Busan Metro Line 4
E790611
Busan Metro Line 4 is an automated light metro line in Busan, South Korea, connecting several northeastern districts with the wider Busan Metro network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Busan Metro Line 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9083329 — 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: Busan Metro Line 4 Context triple: [Dongnae Station, servesLine, Busan Metro Line 4]
-
A.
Busan Metro Line 3
Busan Metro Line 3 is a rapid transit line in Busan, South Korea, running mostly on an elevated alignment and connecting key residential and commercial districts across the city.
-
B.
Busan Metro Line 2
Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
-
C.
Busan Metro Line 1
Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
-
D.
Daegu Metro Line 3
Daegu Metro Line 3 is a monorail rapid transit line in Daegu, South Korea, forming part of the city's urban rail network.
-
E.
Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
- 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: Busan Metro Line 4 Target entity description: Busan Metro Line 4 is an automated light metro line in Busan, South Korea, connecting several northeastern districts with the wider Busan Metro network.
-
A.
Busan Metro Line 3
Busan Metro Line 3 is a rapid transit line in Busan, South Korea, running mostly on an elevated alignment and connecting key residential and commercial districts across the city.
-
B.
Busan Metro Line 2
Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
-
C.
Busan Metro Line 1
Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
-
D.
Daegu Metro Line 3
Daegu Metro Line 3 is a monorail rapid transit line in Daegu, South Korea, forming part of the city's urban rail network.
-
E.
Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
automated guideway transit line
ⓘ
metro line ⓘ |
| automationLevel | driverless operation ⓘ |
| character |
elevated
ⓘ
underground ⓘ |
| connectsWith |
Busan Metro Line 1
NERFINISHED
ⓘ
Busan Metro Line 2 NERFINISHED ⓘ Busan Metro Line 3 NERFINISHED ⓘ |
| country | South Korea ⓘ |
| depot | Anpyeong Depot NERFINISHED ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | integrated with Busan Metro fare system ⓘ |
| hasPlatformScreenDoors | yes ⓘ |
| lineColor | blue ⓘ |
| locatedIn | Busan ⓘ |
| nativeName | 부산 도시철도 4호선 NERFINISHED ⓘ |
| nativeNameLanguage | ko ⓘ |
| numberOfStations | 14 ⓘ |
| openingDate | 2011-03-30 ⓘ |
| operator | Busan Transportation Corporation NERFINISHED ⓘ |
| owner | Busan Metropolitan City NERFINISHED ⓘ |
| rollingStock | Woojin Industrial Co. Ltd. rubber-tyred automated trains ⓘ |
| servesDistrict |
Dongnae District
NERFINISHED
ⓘ
Geumjeong District NERFINISHED ⓘ Gijang County NERFINISHED ⓘ Haeundae District NERFINISHED ⓘ |
| system | Busan Metro NERFINISHED ⓘ |
| terminus |
Anpyeong Station
NERFINISHED
ⓘ
Minam Station NERFINISHED ⓘ |
| trackGauge | standard 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: Busan Metro Line 4 Description of subject: Busan Metro Line 4 is an automated light metro line in Busan, South Korea, connecting several northeastern districts with the wider Busan Metro network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.