Ryōmō Line (urban section)
E564016
The Ryōmō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving as part of its metropolitan urban rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ryōmō Line (urban section) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5935539 — 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: Ryōmō Line (urban section) Context triple: [JR East urban network, hasLine, Ryōmō Line (urban section)]
-
A.
Fukuchiyama Line urban section
The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
-
B.
Kawagoe Line (urban section)
The Kawagoe Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, linking suburban communities with major urban hubs as part of the company’s metropolitan network.
-
C.
Sanyō Main Line (urban section)
The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
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D.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
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E.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
- 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: Ryōmō Line (urban section) Target entity description: The Ryōmō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving as part of its metropolitan urban rail network.
-
A.
Fukuchiyama Line urban section
The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
-
B.
Kawagoe Line (urban section)
The Kawagoe Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, linking suburban communities with major urban hubs as part of the company’s metropolitan network.
-
C.
Sanyō Main Line (urban section)
The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
-
D.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
-
E.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway corridor ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| electrified | true ⓘ |
| fareSystem | JR East fare system ⓘ |
| locatedIn |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
|
| network |
JR East network
ⓘ
linked to:
JR East urban network
|
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| partOf |
Greater Tokyo commuter rail network
ⓘ
linked to:
JR East urban network
Ryōmō Line ⓘ |
| primaryUse | commuter transport ⓘ |
| railwayGauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| railwaySystem |
JR East metropolitan urban rail network
ⓘ
linked to:
JR East urban network
|
| regionServed | Kantō region ⓘ |
| serviceType |
commuter rail
ⓘ
urban rail ⓘ |
| ticketingSystem | Suica-compatible ⓘ |
| trackType | heavy rail ⓘ |
| traffic | passenger ⓘ |
| usesRollingStock |
JR East EMU trains
ⓘ
linked to:
JR East E231-500 series EMU
|
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: Ryōmō Line (urban section) Description of subject: The Ryōmō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving as part of its metropolitan urban rail network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.