Sanyō Main Line (urban section)
E555461
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sanyō Main Line (urban section) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5148857 — 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: Sanyō Main Line (urban section) Context triple: [JR West Urban Network, networkIncludesLine, Sanyō Main 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.
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B.
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.
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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.
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D.
Nankai Main Line
The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
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E.
Saikyō Line
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.
- 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: Sanyō Main Line (urban section) Target entity description: 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.
-
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.
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.
-
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.
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D.
Nankai Main Line
The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
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E.
Saikyō Line
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail corridor
ⓘ
railway line section ⓘ |
| category |
JR West Urban Network lines
NERFINISHED
ⓘ
rail transport in Hyōgo Prefecture ⓘ rail transport in Osaka Prefecture ⓘ |
| connects |
Himeji area
ⓘ
Kobe area NERFINISHED ⓘ Osaka area NERFINISHED ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| locatedIn |
Hyōgo Prefecture
NERFINISHED
ⓘ
Japan ⓘ Kansai region ⓘ Osaka Prefecture ⓘ Osaka–Kobe–Himeji metropolitan area NERFINISHED ⓘ |
| network | JR West Urban Network NERFINISHED ⓘ |
| operator |
JR West
NERFINISHED
ⓘ
West Japan Railway Company NERFINISHED ⓘ |
| owner | West Japan Railway Company NERFINISHED ⓘ |
| partOf |
Sanyō Main Line
NERFINISHED
ⓘ
Tōkaidō–Sanyō Main Line corridor NERFINISHED ⓘ |
| primaryUse |
commuter traffic
ⓘ
intercity passenger traffic ⓘ |
| railwaySignalling | automatic block system ⓘ |
| servicePattern |
local trains
ⓘ
rapid trains ⓘ special rapid trains ⓘ |
| trackGauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| traffic | heavily used ⓘ |
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: Sanyō Main Line (urban section) Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.