Tōkaidō Main Line (urban section)
E562685
The Tōkaidō Main Line (urban section) is a heavily used commuter rail corridor in the Osaka–Kobe–Kyoto metropolitan area, forming a key part of JR West’s high-frequency urban rail services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tōkaidō Main Line (urban section) canonical | 1 |
| Tōkaidō Main Line corridor between Osaka and Kobe | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5148858 — 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: Tōkaidō Main Line (urban section) Context triple: [JR West Urban Network, networkIncludesLine, Tōkaidō Main Line (urban section)]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Hibiya Line
The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
-
E.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
- 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: Tōkaidō Main Line (urban section) Target entity description: The Tōkaidō Main Line (urban section) is a heavily used commuter rail corridor in the Osaka–Kobe–Kyoto metropolitan area, forming a key part of JR West’s high-frequency urban rail services.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Hibiya Line
The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
-
E.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line section ⓘ |
| connectedTo | Shinkansen stations in the region ⓘ |
| connects |
Kobe
ⓘ
linked to:
Kobe, Hyogo, Japan
Kyoto ⓘ Osaka ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareSystem | JR West fare system ⓘ |
| formsCorridorWith |
JR Kobe Line
ⓘ
JR Kyoto Line ⓘ JR Osaka Loop Line ⓘ
linked to:
Osaka Loop Line
JR Takarazuka Line ⓘ JR Tozai Line ⓘ
linked to:
JR Tōzai Line
|
| formsKeyPartOf | JR West high-frequency urban rail services ⓘ |
| hasServicePattern |
local trains
ⓘ
rapid trains ⓘ special rapid trains ⓘ |
| hasTraffic | passenger only ⓘ |
| infrastructureType | heavy rail ⓘ |
| integratedWith | other JR West urban lines in Osaka area ⓘ |
| locatedIn |
Hyōgo Prefecture
ⓘ
linked to:
Hyogo Prefecture
Kyoto Prefecture ⓘ Osaka Prefecture ⓘ |
| networkRole | intercity and suburban connector in Kansai ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| owner | West Japan Railway Company ⓘ |
| partOf | Tōkaidō Main Line ⓘ |
| partOfNetwork | JR West Urban Network ⓘ |
| peakUsage | commuter rush hours ⓘ |
| primaryFunction | urban commuter transport ⓘ |
| railwayGauge | 1,067 mm ⓘ |
| regionServed | Kansai region ⓘ |
| role | backbone of JR West Urban Network in Osaka–Kobe–Kyoto area ⓘ |
| serves |
Osaka–Kobe–Kyoto metropolitan area
ⓘ
linked to:
Osaka–Kobe metropolitan area
|
| serviceType |
commuter rail
ⓘ
interurban rail ⓘ |
| ticketing |
IC card compatible
ⓘ
ICOCA accepted ⓘ |
| trackConfiguration | double track ⓘ |
| usage | heavily used commuter corridor ⓘ |
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: Tōkaidō Main Line (urban section) Description of subject: The Tōkaidō Main Line (urban section) is a heavily used commuter rail corridor in the Osaka–Kobe–Kyoto metropolitan area, forming a key part of JR West’s high-frequency urban rail services.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tōkaidō Main Line (urban section)