Y Line
E360583
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Y Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3478606 — 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: Y Line Context triple: [Yotsubashi Line, hasAbbreviation, Y Line]
-
A.
H line
The H line is a route within Copenhagen’s S-train suburban rail network, serving as one of the system’s regular commuter lines.
-
B.
D Line
The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
-
C.
G line
The G line is a New York City Subway service that runs entirely in Brooklyn and Queens, connecting neighborhoods such as Park Slope without entering Manhattan.
-
D.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
E.
Gold Line
The Gold Line is a light rail service in the Sacramento area that connects key suburbs and destinations to the city’s downtown transit 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: Y Line Target entity description: Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
A.
H line
The H line is a route within Copenhagen’s S-train suburban rail network, serving as one of the system’s regular commuter lines.
-
B.
D Line
The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
-
C.
G line
The G line is a New York City Subway service that runs entirely in Brooklyn and Queens, connecting neighborhoods such as Park Slope without entering Manhattan.
-
D.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
E.
Gold Line
The Gold Line is a light rail service in the Sacramento area that connects key suburbs and destinations to the city’s downtown transit network.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Osaka Metro line
ⓘ
rapid transit line ⓘ subway line ⓘ |
| abbreviationOf | Osaka Metro Yotsubashi Line NERFINISHED ⓘ |
| cityServed | Osaka ⓘ |
| connectsWith |
Osaka Metro Chuo Line
NERFINISHED
ⓘ
Osaka Metro Midosuji Line NERFINISHED ⓘ Osaka Metro Sennichimae Line NERFINISHED ⓘ Osaka Metro Yotsubashi Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification |
750 V DC
ⓘ
third rail ⓘ |
| fareSystem | Osaka Metro fare system ⓘ |
| hasColor | dark blue ⓘ |
| hasLineCode | Y ⓘ |
| hasNativeNameLanguage | ja ⓘ |
| hasRollingStock |
Osaka Metro 21 series
ⓘ
Osaka Metro 23 series ⓘ |
| hasServiceType | rapid transit ⓘ |
| hasStation |
Daikokucho Station
NERFINISHED
ⓘ
Higobashi Station NERFINISHED ⓘ Nishi-Umeda Station ⓘ Suminoekoen Station NERFINISHED ⓘ Yotsubashi Station NERFINISHED ⓘ |
| hasTerminus |
Nishi-Umeda Station
ⓘ
Suminoekoen Station NERFINISHED ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| isPartOf | Osaka urban rail network ⓘ |
| locatedIn |
Japan
ⓘ
Osaka ⓘ Osaka Prefecture ⓘ |
| officialName | Osaka Metro Yotsubashi Line NERFINISHED ⓘ |
| opened | 1965 ⓘ |
| operator | Osaka Metro ⓘ |
| owner | Osaka Metro ⓘ |
| previousOperator |
Osaka Metro
ⓘ
surface form:
Osaka Municipal Transportation Bureau
|
| railwaySignalling | automatic train control ⓘ |
| serves | central Osaka ⓘ |
| transitSystem | Osaka Metro ⓘ |
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: Y Line Description of subject: Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.