Saikyō Line
E186303
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Saikyō Line canonical | 11 |
| Saikyo Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1195428 — 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: Saikyō Line Context triple: [Shibuya Station, servedByLine, Saikyō Line]
-
A.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
B.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
C.
Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
-
D.
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.
-
E.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
- 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: Saikyō Line Target entity description: The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
A.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
B.
Yokosuka Line
The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
-
C.
Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
-
D.
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.
-
E.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| connects |
Saitama Prefecture
NERFINISHED
ⓘ
central Tokyo ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareCardAccepted |
PASMO
ⓘ
Suica ⓘ |
| fareSystem | JR East fare system ⓘ |
| hasServicePattern | through-running to waterfront area via Rinkai Line ⓘ |
| hasThroughServiceWith |
Kawagoe Line
NERFINISHED
ⓘ
Rinkai Line NERFINISHED ⓘ |
| isKeyCommuterRouteFor |
Saitama Prefecture to central Tokyo
ⓘ
Tokyo metropolitan commuters ⓘ |
| lineType | heavy rail ⓘ |
| locatedIn |
Saitama Prefecture
NERFINISHED
ⓘ
Tokyo Prefecture ⓘ
surface form:
Tokyo Metropolis
|
| operator |
East Japan Railway Company
ⓘ
East Japan Railway Company ⓘ
surface form:
JR East
|
| owner | East Japan Railway Company ⓘ |
| partOfNetwork | JR East urban network ⓘ |
| primaryUse | commuter transport ⓘ |
| regionServed | Kantō region ⓘ |
| safetySystem |
ATC
ⓘ
ATS ⓘ |
| serves | Tokyo metropolitan area ⓘ |
| serviceType |
local service
ⓘ
rapid service ⓘ |
| status | in operation ⓘ |
| ticketing | Suica compatible ⓘ |
| trackGauge | 1,067 mm ⓘ |
| usesRollingStock |
E231 series EMU
ⓘ
E233 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: Saikyō Line Description of subject: The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Saikyo Line