Kosei Line
E416522
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kosei Line canonical | 15 |
| Biwa Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2284740 — 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: Kosei Line Context triple: [JR Kyoto Line, hasThroughServicesTo, Kosei Line]
-
A.
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.
-
B.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
C.
Takasaki Line
The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
-
D.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
E.
Fukutoshin Line
The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
- 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: Kosei Line Target entity description: The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
A.
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.
-
B.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
C.
Takasaki Line
The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
-
D.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
E.
Fukutoshin Line
The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connects |
Fukui Prefecture area
ⓘ
linked to:
Fukui Prefecture
Kyoto ⓘ Shiga Prefecture ⓘ |
| country | Japan ⓘ |
| electrification | AC 20 kV 60 Hz overhead catenary ⓘ |
| followsShoreOf | Lake Biwa ⓘ |
| formerOperator | Japanese National Railways ⓘ |
| isPartOf | conventional rail network of Japan ⓘ |
| locatedIn | Japan ⓘ |
| mainBodyOfWaterAlongRoute | Lake Biwa ⓘ |
| mainCityServed | Kyoto ⓘ |
| numberOfTracks | double track ⓘ |
| openingDate | 1974 ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| owner | West Japan Railway Company ⓘ |
| partOfNetwork | JR West Urban Network ⓘ |
| region | Kansai region ⓘ |
| runsAlong | western shore of Lake Biwa ⓘ |
| serves |
Fukui Prefecture
ⓘ
Kyoto Prefecture ⓘ Shiga Prefecture ⓘ |
| signallingSystem | automatic closed block ⓘ |
| status | in operation ⓘ |
| trackGauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| trainProtectionSystem |
ATS-P
ⓘ
ATS-SW ⓘ |
| usesRollingStockType | JR West suburban EMU trains ⓘ |
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: Kosei Line Description of subject: The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kosei Line