |
JR East 211 series EMU
ⓘ
JR East E231 series EMU ⓘ
linked to:
JR East E231-500 series EMU
JR East E233 series EMU ⓘ
linked to:
JR East E-series EMU
|
| serves |
Gunma Prefecture
ⓘ
Saitama Prefecture ⓘ Tochigi Prefecture NERFINISHED ⓘ |
| serviceType |
local trains
ⓘ
rapid trains ⓘ |
| startPoint | Maebashi Station NERFINISHED ⓘ |
| terminusStation |
Maebashi Station
NERFINISHED
ⓘ
Oyama Station NERFINISHED ⓘ |
| trackConfiguration | predominantly double 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: Ryomo Line Description of subject: The Ryomo Line is a regional railway line in Japan operated by JR East that connects Maebashi and Oyama, serving the northern Kanto region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.