Suin–Bundang Line
E476587
The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Bundang Line | 4 |
| Suin–Bundang Line canonical | 4 |
| Seoul Metropolitan Subway Line Suin–Bundang Line | 1 |
| Suin–Bundang Line (nearby access) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4749923 — 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: Suin–Bundang Line Context triple: [Seoul Metropolitan Subway, hasPart, Suin–Bundang Line]
-
A.
Gyeongbu Line
The Gyeongbu Line is South Korea’s principal railway corridor, connecting the capital Seoul with the major port city of Busan and serving as the country’s busiest and most important rail route.
-
B.
Gyeongui–Jungang Line
The Gyeongui–Jungang Line is a major commuter rail line in the Seoul metropolitan area that connects central Seoul with its northwestern and eastern suburbs.
-
C.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
D.
Incheon Subway
Incheon Subway is the urban rapid transit system serving the city of Incheon, South Korea, connecting major districts and linking with the Seoul Metropolitan Subway network.
-
E.
Daejeon Metro
Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
- 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: Suin–Bundang Line Target entity description: The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
-
A.
Gyeongbu Line
The Gyeongbu Line is South Korea’s principal railway corridor, connecting the capital Seoul with the major port city of Busan and serving as the country’s busiest and most important rail route.
-
B.
Gyeongui–Jungang Line
The Gyeongui–Jungang Line is a major commuter rail line in the Seoul metropolitan area that connects central Seoul with its northwestern and eastern suburbs.
-
C.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
D.
Incheon Subway
Incheon Subway is the urban rapid transit system serving the city of Incheon, South Korea, connecting major districts and linking with the Seoul Metropolitan Subway network.
-
E.
Daejeon Metro
Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
metro line ⓘ railway line in South Korea ⓘ |
| character |
at-grade
ⓘ
elevated ⓘ underground ⓘ |
| color | yellow ⓘ |
| connects |
Incheon
NERFINISHED
ⓘ
Seongnam NERFINISHED ⓘ Seoul NERFINISHED ⓘ Suwon NERFINISHED ⓘ Yongin NERFINISHED ⓘ |
| connectsToLine |
Gyeongbu Line
NERFINISHED
ⓘ
Gyeonggang Line NERFINISHED ⓘ Incheon Subway Line 1 NERFINISHED ⓘ Seoul Subway Line 1 NERFINISHED ⓘ Seoul Subway Line 2 NERFINISHED ⓘ Seoul Subway Line 3 NERFINISHED ⓘ Seoul Subway Line 4 NERFINISHED ⓘ Shinbundang Line NERFINISHED ⓘ |
| electrification | 25 kV AC 60 Hz overhead line ⓘ |
| formedByMergerOf |
Bundang Line
NERFINISHED
ⓘ
Suin Line NERFINISHED ⓘ |
| hasSection |
Bundang Line
NERFINISHED
ⓘ
Suin Line NERFINISHED ⓘ |
| hasServicePattern |
all-stop trains
ⓘ
express trains ⓘ |
| lineNumber | Suin–Bundang Line NERFINISHED ⓘ |
| locatedIn |
Seoul metropolitan area
NERFINISHED
ⓘ
South Korea NERFINISHED ⓘ |
| openingDateAsThroughLine | 2020-09-12 ⓘ |
| operator | Korail NERFINISHED ⓘ |
| originalBundangLineOpening | 1994-09-01 ⓘ |
| originalSuinLineReopening | 2012-06-30 ⓘ |
| owner | Korea Rail Network Authority NERFINISHED ⓘ |
| partOf | Seoul Metropolitan Subway NERFINISHED ⓘ |
| primaryFunction | connects southeastern Seoul with surrounding cities ⓘ |
| rollingStock |
Korail Class 351000 (second generation)
NERFINISHED
ⓘ
Korail Class 351000 EMU NERFINISHED ⓘ |
| servesCity |
Incheon
NERFINISHED
ⓘ
Seongnam NERFINISHED ⓘ Seoul NERFINISHED ⓘ Suwon NERFINISHED ⓘ Yongin NERFINISHED ⓘ |
| serviceType |
commuter rail
ⓘ
rapid transit ⓘ |
| system | Seoul Metropolitan Subway NERFINISHED ⓘ |
| terminus |
Incheon Station
NERFINISHED
ⓘ
Suwon Station NERFINISHED ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| usesSignalingSystem |
ATS
NERFINISHED
ⓘ
automatic train control ⓘ |
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: Suin–Bundang Line Description of subject: The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bundang Line
this entity surface form:
Seoul Metropolitan Subway Line Suin–Bundang Line
this entity surface form:
Suin–Bundang Line (nearby access)
this entity surface form:
Bundang Line
this entity surface form:
Bundang Line
this entity surface form:
Bundang Line