Seoul Subway Line 2
E486432
Seoul Subway Line 2 is a major circular metro line in Seoul’s subway system, known for serving key commercial and business districts across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Seoul Subway Line 2 canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T4839146 — 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: Seoul Subway Line 2 Context triple: [Gangnam District, partOfMetropolitanLine, Seoul Subway Line 2]
-
A.
Seoul Subway Line 5
Seoul Subway Line 5 is a major east–west rapid transit line in Seoul’s subway system that links key districts and facilities, including Gimpo International Airport, across the city.
-
B.
Seoul Subway Line 9
Seoul Subway Line 9 is a major east–west rapid transit line in Seoul known for its express services that connect key business districts and residential areas across the city.
-
C.
Shinbundang Line
The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
-
D.
Suin–Bundang Line
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.
-
E.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
- 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: Seoul Subway Line 2 Target entity description: Seoul Subway Line 2 is a major circular metro line in Seoul’s subway system, known for serving key commercial and business districts across the city.
-
A.
Seoul Subway Line 5
Seoul Subway Line 5 is a major east–west rapid transit line in Seoul’s subway system that links key districts and facilities, including Gimpo International Airport, across the city.
-
B.
Seoul Subway Line 9
Seoul Subway Line 9 is a major east–west rapid transit line in Seoul known for its express services that connect key business districts and residential areas across the city.
-
C.
Shinbundang Line
The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
-
D.
Suin–Bundang Line
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.
-
E.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ subway line ⓘ |
| character |
elevated
ⓘ
underground ⓘ |
| connectsWith |
AREX
NERFINISHED
ⓘ
Bundang Line NERFINISHED ⓘ Gyeongui–Jungang Line NERFINISHED ⓘ Seoul Subway Line 1 NERFINISHED ⓘ Seoul Subway Line 3 NERFINISHED ⓘ Seoul Subway Line 4 NERFINISHED ⓘ Seoul Subway Line 5 NERFINISHED ⓘ Seoul Subway Line 6 NERFINISHED ⓘ Seoul Subway Line 7 NERFINISHED ⓘ Seoul Subway Line 8 NERFINISHED ⓘ Shinbundang Line NERFINISHED ⓘ |
| country | South Korea ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| hasBranch |
Seongsu Branch Line
NERFINISHED
ⓘ
Sinjeong Branch Line NERFINISHED ⓘ |
| lineColor | green ⓘ |
| lineNumber | 2 ⓘ |
| locatedIn | Seoul NERFINISHED ⓘ |
| notableStation |
Gangnam Station
NERFINISHED
ⓘ
Hongik University Station NERFINISHED ⓘ Jamsil Station NERFINISHED ⓘ Samsung Station NERFINISHED ⓘ Seoul City Hall Station NERFINISHED ⓘ Yeouido Station NERFINISHED ⓘ |
| openingDate | 1980-10-31 ⓘ |
| operator | Seoul Metro NERFINISHED ⓘ |
| partOf | Seoul Metropolitan Subway NERFINISHED ⓘ |
| passesThrough |
Dongdaemun District
NERFINISHED
ⓘ
Gangnam District NERFINISHED ⓘ Guro District NERFINISHED ⓘ Gwangjin District NERFINISHED ⓘ Jung District NERFINISHED ⓘ Mapo District NERFINISHED ⓘ Nowon District NERFINISHED ⓘ Seocho District NERFINISHED ⓘ Songpa District NERFINISHED ⓘ Yeongdeungpo District NERFINISHED ⓘ |
| primaryFunction | serves key commercial and business districts in Seoul ⓘ |
| ridership | one of the busiest lines in the Seoul Metropolitan Subway ⓘ |
| servesArea |
COEX area
NERFINISHED
ⓘ
City Hall area ⓘ Gangnam Station area ⓘ Hongdae area NERFINISHED ⓘ Jamsil commercial district NERFINISHED ⓘ Yeouido business district NERFINISHED ⓘ |
| servicePattern |
circular line
ⓘ
loop line ⓘ |
| systemLength | approximately 60 km ⓘ |
| terminus |
Seongsu (branch)
NERFINISHED
ⓘ
Sinjeong (branch) 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: Seoul Subway Line 2 Description of subject: Seoul Subway Line 2 is a major circular metro line in Seoul’s subway system, known for serving key commercial and business districts across the city.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.