Tsuyama Line
E626087
The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tsuyama Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4083121 — 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: Tsuyama Line Context triple: [Tsuyama, Japan, servedByRailwayLine, Tsuyama Line]
-
A.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
B.
Fukuchiyama Line
The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
-
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.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail 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: Tsuyama Line Target entity description: The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
-
A.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
-
B.
Fukuchiyama Line
The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
-
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.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connectsRuralCommunities | true ⓘ |
| connectsToCity | Tsuyama NERFINISHED ⓘ |
| connectsWith |
Okayama
NERFINISHED
ⓘ
Tsuyama NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | none ⓘ |
| hasLocale |
Okayama Prefecture
NERFINISHED
ⓘ
city of Tsuyama NERFINISHED ⓘ |
| hasRailwaySignalling | automatic block or simplified signalling (non-electrified rural line) ⓘ |
| lineType | conventional railway line ⓘ |
| locatedInAdministrativeTerritorialEntity | Okayama Prefecture NERFINISHED ⓘ |
| locatedInCountry | Japan NERFINISHED ⓘ |
| numberOfTracks | single track ⓘ |
| operator |
JR West
NERFINISHED
ⓘ
West Japan Railway Company NERFINISHED ⓘ |
| owner | West Japan Railway Company NERFINISHED ⓘ |
| partOfNetwork | JR West urban and regional network NERFINISHED ⓘ |
| primaryUse | passenger transport ⓘ |
| railGauge | 1,067 mm ⓘ |
| regionServed | Chūgoku region NERFINISHED ⓘ |
| serves | rural communities in Okayama Prefecture ⓘ |
| serviceType |
local trains
ⓘ
regional rail ⓘ |
| status | in operation ⓘ |
| terminus |
Okayama Station
NERFINISHED
ⓘ
Tsuyama Station NERFINISHED ⓘ |
| trackGauge | Cape gauge ⓘ |
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: Tsuyama Line Description of subject: The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.